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石田 真太郎 准教授







平成6年3月 秋田県立大館鳳鳴高等学校卒業

平成10年3月 東北大学理学部化学科卒業

平成15年3月 東北大学大学院理学研究科化学専攻博士課程後期課程修了

(指導教官 吉良 満夫教授)、博士(理学)取得



平成12年4月~平成15年3月  日本学術振興会特別研究員(DC1)

平成15年4月~平成18年3月  日本学術振興会特別研究員(PD)

京都大学化学研究所、小松 紘一教授

平成18年4月~平成18年9月  東北大学大学院理学研究科化学専攻 博士研究員

平成18年10月~平成19年3月  群馬大学大学院工学研究科ナノ材料システム工学専攻 助手

平成19年4月~平成21年6月  群馬大学大学院工学研究科応用化学・生物化学専攻 助教


平成21年7月~ 東北大学大学院理学研究科化学専攻 講師

平成28年2月~ 東北大学大学院理学研究科化学専攻 准教授



平成11年11月 第4回ケイ素化学協会シンポジウムポスター賞

平成14年11月 第7回ケイ素化学協会シンポジウムポスター賞

平成15年3月 日本化学会第83春期年会学生講演賞

平成15年3月 平成14年度東北大学総長賞

平成16年2月 第20回井上研究奨励賞「初めての安定なジアルキルシリレンおよびトリシラアレンの合成、構造および反応」

平成24年10月 第17回ケイ素化学協会奨励賞「安定シリレンの特徴的な反応を利用した新規含ケイ素π電子系の創製」

平成26年12月 有機合成化学奨励賞「二配位高周期15族ラジカルの速度論的安定化および関連化合物の化学」






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

Yuki Yokouchi, Shintaro Ishida, Takeaki Iwamoto, Chem. Eur. J., accepted.(DOI: 10.1002/chem.201801517)


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., accepted.


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)


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)


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)


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)


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)


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”)


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., 2017,46(6), 883-885. (DOI: 10.1246/cl.170248)


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)


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)


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)


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)


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)


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)


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)


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).


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)


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)


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)


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)


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)


Two-coordinate Dialkylsilylene-Coinage Metal Complexes

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


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)


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)


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)


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)


Silicon Compounds with Inverted Geometry around Silicon Atoms

Takeaki Iwamoto, Shintaro Ishida, Chem. Lett, 2014, 43, 164-170. DOI: 10.1246/cl.130856)


Multiple Bonds with Silicon: Recent Advances in Synthesis, Structure, and Functions of Stable Disilenes

Takeaki Iwamoto, Shintaro Ishida, in Structure and Bondings Vol. 156, Functional Molecular Silicon Compounds II Low Oxidation States, D. Scheschkewitz Ed., Springer-Verlag, 2014, in press.


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)


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)


Microwave-Assisted Efficient One-Pot Synthesis of 9-Phenyl-9,10-disilatriptycene and Its Bridgehead Functionalization

Takayoshi Kuribara, Shintaro Ishida, Takako Kudo, Soichiro Kyushin, Organometallics, 2013, 32, 2092-2098. (DOI: 10.1021/om301170r)


An Organosilicon Cluster with an Octasilacuneane Core: A Missing Silicon Cage Motif

Shintaro Ishida, Kyohei Otsuka, Yuki Toma, Soichiro Kyushin, Angew. Chem. Int. Ed., 2013, 52, 2507-2510. (DOI: 10.1002/anie.201208506)


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)


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)


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)


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))


A Stable Dialkylphosphinyl Radical

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


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)


Synthesis and properties of 5,10,15,20-tetrakis[4-(alkoxysilyl)phenyl]porphyrins: an application of selective deprotection of benzaldehyde diethyl acetals in the presence of alkoxysilyl groups

Shintaro Ishida, Masayasu Ito, Hiroaki Horiuchi, Hiroshi Hiratsuka, Soshi Shiraishi, Soichiro Kyushin, Dalton Trans., 2010, 39, 9421-9426. (DOI:10.1039/C0DT00427H)


Reactions of an Isolable Dialkylsilylene with Ketones

Shintaro Ishida, Takeaki Iwamoto, Mitsuo Kira, Organometallics , 2010, 29, 5526-5534. (DOI: 10.1021/om1004644)


Selective Si-C Bond Cleavage on a Diorganosilicon Porphyrin Complex Bearing Different Axial Ligands

S. Ishida, K. Yoshimura, H. Matsumoto, S. Kyushin, Chem. Lett., 2009, 38, 362-363.


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

S. Ishida, T. Iwamoto, M. Kira, Organometallics, 2009, 28, 919-921.


Generation and Aromaticity of 2-Silaimidazolium Ion, a New p-Conjugated Silylium Ion

S. Ishida, T. Nishinaga, R. West, K. Komatsu, Chem. Commun., 2005, 6, 778-780.


The First Isolation of 1,3-Diaza-2-Sila-4-Cyclopentene Radical Cation Salt: The X-ray Structure and Electronic Properties

S. Ishida, T. Nishinaga, K. Komatsu, Chem. Lett., 2005, 34, 486-487.


A Stable Silicon-based Allene Analogue with a Formally sp-Hybridized Silicon Atom

S. Ishida, T. Iwamoto, C. Kabuto, M. Kira, Nature, 2003, 421, 725-727.


The First Isolable Dialkylsilylene

M. Kira, S. Ishida, T. Iwamoto, C. Kabuto, J. Am. Chem. Soc., 1999, 121, 9722-9723.


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