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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)

 

 

 

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

Shintaro Ishida, Yoshifumi Misawa, Shohei Sugawara, Takeaki Iwamoto, Angew. Chem. Int. Ed., accepted. (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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