SSOC

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原著論文
2017年

 

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

Yuki Yokouchi, Shintaro Ishida, Tsunenobu Onodera, Hidetoshi Oikawa and Takeaki Iwamoto, Chem. Commun., accepted.

 

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

Tomoyuki Kosai and Takeaki Iwamoto, J. Am. Chem. Soc., accepted.

 

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)

 

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)

 

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”)

 

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)

 

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)

 

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)

 

An Isolable Potassium Salt of a Borasilene-Chloride Adduct

Yuko Suzuki, Shintaro Ishida, Sota Sato, Hiroyuki Isobe, and Takeaki Iwamoto, Angew. Chem. Int. Ed., 2017, 56, 4593-4597.

(DOI: 10.1002/anie.201612545)

 

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)

 

2016年

 

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)

 

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)

 

2015年

 

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)

 

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.(Selected as a front cover)(DOI: 10.1002/chem.201501478)

 

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.

 

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)

 

A Prism Carbon Molecule C20

Koichi Ohno, Hiroko Satoh, Takeaki Iwamoto, Chem. Lett., 2015, 44(5), 712-714. (DOI:10.1246/cl.150120) Selected as "Editor's Choice".

 

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)

 

 

2014年

 

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)

 

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)

 

 

2013年

 

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)

 

 

 

2012年

 

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)

 

 

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, 85, 613-623. (DOI:10.1246/bcsj.20100345)

 

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))

 

 

 

2011年

 

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)

 

A Stable Dialkylphosphinyl Radical

Shintaro Ishida, Fumiya Hirakawa, Takeaki Iwamoto, J. Am. Chem. Soc., 2011, 133(48), 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)

 

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)

 

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)

 

 

2010年

 

Chemistry of Bis(2-ethynyl-3-thienyl)arene and Related Systems, Part 5:Preparation of an Unsymmetrical 4,4'-Bis(3-thienyl)biphenyl Derivative Containing a 2-[2-(Diphenylphosphino)ethynyl]-3-thienyl Moiety

Kozo Toyota, Yasutomo Tsuji, Noboru Morita, Phosphorus, Sulfur and Silicon Rel. Elem., 2010, 185(5-6), 983-991. (DOI:10.1080/10426501003772037)

 

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)

 

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)

 

Reactions of an Isolable Dialkylsilylene with Ketones

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

 

An efficient and regioselective iodination of electron-rich aromatic compounds using N-chlorosuccinimide and sodium iodide

Takuya Yamamoto, Kozo Toyota, Noboru Morita, Tetrahedron Lett., 2010, 51, 1364-1366. (DOI: 10.1016/j.tetlet.2009.12.125)

 

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.

 

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)

 

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)

 

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)

 

 

2009年

 

Chemistry of Bis(2-ethynyl-3-thienyl)arene and Related Systems. Part 7: "Preparation of 1,4-Bis(3-ethynylthieno[3,2-b]thiophen-2-yl)benzene Derivatives as Peptide-inspired Molecules,"

Kozo Toyota, Hiroshi Katsuta, Yasutomo Tsuji, Takeaki Iwamoto, Noboru Morita, Heterocycles., 2009, 78 (12), 3037-3051.

 

Unusual Bonding in Trisilaallene and Related Heavy Allenes

M. Kira, T. Iwamoto, S. Ishida, H. Masuda, T. Abe, C. Kabuto, J. Am. Chem. Soc., 2009, 131 (47), 17135–17144.

 

Chemistry of Bis(2-ethynyl-3-thienyl)arene and Related Systems. Part 6: "Preparation of 1,4-Bis(2-ethynyl-3-thienyl)benzene Derivatives Containing Fluorine Atoms at the 2,3- or 2,5-Positions of the Benzene Ring"

Kozo Toyota, Yasutomo Tsuji, Noboru Morita, J. Sulfur Chem., 2009, 30(3-4), 351-359.

 

Chemistry of Bis(2-ethynyl-3-thienyl)arene and Related Systems. Part 5: "Preparation of an Unsymmetrical 4,4’-Di(3-thienyl)biphenyl Derivative Containing a 2-[2-(Diphenylphosphino)ethynyl]-3-thienyl Moiety"

Kozo Toyota, Yasutomo Tsuji, Noboru Morita, Phosphorus, Sulfur and Silicon Relat. Elem., 2009, 185 (5-6), 983-991.

 

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.

 

 

 

2016年

 

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., 2016, 314, 34-63.

(DOI:10.1016/j.ccr.2015.11.007).

 

2014年

 

Silicon Compounds with Inverted Geometry around Silicon Atoms (Highlight Review)

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, 156, 125-202.

 

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