SSOC

Japanese / English

 

Professor, Takeaki Iwamoto

 

 

Date of Birth

November 25, 1970

 

Education

Ph.D Graduate School of Science, Tohoku University (1998) (Supervisor Prof. Mitsuo Kira)

MS. Graduate School of Science, Tohoku University (1995) (Supervisor Prof. Hideki Sakurai)

BS. Faculty of Science, Tohoku University (1993) (Supervisor Prof. Hideki Sakurai)

 

Research Experiences

2009-present: Professor, Graduate School of Science, Tohoku University

2006-2007: Visiting Scholar, Department of Chemistry, University of California, Berkeley (Prof. T. Don Tilley)

2004-2009: Associate Professor, Research and Analytical Center, Graduate School of Science, Tohoku University

2002-2006: Researcher, PRESTO, Japan Science and Technology Agency

1998-2004: Research Assistant, Graduate School of Science, Tohoku University

 

Research Interests

Organosilicon Chemistry, Organometallic Chemistry

 

Awards

Nozoe Memorial Award (2010)

The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, The Young Scientists' Prize (2009)

The Chemical Society of Japan Award for Young Chemists (2004)

Award for Encouragement of Research, The Society of Silicon Chemistry, Japan (2002)

Inoue Research Award for Young Scientists (1999)

 

 

 

 

167. Transformation of a Tetrasila-1,3-dienide to Its Valence Isomers

Takeaki Iwamoto, Tomoki Ishikawa, Naohiko Akasaka, Shintaro Ishida, Organometallics, 2025, accepted. (DOI: 10.1021/acs.organomet.5c00140).

 

166. Cyclic (Alkyl)(amino)silylene Aluminum(III) Iodide Complex and Its Nucleophile Dependent Reactivities

Taichi Koike, Atsuhiro Sato, Naoki Sakurata, Takeaki Iwamoto, Organometallics, 2025, 44, 1013-1017. (DOI: 10.1021/acs.organomet.5c00058).

 

165. A Stable π-Expanded o-Quinodimethane via the Photochemical Dearomative Cycloaddition of Corannulene with an Isolable Dialkylsilylene

Shintaro Ishida, Maiko Mori, Shunya Honda, Takeaki Iwamoto, Chemistry 2025, 7, 37. (Special issue: Open-Shell Systems — a Memorial Issue Dedicated to Professor Masayoshi Nakano) (DOI: 10.3390/chemistry7020037).

 

164. Synthesis of a dilithiobutadiene bearing extremely bulky silyl substituents and its reactivity toward functionalized silanes

Katharina Münster, Shunsuke Kudo, Takuya Kuwabara, Eriko Shimamura, Shunsuke Furukawa, YusukeYoshida, Shintaro Ishida, Takeaki Iwamoto, Kazuki Tanifuji, Yasuhiro Ohki, Mao Minoura, Masaichi Saito, Dalton Trans. 2025, 54, 4030-4038. (DOI: 10.1039/d4dt03537b).

 

163. Sulfur and Oxygen Transfer Reactions with Simultaneous NHC-Coordination from Cyclic Thioureas and Ureas to a Stable Silylene

Shintaro Ishida, Takuto Toyooka, Tomofumi Tamura, Tetsuro Abe, Naohiko Akasaka, Takeaki Iwamoto, Chem. Eur. J. 2024, e202403847. (DOI: 10.1002/chem.202403847)

 

162. Isolable Si=B Analogue of a Vinyl Halide: A Building Block for Facile Access toward Silicon-Boron Multiple Bonded Species

Taichi Koike, Naoki Sakurata, Shintaro Ishida, Takeaki Iwamoto, Angew. Chem. Int. Ed. 2024, e202411283. (DOI:10.1002/anie.202411283)

 

161. Metal-catalyzed valence isomerization of a methylene(thioxo)phosphorane to a thiaphosphirane

Shintaro Ishida, Yusuke Yoshida, Takeaki Iwamoto, Chem. Commun. 2024, 60, 8288. (DOI:10.1039/d4cc02147a)

 

160. Selective Synthesis of New Hexaalkylbicyclo[1.1.1]pentasilanes with Improved Solubility

Yukihiro Morino, Shintaro Ishida, Takeaki Iwamoto, Z. Anorg. Allg. Chem. 2024, e202400056. (DOI:10.1002/zaac.202400056)

 

159. An Isolable THF-coordinated Dialkylgermanone

Kazuma Oshima, Ryo Kobayashi, Kengo Sakamoto, Kenji Yoza, Shintaro Ishida, Takeaki Iwamoto, Chem. Asian J. 2024, 19, e202400111. (DOI:10.1002/asia.202400111)

 

158. Synthesis of Phosphinoboranes via Coordination-Induced Bromine Abstraction of an Isolable Phosphinyl Radical with Bromoboranes

Shintaro Ishida, Yasuhiro Katayama , Fumiya Hirakawa , Takeaki Iwamoto, Synthesis 2024, 56, A-F.(DOI:10.1055/a-2270-0665)

 

157. Coordination-Induced Migration of Aryl Groups in the Reactions of a Dialkylsilanone with a Series of Triarylboranes

Shintaro Ishida, Kengo Sakamoto, Ryo Kobayashi, Takeaki Iwamoto, Chem. Asian J. 2023, 18, e202300307. (DOI:10.1002/asia.202300307)

 

156. Cyclobutenylidene: A Multifaceted Two-Coordinate Carbon Species Obtained via Skeletal Editing of a Cyclopropenylidene

Taichi Koike, Takeaki Iwamoto, J. Am. Chem. Soc. 2023, 145, 9264–9272. (DOI:10.1021/jacs.3c01906)

 

155. Silacyclopropenylsilylene-NHC Complex: Synthesis by (1+2) Retro-cycloaddition, Dynamic Behavior in Solution, and Ring-expansion Reaction

Daichi Yanagisawa, Shintaro Ishida, Takeaki Iwamoto, Chem. Lett. 2023, 52, 124—127. (DOI:10.1246/cl.220528)

 

154. Frustrated Lewis pair-ligated tetrylenes

Alvaro A. Omaña, Brandon L. Frenette, Eike Dornsiepen, Ryo Kobayashi, Michael J. Ferguson, Takeaki Iwamoto, Eric Rivard, Dalton Trans. 2023, 52, 774-786. (DOI:10.1039/D2DT03807B)

 

153. Twisted push-pull disilenes obtained by direct 1,2-hydro/chloroborylation of a silylone

Taichi Koike, Takeaki Iwamoto, Chem. Commun. 2022, 58, 8061—8064.(DOI: 10.1039/D2CC02160A)

 

152. Dearomative Cycloaddition of an Isolable Dialkylsilylene with Diaryl Ketones

Kenya Uchida, Shintaro Ishida, Takeaki Iwamoto, Eur. J. Org. Chem.,2022, e202200522. (DOI:10.1002/ejoc.202200522)

 

151. Structural Estimation and Hazard Evaluation of Potentially Explosive Residual Silanes Generated in Semiconductor Manufacturing Processes

Kenya Uchida, Ikuo Uematsu, Takeaki Iwamoto, Eunsang Kwon, Shinichiro Yoshida, Ryu Kato, Hiroyuki Fukui, Ind. Eng. Chem. Res., 2022, 61 (19), 6772-6780. (DOI:10.1021/acs.iecr.1c05007)

 

150. Silyl(Silylene) Coinage Metal Complexes Obtained from Isolable Cyclic Alkylsilylenes

Shunya Abe, Yuichiro Inagawa, Ryo Kobayashi, Shintaro Ishida, Takeaki Iwamoto, Organometallics,2022, 41(7), 874-882. (DOI:10.1021/acs.organomet.2c00040)

 

149. Synthesis, Structure and Electronic Properties of a Stable π-Type 3-Electron-2-Center-Bonded Species: A Silicon Analogue of a Bicyclo[1.1.0]butane Radical Anion

Taichi Koike, Raiki Osawa, Shintaro Ishida, Takeaki Iwamoto, Angew. Chem. Int. Ed.,2022, e202117584. (DOI:10.1002/anie.202117584) (Selected as "Hot Paper")

 

148. A Thermally Robust Cyclic Dialkylsilylene

Takashi Abe, Shintaro Ishida, Takeaki Iwamoto, Bull. Chem. Soc. Jpn.,2022, 95(1), 175-177. (DOI:10.1246/bcsj.20210399)

 

147. Skeletal isomerism within 1,3-disilabicyclo[1.1.0]butane and 2,3-disilabuta-1,3-diene derivatives

Takeaki Iwamoto, Akifumi Kobayashi, Naohiko Akasaka, Shintaro Ishida, Mendeleev Commun.,2022, 32, 39-41. (DOI:10.1016/j.mencom.2022.01.012)

 

146. Reduction of a Bicyclo[1.1.0]tetrasil-1(3)-ene with LiAlH4 Leading to an isolable Cyclotrisilenide

Takumi Nukazawa, Takeaki Iwamoto, Organometallics,2021, 40, 3511-3515.(DOI: 10.1021/acs.organomet.1c00521)

 

145. An Isolable 2,4-Diaminotetrasilabicyclo[1.1.0]but-1(3)-ene: Effects of Amino Groups at the Bridge Positions

Taichi Koike, Shunya Honda, Takeaki Iwamoto, Chem. Lett.,2022, 51(1), 77-80.(DOI: 10.1246/cl.210595)

 

144. π-Conjugated species with an unsupported Si-Si π-bond obtained from direct π-extension

Takumi Nukazawa, Takeaki Iwamoto, Chem. Commun.,2021, 57, 9692-9695.(DOI: 10.1039/D1CC04332C)

 

143. Conformationally Switchable Silylone: Electron Redistribution Accompanied by Ligand Reorientation around a Monatomic Silicon

Taichi Koike, Takumi Nukazawa, Takeaki Iwamoto, J. Am. Chem. Soc., 2021, 143, 14332-14341. (DOI: 10.1021/jacs.1c06654)

 

142. Rapid and Mild Synthesis of an NHC-Coordinated Bis(trimethylsilyl)silylene via Elimination of Halotrimethylsilane

Hayato Sasaki, Yuki Yokouchi, Takumi Nukazawa, Takeaki Iwamoto, Organometallics,2021, 40, 2415-2419.(DOI: 10.1021/acs.organomet.1c00380)

 

141. Lithiated 1,3-Disilabicyclo[1.1.0]butanes via Selective Cleavage of Exocyclic Si-Si Bonds on Bridgehead Silicon Atoms

Takeaki Iwamoto, Dongzhu Yin, Akifumi Kobayashi, Makoto Tamura, Daiki Motomatsu, Naohiko Akasaka, Yuki Yokouchi, Shintaro Ishida, Mitsuo Kira, Organometallics, 2021, 40, 2557-2566.(DOI: 10.1021/acs.organomet.1c00284)

 

140. Synthetic Access to Pentacene-Silylene Adducts via Dehydrogenative Silylation of a 5,14-Dihydropentacene with a Stable Silylene

Taichi Koike, Takeaki Iwamoto, Eur. J. Org. Chem., 2021, 2219-2222. (DOI: 10.1002/ejoc.202100296)

 

139. Synthesis of an NHC-Coordinated Dialkyldisilavinylidene and its Oxidation Providing a Silicon Analog of an Acetolactone

Ryo Kobayashi, Shintaro Ishida, Takeaki Iwamoto, Organometallics, 2021, 40, 843-847. (DOI: 10.1021/acs.organomet.1c00130)

 

138. Dialkylboryl-Substituted Cyclic Disilenes Synthesized by Desilylation-Borylation of Trimethylsilyl-Substituted Disilenes

Kaho Tanaka, Naohiko Akasaka, Tomoyuki Kosai, Shunya Honda, Yuya Ushijima, Shintaro Ishida, Takeaki Iwamoto, Molecules, 2021, 26, 1632.(DOI: 10.3390/molecules26061632)

 

137. A Spiropentasiladiene Radical Cation: Spin and Positive Charge Delocalization across Two Perpendicular Si=Si Bonds and UV-vis-NIR Absorption in the IR-B Region

Shunya Honda, Ryutaro Sugawara, Shintaro Ishida, Takeaki Iwamoto, J. Am. Chem. Soc., 2021, 143, 2649-2653. (DOI: 10.1021/jacs.0c12426)

 

136. An Isolable Bromosilene: Synthesis, Structure, and Substitution Reactions

Shunya Honda, Yushi Kato, Shintaro Ishida, Takeaki Iwamoto, Chem. Lett., 2021, 50, 866-869.(DOI: 10.1246/cl.200968)

 

135. Cleavage of C-O and C-H bonds in ethers by a genuine Si=O bond

Ryo Kobayashi, Shintaro Ishida, Takeaki Iwamoto, Dalton. Trans., 2021, 50, 1413-1421. (DOI: 10.1039/D0DT04240D)

 

134. Naphtho- and anthra-disilacyclobutadienes

Shintaro Ishida, Shohei Sugawara, Shunya Honda, Takeaki Iwamoto, Chem. Commun., 2020, 56, 15072-15075. (DOI: 10.1039/D0CC06603F)

 

133. High Performance Global Exploration of Isomers and Isomerization Channels on Quantum Chemical Potential Energy Surface of H5C2NO2

Koichi Ohno, Naoki Kishimoto, Takeaki Iwamoto, Hiroko Satoh, Hiromasa Watanabe, J. Comput. Chem., 2021, 42, 192-204. (DOI: 10.1002/jcc.26446)

 

132. Synthesis and Reduction of A Cyclic (Alkyl)(amino)bromoborane to Generate A Thermally Labile Cyclic (Alkyl)(amino)boryl Anion

Haruki Kisu, Tomoyuki Kosai, Takeaki Iwamoto, Makoto Yamashita, Chem. Lett., 2021, 50, 293-296. (DOI: 10.1246/cl.200749)

 

131. Interconversion between a planar

1,3-dichlorobicyclo[1.1.0]tetrasilane and a (chloro)(chlorosilyl)cyclotrisilene

Takumi Nukazawa, Takeaki Iwamoto, Dalton Trans., 2020, 49, 16728-16735. (DOI: 10.1039/D0DT03408H)

 

130. Frustrated Lewis Pair Chelation as a Vehicle for Low Temperature Semiconductor Element and Polymer Deposition

Alvaro Omaña, Rachel Green, Ryo Kobayashi, Yingjie He, Evan Antoniuk, Michael Ferguson, Yuqiao Zhou, Jonathan Veinot, Takeaki Iwamoto, Alex Brown, Eric Rivard, Angew. Chem. Int. Ed., 2021, 60, 228-231. (DOI: 10.1002/anie.202012218)

 

129. Intermolecular C-H Activation at the Allylic/Benzylic and Homoallylic/Homobenzylic Positions of Cyclic Hydrocarbons by a Stable Divalent Silicon Species

Taichi Koike, Tomoyuki Kosai, Takeaki Iwamoto, Chem. Eur. J., 2021, 27, 724-734. (DOI: 10.1002/chem.202003541)

 

128. One-Pot Condensation of a Bicyclo[1.1.1]pentasilane through Elimination of Iodotrimethylsilane Assisted by a Lewis Base

Yuki Yokouchi, Takeaki Iwamoto, Organometallics., 2020, 39, 3301-3305. (DOI: 10.1021/acs.organomet.0c00514)

 

127. A Six-coordinate Silicon Dihydride Embedded in a Porphyrin: Enhanced Hydride-donor Properties and the Catalyst-free Hydrosilylation of CO2

Shintaro Ishida, Takuroh Hatakeyama, Takuya Nomura, Maiko Matsumoto, Kimio Yoshimura, Soichiro Kyushin, Takeaki Iwamoto, Chem. Eur. J., 2020, 26, 15811-15815. (DOI: 10.1002/chem.202002587)

 

126. Trialkylphosphines Having a Bulky Phosphacyclopentane Backbone: Structural and Redox Properties Depending on the Exocyclic Alkyl Groups and EPR Observation of a Persistent Trialkylphosphine Radical Cation

Fumiya Hirakawa, Hiroshi Nakagawa, Shunya Honda, Shintaro Ishida, Takeaki Iwamoto, J. Org. Chem., 2020, 85, 14634-14642. (DOI: 10.1021/acs.joc.0c01393)

 

125. Synthesis of Ni(dvtms) and Ni(CO)3 Complexes Ligated by an Isolable Two-coordinate Cyclic Alkylsilylene

Shunya Abe, Tomoyuki Kosai, Tomohiro Iimura, Takeaki Iwamoto, Eur. J. Inorg. Chem., 2020, 2651-2657. (DOI: 10.1002/ejic.202000360)

 

124. An Isolable Tetrasilicon Analogue of a Planar Bicyclo[1.1.0]butane with π-Type Single-Bonding Character

Takumi Nukazawa, Takeaki Iwamoto, J. Am. Chem. Soc. 2020, 142, 9920-9924. (DOI: 10.1021/jacs.0c03874)

 

123. Quantum chemical exploration of polymerized forms of polycyclic aromatic hydrocarbons: D6h tetramer and polymer of coronene

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Chem. Phys. Lett., 2020, 747, 137366. (DOI: 10.1016/j.cplett.2020.137366)

 

122. [1+2] Cycloaddition of a Cyclic (Alkyl)(amino)silylene and a Disilyne Providing a 3-Aminocyclotrisilene

Taichi Koike, Shunya Honda, Shintaro Ishida, Takeaki Iwamoto, Organometallics, 2020, 39, 4149-4152. (DOI: 10.1021/acs.organomet.9b00828)

 

121.Switchable Dual Bonding Nature in Silabicyclo[1.1.0]butanes that Exhibit Bond Stretch Isomerism

Siwat Chinaroj, Takeaki Iwamoto, J. Phys. Org. Chem., 2020, 33, 4019-4028. (DOI: 10.1002/poc.4019)

 

120.Structures and Properties of Phenylene-bridged 1,3-Diaza-2-silole and Related 2H-Azasilirenes Obtained by the Reactions of a Dialkylsilylene with Arylnitriles

Shintaro Ishida, Kenya Uchida, Maiko Mori, Takeaki Iwamoto, Eur. J. Inorg. Chem., 2019,58(13), 3366-3372. (DOI: 10.1002/ejic.201900590)

 

119.Synthesis and Thermal Reactions of a Spiro-Type Cyclotrisilene Obtained from the Reaction between a Disilenide and a Base Adduct of a Bromosilylene

Tomoyuki Kosai, Shogo Nishimura, Naoki Hayakawa, Tsukasa Matsuo, Takeaki Iwamoto, Chem. Lett., 2019, 48, 1168-1170.(DOI: 10.1246/cl.190438)

 

118.An Isolable Silicon Analogue of a Ketone that Contains an Unperturbed Si=O Double Bond

Ryo Kobayashi, Shintaro Ishida, Takeaki, Iwamoto, Angew. Chem. int. ed., 2019,58(28), 9425-9428. (Selected as a Very Important Paper (VIP) and a cover picture. (DOI: 10.1002/anie.201905198)

 

117.Reactions of a tetrasilabicyclo[1.1.0]but-1(3)-ene with carbon tetrachloride and methanol

Takumi Nukazawa, Tomoyuki Kosai, Shunya Honda, Shintaro Ishida, Takeaki Iwamoto, Dalton Trans., 2019, 48, 10874-10880.(DOI: 10.1039/C9DT01627A)

 

116.Virtual Reaction Condition Optimization based on Machine Learning for a Small Number of Experiments in High-dimensional Continuous and Discrete Variables

Mikito Fujinami, Junji Seino, Takumi Nukazawa, Shintaro Ishida, Takeaki Iwamoto, Hiromi Nakai, Chem. Lett., 2019, 48, 961-964. (DOI: 10.1246/cl.190267)

 

115.1,4-Dehydrogenation with a Two-Coordinate Cyclic (Alkyl)(amino)silylene

Taichi Koike, Tomoyuki Kosai, Takeaki Iwamoto, Chem. Eur. J., 2019, 25, 9295-9302. (DOI: 10.1002/chem.201901407)

 

114.A Tetrasilicon Analogue of Bicyclo[1.1.0]but-1(3)-ene Containing a Si=Si Double Bond with an Inverted Geometry

Takeaki Iwamoto, Takashi Abe, Kunihisa Sugimoto, Daisuke Hashizume, Hiroshi Matsui, Ryohei Kishi, Masayoshi Nakano, Shintaro Ishida, Angew. Chem. Int. Ed. 2019,58(13), 4371-4375. (DOI: 10.1002/anie.201900824)

 

113.Quantum chemical exploration of dimeric forms of polycyclic aromatic hydrocarbons, naphthalene, perylene, and coronene

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Chem. Phys. Lett. 2019, 716, 147-154. (DOI: 10.1016/j.cplett.2018.12.034)

 

112.Exploration of Carbon Allotropes with Four-membered Ring Structures on Quantum Chemical Potential Energy Surfaces

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Hiroaki Tokoyama, Hideo Yamakado, J. Comput. Chem.2019, 1, 14-28. (DOI: 10.1002/jcc.25556)

 

111.Transformative Si8R8 Siliconoids

Naohiko Akasaka, Shintaro Ishida, Takeaki Iwamoto, Inorganics., 2018, 6(4), 107.(DOI: 10.3390/inorganics6040107)

 

110.Alkoxy(tetraaryl)silicates bearing 9,10-disilatriptycene skeleton

Shintaro Ishida, Minori Takiguchi, Takeaki Iwamoto, Heteroat. Chem., 2018, 29, e21481.(DOI: 10.1002/hc.21481)

 

109. Dearomative Cycloadditions of a Silylene with Pyrazine and Quinoxaline

Shintaro Ishida, Tomofumi Tamura, Takeaki Iwamoto, Dalton Trans., 2018, 47, 11317-11321.(DOI: 10.1039/C8DT02802H)

 

108. Exploration of Carbon Allotropes with Four-membered Ring Structures on Quantum Chemical Potential Energy Surfaces

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Hiroaki Tokoyama, Hideo Yamakado, J. Comput. Chem. accepted.

 

107. Facile Skeletal Rearrangement of Polycyclic Disilenes with Bicyclo[1.1.1]pentasilanyl Groups

Yuki Yokouchi, Shintaro Ishida, Takeaki Iwamoto, Chem. Eur. J., 2018, 24, 11393-11401.(DOI: 10.1002/chem.201801517)

 

106. A Series of Two-coordinate Group-15 Element (P, As, Sb, Bi) Centered Radicals Having Bulky Alkyl Groups

Shintaro Ishida, Fumiya Hirakawa, Takeaki Iwamoto, Bull. Chem. Soc. Jpn., 2018, 91, 1168-1175.(DOI: 10.1246/bcsj.20180057)

 

105. Cleavage of Two Hydrogen Molecules by Boryldisilenes

Tomoyuki Kosai, Takeaki Iwamoto, Chem. Eur. J., 2018, 24, 7774-7780. (DOI: 10.1002/chem.201801286)

 

104. Synthesis and Functionalization of a 1,2-Bis(trimethylsilyl)-1,2-disilacyclohexene That Can Serve as a Unit of cis-1,2-Dialkyldisilene

Naohiko Akasaka, Kaho Tanaka, Shintaro Ishida, Takeaki Iwamoto, Inorganics, 2018, 6(1), 21.(DOI: 10.3390/inorganics6010021)

 

103. Synthesis and Functionalization of a 1,4-Bis(trimethylsilyl)tetrasila-1,3-diene through the Selective Cleavage of Si(sp2)–Si(sp3) Bonds under Mild Reaction Conditions

Naohiko Akasaka, Kentaro Fujieda, Eleonora Garoni, Kenji Kamada, Hiroshi Matsui, Masayoshi Nakano, Takeaki Iwamoto, Organometallics, 2018, 37(2), 172-175.(DOI: 10.1021/acs.organomet.7b00864)

 

102. Structural Change upon One-Electron Reduction of an Isolable Dialkylsilylene

Takashi Abe, Shintaro Ishida, Takeaki Iwamoto, Bull. Chem. Soc. Jpn., 2018, 91, 684-686.(DOI:10.1246/bcsj.20170380)

 

101. Facile synthesis and bridgehead-functionalization of bicyclo[3.3.3]pentasiloxanes

Yuki Yokouchi, Shintaro Ishida, Tsunenobu Onodera, Hidetoshi Oikawa and Takeaki Iwamoto, Chem. Commun., 2018, 54(3), 268-270.(DOI: 10.1039/C7CC08790J)

 

100. Stable Push-Pull Disilene: Substantial Donor-Acceptor Interactions through the Si=Si Double Bond

Tomoyuki Kosai and Takeaki Iwamoto, J. Am. Chem. Soc., 2017, 139 (50), 18146-18149.(DOI: 10.1021/jacs.7b09989)

 

99. Benzodisilacyclobutadienes: 8π-Electron Systems with An Antiaromatic Silicon Ring

Shintaro Ishida, Yoshifumi Misawa, Shohei Sugawara, Takeaki Iwamoto, Angew. Chem. Int. Ed., 2017, 56, 13829-13832.(DOI: 10.1002/anie.201707553)

 

98. Heteroaryldisilenes: heteroaryl groups serve as electron acceptors for Si=Si double bonds in the intramolecular charge transfer transitions

Tomoyuki Kosai, Shintaro Ishida, Takeaki Iwamoto, Dalton Trans., 2017, 46, 11271-11281. (DOI: 10.1039/C7DT02357J)

 

97. Tethered 1,2-Si-Group Migrations in Radical-Mediated Ring Enlargements of Cyclic Alkoxysilanes: An EPR Spectroscopic and Computational Investigation

John C. Walton, Ryutaro Kanada, Takeaki Iwamoto, Satoshi Shuto, and Hiroshi Abe, J. Org. Chem., 2017, 82(13), 6886-6894. (DOI: 10.1021/acs.joc.7b01011)

 

96. A 1,2-Dibromosilene: Generation, Spectroscopic Observation and Isomerization to a Silacyclohexane via Facile 1,2-Bromine Shift

Shintaro Ishida, Yushi Kato, Takeaki Iwamoto, Chem. Lett., 2017, 46, 1155-1157. (DOI: 10.1246/cl.170409) (selected as “Editor’s Choice”)

 

95. A Pt(0) complex with cyclic (alkyl)(amino)silylene and 1,3-divinyl-1,1,3,3-tetramethyldisiloxane ligands: synthesis, molecular structure, and catalytic hydrosilylation activity

Tomohiro Iimura, Naohiko Akasaka, Tomoyuki Kosai, Takeaki Iwamoto, Dalton Trans., 2017, 46, 8868-8874.

(DOI: 10.1039/c7dt01113j)(themed issue on Silicon Chemistry: Discoveries and Advances)

 

94. Coordination-induced Hydrogen Abstraction in the Reactions of a Stable Dialkylphosphinyl Radical with BH3-Lewis Base Adducts

Shintaro Ishida, Hitomi Ichikawa, Takeaki Iwamoto, Chem. Lett., 2017, in press. (DOI: 10.1246/cl.170248)

 

93. Global Exploration of Isomers and Isomerization Channels on the Quantum Chemical Potential Energy Surface of H3CNO3

Koichi Ohno, Naoki Kishimoto, Takeaki Iwamoto, and Hiroko Satoh, J. Comput. Chem., 2017, 38(10), 669-687. (DOI: 10.1002/jcc.24732)

 

92. Isolation and Characterization of Radical Anions Derived from a Boryl-Substituted Diphosphene

Shun-suke Asami, Shintaro Ishida, Takeaki Iwamoto, Katsunori Suzuki, Makoto Yamashita, Angew. Chem. Int. Ed., 2017, 56, 1658-1662. (DOI: 10.1002/anie.201611762)

 

91. Pentasila-1,4-diene: Homoconjugation between Si=Si Double Bonds via a SiMe2 Unit

Tomoyuki Kosai, Shintaro Ishida, Takeaki Iwamoto, J. Am. Chem. Soc., 2017, 139(1), 99-102. (DOI: 10.1021/jacs.6b11912)

 

90. A Dialkylsilylene-Pt(0) Complex with a DVTMS Ligand for the Catalytic Hydrosilylation of Functional Olefins

Tomohiro Iimura, Naohiko Akasaka, and Takeaki Iwamoto, Organometallics., 2016, 35(24), 4071-4076.

(DOI: 10.1021/acs.organomet.6b00741)

 

89. A Two-Coordinate Cyclic (Alkyl)(amino)silylene: Balancing Thermal Stability and Reactivity

Tomoyuki Kosai, Shintaro Ishida, Takeaki Iwamoto, Angew. Chem. Int. Ed., 2016, 55, 15554-15558.(DOI: 10.1002/anie.201608736)

 

88. A Potassium Diboryllithate: Synthesis, Bonding Properties, and the Deprotonation of Benzene

Takuto Ohsato, Yuri Okuno, Shintaro Ishida, Takeaki Iwamoto, Ka-Ho Lee, Zhenyang Lin, Makoto Yamashita, and Kyoko Nozaki Angew. Chem. Int. Ed., 2016, 55, 11426-11430.

(DOI: 10.1002/anie.201605005)

 

87. Hydrogen Bonds-Enabled Design of a C1-Symmetric Chiral Brønsted Acid Catalyst

Norie Momiyama, Kosuke Funayama, Hirofumi Noda, Masahiro Yamanaka, Naohiko Akasaka, Shintaro Ishida, Takeaki Iwamoto, and Masahiro Terada. ACS Catal., 2016, 6, 949-956.

(DOI: 10.1021/acscatal.5b02079)

 

86. Ferrocenyl-substituted Bicyclo[1.1.1]pentasilanes: Evaluation of Significant Interactions between Ferrocenyl Units and Rigid Silicon Cages

Yusuke Kishimoto, Shintaro Ishida, and Takeaki Iwamoto. Chem. Lett., 2016,2, 235-237 (DOI:10.1246/cl.151089)

 

85. Wavy carbon: A new series of carbon structures explored by quantum chemical calculations

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Hiroaki Tokoyama, Hideo Yamakado, Chemical Physics Letters, 2015, 639, 178-182.

(DOI:10.1016/j.cplett.2015.09.026)

 

84. Persistent four-coordinate iron-centered radical stabilized by π-donation

Yusuke Sunada, Shintaro Ishida, Fumiya Hirakawa, Yoshihito Shiota, Kazunari Yoshizawa, Shinji Kanegawa, Osamu Sato, Hideo Nagashima and Takeaki Iwamoto. Chem. Sci., 2016, 7, 191–198.

(DOI: 10.1039/C5SC02601F)

 

83. Recent Advances in η2-Disilene and η2-Disilyne Mononuclear Transition Metal Complexes and Related Compounds (For a special issue: Recent Developments in Organometallic Chemistry: 2016)

Shintaro Ishida, Takeaki Iwamoto, Coord. Chem. Rev.Early View,(DOI:10.1016/j.ccr.2015.11.007).

 

82. Persistent Dialkylsilanone Generated by Dehydrobromination of Dialkylbromosilanol

Shintaro Ishida, Takashi Abe, Fumiya Hirakawa, Tomoyuki Kosai, Katsuhiro Sato, Mitsuo Kira, Takeaki Iwamoto. Chem. Eur. J.,2015, 21, 15100-15103.(DOI: 10.1002/chem.201501478)

 

81. Prism-C2n Carbon Dimer, Trimer, and Nano-Sheets: A Quantum Chemical Study

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Chem Phys. Lett., 2015,633, 120-125.

 

80. Transformation of azulenes to bicyclic [4]dendralene and heptafulvene derivatives by photochemical cycloaddition of dialkylsilylene

Tomoyuki Kosai, Shintaro Ishida, Takeaki Iwamoto, Chem. Commun., 2015, 51, 10707-10709. (DOI:10.1039/C5CC03424H)

 

79. Redox Reactions of a Stable Dialkylphosphinyl Radical

Fumiya Hirakawa, Hitomi Ichikawa, Shintaro Ishida, Takeaki Iwamoto, Organometallics, 2015, 34(12), 2714–2716. (DOI:10.1021/acs.organomet.5b00323)

 

78. A Prism Carbon Molecule C20

Shintaro Ishida, Fumiya Hirakawa, Takeaki Iwamoto, Chem. Lett., 2015, 44, 94-96. (DOI:10.1246/cl.140885) Selected as "Editor's Choice".

 

77.Reactions of a Stable Phosphinyl Radical with Stable Aminoxyl Radicals

Shintaro Ishida, Fumiya Hirakawa, Takeaki Iwamoto, Chem. Lett., 2015, 44, 94-96. (DOI:10.1246/cl.140885)

 

76.A heavy analogue of the smallest bridgehead alkene stabilized by a base

Takeaki Iwamoto, Naohiko Akasaka, Shintaro Ishida, Nat. Commun., 2014, 5, 5353. (DOI:10.1038/ncomms6353)

 

75.Two-coordinate Dialkylsilylene-Coinage Metal Complexes

Yuichiro Inagawa, Shintaro Ishida, Takeaki Iwamoto, Chem. Lett., 2014, 43, 1665-1667. (DOI:10.1246/cl.14)

 

74.Persistent Antimony- and Bismuth-Centered Radicals in Solution

Shintaro Ishida, Fumiya Hirakawa, Ko Furukawa, Kenji Yoza, Takeaki Iwamoto, Angew. Chem. Int. Ed., 2014, 53, 11172-11176. (DOI:10.1002/anie.201405509)

 

73.Germanium-centered free radicals studied by muon spin spectroscopy

Robert West, Kerim Samedov, Amitabha Mitra, Paul W. Percival, Jean-Claude Brodovitch, Graeme Langille, Brett M. McCollum, Takeaki Iwamoto, Shintaro Ishida, Cameron Jones, Jiaye Li, Can. J. Chem., 2014, 92(6): 508-513, 10.1139/cjc-2013-0427. (DOI:10.1139/cjc-2013-0427)

 

72.Isolable 2,3-Disila-1,3-butadiene via Double Sila-Peterson Reaction

Daiki Motomatsu, Shintaro Ishida, Koichi Ohno, Takeaki Iwamoto, Chem. Eur. J., 2014, 20, 9424–9430.(DOI:10.1002/chem.201402868)

 

71.Unexpected Formation of Highly Strained 2,5-Dioxa-Silabicyclo[2.1.0]Pentane by the Reaction of Isolable Dialkylsilylene with Benzil

Shintaro Ishida, Kenya Uchida, and Takeaki Iwamoto, Heteroat. Chem., 2014, 25, 348-353.(DOI:10.1002/hc.21162)

 

70.Near-IR Absorbing Nickel(II) Porphyrinoids Prepared by Regioselective Insertion of Silylenes into Antiaromatic Nickel(II) Norcorrole

Takaki Fukuoka, Kenya Uchida, Young Mo Sung, Ji-Young Shin, Shintaro Ishida, Dr. Jong Min Lim, Satoru Hiroto, Ko Furukawa, Dongho Kim, Takeaki Iwamoto, Hiroshi Shinokubo, Angew. Chem. Int. Ed., 2014, 53, 1506-1509. (DOI:10.1002/anie.201309921)

 

69.Palladium and Platinum η2-Disilyne Complexes Bearing an Isolable Dialkyldisilyne as a Ligand

Shintaro Ishida, Ryutaro Sugawara, Yoshifumi Misawa and Takeaki Iwamoto, Angew. Chem. Int. Ed., 2013, 52, 12869-12873. (DOI: 10.1002/anie.201308517)

 

68. Anthryl-substituted 3-Silylene-2-silaaziridine Obtained by Isomerization of Disilacyclopropanimine: An Exocyclic Silene Showing Distinct Intramolecular Charge Transfer Transition

Takeaki Iwamoto, Nobuyoshi Ohnishi, Naohiko Akasaka, Koichi Ohno, and Shintaro Ishida, J. Am. Chem. Soc., 2013, 135, 10606-10609.. (DOI: 10.1021/ja404045f)

 

67.New Isolable Dialkylsilylene and Its Isolable Dimer That Equilibrate in Solution

Takashi Abe, Ryoji Tanaka, Shintaro Ishida, Mitsuo Kira, and Takeaki Iwamoto, J. Am. Chem. Soc., 2012, 134, 20029-20032. (DOI: 10.1021/ja310391m)

 

66. A Two-Coordinate Palladium Complex with Two Dialkylphosphinyl Ligands

Takeaki Iwamoto, Fumiya Hirakawa, Shintaro Ishida, Angew. Chem. Int. Ed., 2012, 51, 12111-12114. (DOI: 10.1002/anie.201206997)

 

65. Siloxy-Substituted Cyclopentadiene Showing Aggregation-Enhanced Emission: An Application of Cycloaddition of Isolable Dialkylsilylene

Shintaro Ishida, Kenya Uchida, Tsunenobu Onodera, Hidetoshi Oikawa, Mitsuo Kira, Takeaki Iwamoto, Organometallics, 2012, 31, 5983-5985. (DOI:10.1021/om3005178)

 

64. Preparation of 4,7-Dibromobenzo[b]thiophene as a Versatile Building Block and Synthetic Application to a Bis(ethynylthienyl)oligoarene System

Takuya Yamamoto, Hiroshi Katsuta, Kozo Toyota, Takeaki Iwamoto, Noboru Morita, Bull. Chem. Soc. Jpn., 2012, web released. (DOI:10.1246/bcsj.20100345)

 

63. Persilastaffanes: Design, Synthesis, Structure, and Conjugation between Silicon Cages

Takeaki Iwamoto, Daisuke Tsushima, Eunsang Kwon, Shintaro Ishida, Hiroyuki Isobe, Angew. Chem. Int. Ed., 2012, 51, 2340-2344. (DOI:10.1002/anie.201106422, Press Release (2011 No.50))

 

62. Design of Chiral Bis-phosphoric Acid Catalyst Derived from (R)-3,3'-Di(2-hydroxy-3-arylphenyl)binaphthol: Catalytic Enantioselective Diels–Alder Reaction of α,β-Unsaturated Aldehydes with Amidodienes

Norie Momiyama, Tohru Konno, Yuichi Furiya, Takeaki Iwamoto, Masahiro Terada, J. Am. Chem. Soc., 2011, 133(48), 19294–19297. (DOI: 10.1021/ja2081444)

 

61. A Stable Dialkylphosphinyl Radical

Shintaro Ishida, Fumiya Hirakawa, Takeaki Iwamoto, J. Am. Chem. Soc., 2011, 133, 12968-12971. (DOI:10.1021/ja205001m)

 

60. Addition of a Stable Dialkylsilylene to Carbon-carbon Unsaturated Bonds

Shintaro Ishida, Takeaki Iwamoto, Mitsuo Kira, Heteroat. Chem., 2011, 22, 432-437. (DOI:10.1002/hc.20705)

 

59. Preparation of 1,4-Bis(2-ethynyl-3-thienyl) Benzene Derivatives Linked by Oligo(ethyleneglycol) Chain

Kozo Toyota, Hiroshi Katsuta, Takeaki Iwamoto, Noboru Morita, Heteroat. Chem., 2011, 22, 531-537. (DOI:10.1002/hc.20718)

 

58. Structure and Reactions of an Isolable Ge=Si Doubly Bonded Compound, Tetra(t-butyldimethylsilyl)germasilene

Takeaki Iwamoto, Junichiro Okita, Naoki Yoshida, Mitsuo Kira, Silicon, 2011, 2(4), 209-216. (DOI:10.1007/s12633-011-9069-8)

 

57.Synthesis and Structures of (Dialkylsilylene)bis(phosphine)-nickel, Palladium, and Platinum Complexes and (η6-Arene)(dialkylsilylene)nickel Complexes

Chieko Watanabe, Yuichiro Inagawa, Takeaki Iwamoto, Mitsuo Kira, Dalton Trans., 2010, 39, 9414-9420.
(DOI:10.1039/C0DT00415D)

 

56.Reactions of an Isolable Dialkylsilylene with Ketones

Shintaro Ishida, Takeaki Iwamoto, Mitsuo Kira, Organometallics , 2010, in press. (DOI: 10.1021/om1004644)

 

55. Synthesis and Structures of Deoxyribonucleoside Analogues for Triazole-linked DNA (TLDNA)

Tomoko Fujino, Nobuhide Tsunaka, Marine Guillot-Nieckowski, Waka Nakanishi, Takeaki Iwamoto, Eiichi Nakamura, Hiroyuki Isobe, Tetrahedron Lett., 2010, 51, 2036–2038.

 

54. Synthesis and Facile Ring Expansion of Silylenecyclotetrasilane

Takeaki Iwamoto, Yuichi Furiya, Hideki Kobayashi, Hiroyuki Isobe, Mitsuo Kira, Organometallics , 2010, 29(8), 1869–1872.
(published date April 1, 2010, DOI: 10.1021/om9010577)

 

53. Synthesis and Structure of Stable Base-Free Dialkylsilanimines

Takeaki Iwamoto, Nobuyoshi Ohnishi, Zhenyu Gui, Shintaro Ishida, Hiroyuki Isobe, Satoshi Maeda, Koichi Ohno, Mitsuo Kira, New. J. Chem., 2010, 34, 1637–1645.
(DOI: 10.1039/c0nj00121j)

 

52. A Stable 1,2-Disilacyclohexene and Its 14-Electron Palladium(0) Complex

Takashi Abe, Takeaki Iwamoto, Mitsuo Kira, J. Am. Chem. Soc., 2010, 132(14), 5008–5009.
(published date March 10, 2010, DOI: 10.1021/ja101654b)

 

51. Concise Synthesis of Halogenated Chrysenes ([4]Phenacenes) that Favor π-Stack Packing in Single Crystals

Hiroyuki Isobe, Shunpei Hitosugi, Taisuke Matsuno, Takeaki Iwamoto, Junji Ichikawa, Org. Lett., 2009, 11(17), 4026–4028.
(published date August 10, 2009, DOI: 10.1021/ol901693y)

 

50. Unusual Bonding in Trisilaallene and Related Heavy Allenes

Mitsuo Kira, Takeaki Iwamoto, Shintaro Ishida, Hidenori Masuda, Takashi Abe and Chizuko Kabuto, J. Am. Chem. Soc., 2009, 131(47), 17135–17144.
(published date November 10, 2009, DOI: 10.1021/ja904525a)

 

49. Anthryl-Substituted Trialkyldisilene Showing Distinct Intramolecular Charge-Transfer Transition

Takeaki Iwamoto, Maiko Kobayashi, Kei Uchiyama, Shin Sasaki, Selvarajan Nagendran, Hiroyuki Isobe, Mitsuo Kira, J. Am. Chem. Soc., 2009, 131(9), 3156–3157.
(published date February 18, 2009, DOI: 10.1021/ja8093313)

RBL02_anthryldisilene

 

48. Isomerization of an Isolable Silylene into a Silene via 1,2-Silyl Migration

Shintaro Ishida, Takeaki Iwamoto, Mitsuo Kira, Organometallics, 2009, 28(3), 919-921.
(published date January 12, 2009, DOI: 10.1021/om800692b)

 

47. Probing the Reactivity of a Stable Silene Using Muonium

Brett M. McCollum, Takashi Abe, Jean-Claude Brodovitch, Jason A. C. Clyburne, Takeaki Iwamoto, Mitsuo Kira, Paul W. Percival, Robert West, Angew. Chem. Int. Ed., 2008, 47(50), 9772-9774.
(published date November 5, 2008, DOI: 10.1002/ange.200804458)

 

46. Fourteen-Electron Bis(dialkylsilylene)palladium and Twelve-Electron Bis(dialkylsilyl)palladium Complexes

Chieko Watanabe, Takeaki Iwamoto, Chizuko Kabuto, Mitsuo Kira, Angew. Chem. Int. Ed., 2008, 47(29), 5386-5389.
(published date June 11, 2008, DOI: 10.1002/anie.200705954)

 

45. 1,3-Digermabicyclo[1.1.0]butane with an Inverted Bridge Ge-Ge σ-Bond

Takeaki Iwamoto, Dongzhu Yin, Sven Boomgaarden, Chizuko Kabuto, Mitsuo Kira, Chem. Lett., 2008, 37(3), 520-521.
(published date April 12, 2008, DOI: 10.1246/cl.2008.520)

 

44. Synthesis, Structure, and Facile Ring Flipping of a Bicyclo[1.1.0]tetrasilane

Kiyomi Ueba-Ohshima, Takeaki Iwamoto, Mitsuo Kira, Organometallics, 2008, 27(3), 320-323.
(published date January 10, 2008, DOI: 10.1021/om7011375)

 

43. Synthesis and Structure of Ethynylsilyllithiums

Mitsuo Kira, Tomoyuki Kadowaki, Dongzhu Yin, Kenkichi Sakamoto, Takeaki Iwamoto, Chizuko Kabuto, Organometallics, 2007, 26(20), 4890–4895.
(published date August 31, 2007, DOI: 10.1021/om0611103)

 

42. Thermal and Photochemical Cleavage of Si=Si Double Bond in Tetrasila-1,3-diene

Kei Uchiyama, Selvarajan Nagendran, Shintaro Ishida, Takeaki Iwamoto, and Mitsuo Kira, J. Am. Chem. Soc., 2007, 129(35), 10638–10639.
(published date August 11, 2007, DOI: 10.1021/ja0741473)

 

41. Synthesis of Tricyclo[3.1.0.02,4]hexasilane and Its Photochemical Isomerization to Tricyclo[2.2.0.02,5]hexasilane

Takeaki Iwamoto, Kei Uchiyama, Chizuko Kabuto, and Mitsuo Kira, Chem. Lett., 2007, 36(3), 368-369.
(published date February 3, 2007, DOI: 10.1246/cl.2007.368)

 

40. Dinuclear Palladium Complex with a Bridging Dialkylsilylene Ligand

Chieko Watanabe, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Chem. Lett., 2007, 36(2), 284-285.
(published date January 18, 2007, DOI: 10.1246/cl.2007.284)

 

39. Reactions of Trisilaallene and 2-Germadisilaallene with Various Reagents

Takeaki Iwamoto, Takashi Abe, Shintaro Ishida, Chizuko Kabuto, and Mitsuo Kira, J. Organomet. Chem., 2007, 692(1-3), 263–270.
(published date September 1, 2006, DOI: 10.1016/j.jorganchem.2006.05.063)

 

38. Synthesis, Properties, and Reactions of a Series of Stable Dialkyl-Substituted Silicon-Chalcogen Doubly Bonded Compounds

Takeaki Iwamoto, Katsuhiro Sato, Shintaro Ishida, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 2006, 128(51), 16914–16920.
(published date December 7, 2006, DOI: 10.1021/ja065774f)

 

37. Fused Tricyclic Disilenes with Highly Strained Si–Si Double Bonds: Addition of a Si–Si Single Bond to a Si–Si Double Bond

Ryoji Tanaka, Takeaki Iwamoto, Mitsuo Kira, Angew. Chem. Int. Ed., 2006, 45(38), 6371–6373(selected as a “Hot Paper”).
(published date August 21, 2006, DOI: 10.1002/anie.200602214)

 

36. Synthesis, Structure, and Bonding of Stable Dialkylsilaketenimines

Takashi Abe, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 2006, 128(13), 4228–4229.
(published date March 9, 2006, DOI: 10.1021/ja057917o)

 

35. Ligand Dependence of -Complex Character in Disilene-palladium Complexes

Takeaki Iwamoto, Yumiko Sekiguchi, Naoki Yoshida, Chizuko Kabuto, and Mitsuo Kira, Dalton Trans., 2006(1), 177–182.

 

34. A Stable Fused Bicyclic Disilene as a Model for Silicon Surface

Hideki Kobayashi, Takeaki Iwamoto, and Mitsuo Kira, J. Am. Chem. Soc., 2005, 127(44), 15376–15377.

 

33. A Missing Allene of Heavy Group 14 Elements: 2-Germadisilaallene

Takeaki Iwamoto, Takashi Abe, Chizuko Kabuto and Mitsuo Kira, Chem. Commun., 2005(41), 5190–5192.

 

32. Trigermaallene and 1,3-Digermasilaallene

Takeaki Iwamoto, Hidenori Masuda, Chizuko Kabuto, and Mitsuo Kira, Organometallics, 2005, 24(2), 197–199.

 

31. Novel Group 14 Elements-bridged Self-assembled Supermolecules from Pyrimidine Derivatives and Palladium Ions

Yoshiyuki Miura, Masato Nanjo, Kunio Mochida, Takeaki Iwamoto, and Mitsuo Kira, Inorg. Chem. Commun., 2004, 7(9), 1017–1018.

 

30. 14-Electron Disilene-Palladium Complex Having Strong -Complex Character

Mitsuo Kira, Takeaki Iwamoto, Yumiko Sekiguchi, and Chizuko Kabuto, J. Am. Chem. Soc., 2004, 126(40), 12778–12779.

 

29. The Singlet Excited State of a Stable Dialkylsilylene Is Responsible for Its Photoreactions

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, Armin de Meijere, Mamoru Fujitsuka, and Osamu Ito, Angew. Chem., Int. Ed., 2004, 43(34), 4510–4512.

 

28. Unusual Reactions of Isolable Dialkylgermylene and Dialkylstannylene with Galvinoxyl Radical

Hidenori Masuda, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Russ. Chem. Bull., Int. Ed., 2004, 53(5), 1105–1108.

 

27. Diverse Reactions of Nitroxide-Radical Adducts of Silylene, Germylene, and Stannylene

Takeaki Iwamoto, Hidenori Masuda, Shintaro Ishida, Chizuko Kabuto, and Mitsuo Kira, J. Organomet. Chem., 2004, 689(8), 1337–1341.

 

26. Insertion of a Stable Dialkylsilylene into Silicon-chlorine Bonds

Shintaro Ishida, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Silicon Chem., 2003, 2(3-4), 137–140.

 

25. Addition of Stable Nitroxide Radical to Stable Divalent Compounds of Heavier Group-14 Elements

Takeaki Iwamoto, Hidenori Masuda, Shintaro Ishida, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 2003, 125(31), 9300–9301.

 

24. Synthesis, Structure, and Isomerization of A2Si=SiB2-type Tetrakis(trialkylsilyl)disilenes

Takeaki Iwamoto, Junichiro Okita, Chizuko Kabuto, and Mitsuo Kira, J. Organomet. Chem., 2003, 686105–111.

 

23. Comparison of Structures between Platinum and Palladium Complexes of a Tetrasilyldisilene

Hisako Hashimoto, Yumiko Sekiguchi, Yohei Sekiguchi, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Can. J. Chem., 2003, 81(11), 1241–1245.

 

22. Photochemical Isomerization and X-ray Structure of Stable [Tris(trialkylsilyl)silyl]cyclotrisilene

Takeaki Iwamoto, Makoto Tamura, Chizuko Kabuto, and Mitsuo Kira, Organometallics, 2003, 22(11), 2342–2344.

 

21. Radical Anion of Isolable Dialkylsilylene

Shintaro Ishida, Takeaki Iwamoto, and Mitsuo Kira, J. Am. Chem. Soc., 2003, 125(11), 3212–3213.

 

20. A Stable Silicon-Based Allene Analogue with a Formally sp-Hybridized Silicon Atom

Shintaro Ishida, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Nature, 2003, 421, 725–727.

 

19. Sila-metalation Route to Hydrido(trialkylsilyl)silyllithiums

Takeaki Iwamoto, Junichiro Okita, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 2002, 124(39), 11604–11605.

 

18. Excited-State Reactions of an Isolable Silylene with Aromatic Compounds

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, and Chizuko Kabuto, J. Am. Chem. Soc., 2002, 124(15), 3830–3831.

 

17. Hexakis(trialkylsilyl)cyclotrisilanes and Photochemical Generation of Bis(trialkylsilyl)silylenes

Mitsuo Kira, Takeaki Iwamoto, Toyotaro Maruyama, Tsuyoshi Kuzuguchi, Dongzhu Yin, Chizuko Kabuto, and Hideki Sakurai, J. Chem. Soc, Dalton Trans., 2002(7), 1539–1544.

 

16. Synthesis and X-Ray Structure of a Platinum 2-Disilene Complex

Hisako Hashimoto, Yohei Sekiguchi, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Organometallics, 2002, 21(3), 454–456.

 

15. The First 1,3-Disilabicyclo[1.1.0]butane with Long-Bridge Silicon-Silicon Bond

Takeaki Iwamoto, Dongzhu Yin, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 2001, 123(50), 12730–12731.

 

14. New Synthesis of a Stable Dialkylstannylene and its Reversible Complexation with Tetrahydrofuran

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, Rika Yauchibara, and Hideki Sakurai, J. Organomet. Chem., 2001, 636(1-2), 144–147.

 

13. Unexpected Reactions of an Isolable Dialkylsilylene with Haloalkanes

Shintaro Ishida, Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, Chem. Lett., 2001, 30(11), 1102–1103.

 

12. Novel 1,2-Dilithiodisilanes Derived from Reduction of Stable Tetrakis(trialkylsilyl)disilenes with Lithium Metal

Mitsuo Kira, Takeaki Iwamoto, Dongzhu Yin, Toyotaro Maruyama, and Hideki Sakurai, Chem. Lett., 2001, 30(9), 910–911.

 

11. A Mechanistic Study of Reactions of Stable Disilenes with Haloalkanes

Mitsuo Kira, Tai Ishima, Takeaki Iwamoto, and Masaaki Ichinohe, J. Am. Chem. Soc., 2001, 123(8), 1676-1682.

 

10. A Stable Bicyclic Compound with Two Si=Si Double Bonds

Takeaki Iwamoto, Makoto Tamura, Chizuko Kabuto, and Mitsuo Kira, Science, 2000, 290(5491), 504–506.

 

9. Facile Rotation around Si=Si Double Bonds in Tetrakis(trialkylsilyl)disilenes

Mitsuo Kira, Sachiko Ohya, Takeaki Iwamoto, Masaaki Ichinohe, and Chizuko Kabuto, Organometallics, 2000, 19(10), 1817–1819.

 

8. The First Isolable Dialkylsilylene

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, and Chizuko Kabuto, J. Am. Chem. Soc., 1999, 121(41), 9722–9723.

 

7. The First Stable Cyclotrisilene

Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira, J. Am. Chem. Soc., 1999, 121(4), 886–887.

 

6. Synthesis and Structure of a Stable Cyclic Dialkylgermylene

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, Masaaki Ichinohe, Chizuko Kabuto, Lubov Ignatovich, and Hideki Sakurai, Chem. Lett., 1999, 28(3), 263–264.

 

5. Bimolecular Reactions of Tetrakis(trialkylsilyl)disilenes with Various Reagents

Takeaki Iwamoto, Hideki Sakurai, and Mitsuo Kira, Bull. Chem. Soc. Jpn., 1998, 71(12), 2741–2747.

 

4. A Mechanistic Study of Thermal and Photochemical Isomerization between Hexasilyltetrasilabicyclo[1.1.0]butane and Hexasilyltetrasilacyclobutene

Takeaki Iwamoto and Mitsuo Kira, Chem. Lett., 1998, 27(3), 277–278.

 

3. A Solid-State NMR and Theoretical Study of the Chemical Bonding in Disilene

Robert West, Jefferson D. Cavalieri, Jarrod J. Buffy, Charles Fry, Kurt W. Zilm, James C. Duchamp, Mitsuo Kira, Takeaki Iwamoto, Thomas Müller, and Yitzhak Apeloig, J. Am. Chem. Soc., 1997, 119(21), 4972–4976.

 

2. The First Stable Cyclic Disilene: Hexakis(trialkylsilyl)tetrasilacyclobutene

Mitsuo Kira, Takeaki Iwamoto, and Chizuko Kabuto, J. Am. Chem. Soc., 1996, 118(42), 10303–10304.

 

1. Tetrakis(trialkylsilyl)digermenes. Salient Effects of Trialkylsilyl Substituents on Planarity around Ge=Ge Bond and Remarkable Thermochromism

Mitsuo Kira, Takeaki Iwamoto, Toyotaro Maruyama, Chizuko Kabuto, and Hideki Sakurai, Organometallics, 1996, 15(18), 3767–3768.

 

 

Authors Profile

Takeaki Iwamoto, Angew. Chem. Int. Ed.. (DOI: 10.1002/anie.201702167)

 

 

 

12. A Silicon Analog of Bridgehead Alkene Stabilized by a Base (invited lecture)

Takeaki Iwamoto, The 11th International Conference on Heteroatom Chemistry, ENSICAEN, Caen, France, June 16, 2015

 

11. Persistent Two-coordinate Radicals of Heavy Group-15 Elements (invited lecture)

Takeaki Iwamoto, The 16th Korea-Japan Joint Symposium on Organometallic and Coodination Chemistry, O11, Sakura Hall Tohoku University, Sendai, Japan, October 23-25, 2014

 

10. Catenated Bicyclo[1.1.1]pentasilanes and Related Compounds (invited lecture)

Takeaki Iwamoto, The 17th International Symposium on Silicon Chemistry 2014 Berlin & the 7th European Silicon Days, IL-13, Techniche Universität Berlin, Berlin, Germany, August 3-8, 2014

 

9. Persistent Neutral Two-coordinate Radicals of Heavy Group-15 Elements(invited lecture)

Takeaki Iwamoto, The International Symposium on Reactive Intermediates and Unusual Molecules (ISRIUM) 2014, The Aster Plaza, Hiroshima, April 1-6, 2014

 

8. Synthesis and Structure of Persilastaffanes and Related Silicon Compounds (invited lecture)

Takeaki Iwamoto, 243rd ACS National Meeting & Exposition: ACS Awards Symposium honoring Mitsuo Kira, Christopher A. Reed and Philip P. Power, Paper No. 639, San Diego, California, USA, March 26-29, 2012

 

7. Synthesis, Structure, and Reactions of Stable Phosphinyl Radical Stabilized by Bulky Alkyl Substituents (invited lecture)

Takeaki Iwamoto, The 15th Korea-Japan Joint Symposium on Organometallic and Coodination Chemistry, Jeju, Korea, October 6-9, 2011

 

6. Silicon π-Electron Systems Derived From Isolable Divalent Silicon Compound (invited lecture)

Takeaki Iwamoto, the 3rd International Symposium on Interdisciplinary Materials Science (ISIMS-2011), Tsukuba International Congress Center, EPOCHAL, Tsukuba, March 9-10, 2011

 

5. Stable unsaturated silicon compounds showing intramolecular charge transfer transition (invited lecture)

Takeaki Iwamoto, The International Chemical Congress of Pacific Basin Societies (PACIFICHEM 2010), Honolulu, Hawaii, USA, December 15-20, 2010

 

4. Reactions of long bond isomers of 1,3-dimetallabicyclo[1.1.0]butanes (invited lecture)

Takeaki Iwamoto, Dongzhu Yin, Koya Inomata, Shintaro Ishida, Mitsuo Kira, The International Chemical Congress of Pacific Basin Societies (PACIFICHEM 2010), Honolulu, Hawaii, USA, December 15-20, 2010

 

3. Unsaturated Silicon Compounds with Polycyclic Aromatic Substituents (invited lectue)

Takeaki Iwamoto, Maiko Kobayashi, Nobuyoshi Ohnishi, Kei Uchiyama, Shin Sasaki, Selvarajan Nagendran, Isobe Hiroyuki, Mitsuo Kira, Shintaro Ishida, Tohoku University Global Center of Excellence Program Summer School 2010, Lecture 4, Tohoku University Aoba-yama Campus, Sendai, August 19-20, 2010

 

2. Silicon Compounds with an Inverted Sigma Bond (invited lecture)

Takeaki Iwamoto, G-COE Dalian University of Technology – Tohoku University Joint Symposium, Tohoku University Central Hall, Sendai, December 9-10, 2009

 

1. Unique reactions of stable trisilaallene and related compounds (Invited lecture)

Takeaki Iwamoto, The 39th Silicon Symposium (25 Years of Multiple Bonds to Silicon), Frankenmuth, Michigan, USA, May 16-20, 2006

 

 

 

 

 

 

 

 

 

 

 

 

 

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