On 2010-2-16/ HOME

論文リスト [2010] [2009] [2008] [2007] [2006] [2005] [2004] [2003] [2002] [2001] [2000] [1999] [1998] [1997] [著書・総説・解説][学会発表リスト]

    2010

  1. Addition of Methyllithium to the Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) giving a Disilenyllithium and its Unexpected Isomerization to a Disilacyclopropylsilyllithium.
    T. Yamaguchi, M. Ichinohe, and A. Sekiguchi, New J. Chem., 2010 , in press.

  2. Heteronuclear Double Bonds E=E' (E = Heavy Group 14 Element, E' = Group 13-16 Element) (Highlight Review).
    V. Ya. Lee, A. Sekiguchi, J. Escudié, and H. Ranaivonjatovo, Chem. Lett., 2010 , in press.

  3. Addition of Amines and Hydroborane to the Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) Giving Amino- and Boryl-substituted Disilenes.
    K. Takeuchi, M. Ikoshi, M. Ichinohe, and Akira Sekiguchi, J. Am. Chem. Soc., 2010, 132, 930-931. [LINK]

    2009

  4. An η3-Disilaallyllithium Derivative: Interconversion of π-Allyl-Type Bonding and η1-Coordination to a Silyllithium Fragment.
    H. Tanaka, S. Inoue, M. Ichinohe, and A. Sekiguchi, Organometallics, 2009, 28, 6625-6628. [LINK]

  5. A Reactivity of the Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) toward Bis(silylcyanide) Forming a 1,4-Diaza-2,3-disilabenzene Analogue.
    K. Takeuchi, M. Ichinohe, A. Sekiguchi, J.-D. Guo, and S. Nagase, J. Phys. Org. Chem., 2009, in press.

  6. A "Push-Pull" Phosphasilene and Phosphagermene and Their Anion-Radicals.
    V. Ya. Lee, M. Kawai, A. Sekiguchi, H. Ranaivonjatovo, and J. Escudié, Organometallics, 2009, 28, 4262-4265. [LINK]

  7. η5-1,2,3-Trisilacyclopentadienyl - A Ligand for Transition Metal Complexes: Rhodium Half-Sandwich and Ruthenium Sandwich.
    H. Yasuda, V. Ya. Lee, and A. Sekiguchi, J. Am. Chem. Soc., 2009, 131, 9902-9903. [LINK]

  8. Electrochemical Properties and Computations of Stable Radicals of the Heavy Group 14 Elements (Si, Ge and Sn).
    J. Y. Becker, V. Ya. Lee, M. Nakamoto, A. Sekiguchi, A. Chrostowska, and A. Dargelos, Chem. Eur. J., 2009, 15, 8480-8484.

  9. Si3C2-Rings: From a Nonconjugated Trisilacyclopentadiene to an Aromatic Trisilacyclopentadienide and Cyclic Disilenide.
    H. Yasuda, V. Ya. Lee, and A. Sekiguchi, J. Am. Chem. Soc., 2009, 131, 6352-6353. [LINK]

  10. Pentasilatricyclo[2.1.0.02,5]pentane and its Anion.
    V. Ya. Lee, T. Yokoyama, K. Takanashi, and A. Sekiguchi, Chem. Eur. J., 2009, 15, 8401-8404.

  11. Reactivity of the Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) toward Nitriles: Unexpected Formation of Triaza-1,4-disilabicyclo[2.2.2]oct-2,5,7-triene Derivatives.
    K. Takeuchi, M. Ichinohe, A. Sekiguchi, J.-D. Guo, and S. Nagase, Organometallics, 2009, 28, 2658-2660. [LINK]

  12. Perfluoroaryltetrahedranes: Tetrahedranes with Extended σ-π Conjugation.
    M. Nakamoto, Y. Inagaki, M. Nishina, and A. Sekiguchi, J. Am. Chem. Soc., 2009, 131, 3172-3173. [LINK]

  13. Tetrasilacyclobutadiene and Cyclobutadiene Tricarbonylruthenium Complexes: η4-(tBu2MeSi)4Si4]Ru(CO)3 and [η4-(Me3Si)4C4]Ru(CO)3.
    K. Takanashi, V. Ya. Lee, and A. Sekiguchi, Organometallics, 2009, 28, 1248-1251. [LINK]

  14. Interaction of π-Bonds of the Silicon-Silicon Triple Bond with Alkali Metals: An Isolable Anion Radical upon Reduction of a Disilyne.
    A. Sekiguchi, R. Kinjo, and M. Ichinohe, Synthetic Metals (Special Issue: Super-Hierarchial Structure Synthetic Metals), 2009, 159, 773-775.

  15. Base-Free Molybdenum and Tungsten Bicyclic Silylene Complexes Stabilized by a Homoaromatic Contribution.
    K. Takanashi, V. Ya. Lee, T. Yokoyama, and A. Sekiguchi, J. Am. Chem. Soc, 2009, 131, 916-917. [LINK]

    2008

  16. Spiro[2,5-dibenzo-1,4-disilacyclohexa-2,5-diene-1,7'-2',5'-dibenzo-1',4',7-trisilanorbornadiene]: Unusual Dimerization of Silyl-substituted 9,10-Disila (Dewar Anthracene).
    N. Nakata, S. Masubuchi, and A. Sekiguchi, Phosphorus, Sulfur, Silicon Relat. Elem., 2008, in press.

  17. Reactivity of the Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) toward Silylcyanide: Two Pathways to form the Bis-Adduct [RSiSiR(CNSiMe3)2] with Some Silaketenimine Character and a 1,4-Diaza-2,3-disilabenzene Analogue
    Katsuhiko Takeuchi, Masaaki Ichinohe, and Akira Sekiguchi, J. Am. Chem. Soc, 2008, 130, 16848-16849. [LINK]

  18. A Free Silylium Ion: A Cyclotetrasilenylium Ion with Allylic Character.
    S. Inoue, M. Ichinohe, T. Yamaguchi, and A. Sekiguchi, Organometallics, 2008, 27, 6056-6058. [LINK]

  19. Silylcarbene-to-Silene Rearrangement: Stable 1,2-Dihydrosilenes in Solution via the Silylcarbene Route.
    H. Tanaka, M. Ichinohe, and A. Sekiguchi, Chem Lett., 2008, 37 1246-1247.

  20. A Stable Silagermene (tBu3Si)2Si=Ge(Mes)2 (Mes = 2,4,6-trimethylphenyl): Synthesis, X-ray Crystal Structure, and Thermal Isomerization.
    M. Igarashi, M. lchinohe, and A. Sekiguchi, Heteroatom Chem., 2008, 37, 649-653

  21. 1,3-Digerma-2-gallata- and -indataallenic Anions: The First Compounds with Ge=Ga or Ge=In Double Bonds.
    N. Nakata, R. Izumi, V. Ya. Lee, M. Ichinohe, and A. Sekiguchi, Chem Lett., 2008, 37, 1146-1147.

  22. An Isolable Boryl-substituted Disilene from the Reaction of an sp2-type Silyl Anion with Haloboranes: Synthesis and Characterization.
    S. Inoue, M. Ichinohe, and A. Sekiguchi, Chem. Lett., 2008, 37, 1044-1045.

  23. 1,2-Disilacyclobut-2-enes: Donor-free Four-Membered Cyclic Silenes from Reaction of Disilenides with Vinylbromides.
    I. Bejan, S. Inoue, M. Ichinohe, A. Sekiguchi, and D. Scheschkewitz, Chem. Eur. J., 2008, 7119-7122.

  24. Cyclic Polyenes of Heavy Group 14 Elements: New Generation Ligands for Transition Metal Complexes.
    V. Ya. Lee and A. Sekiguchi, Chem. Soc. Rev., 2008, 37 ,1652-1665 (Critical Review).

  25. Electronic Structure of Stable Radicals of the Heavy Group 14 Elements: UV-Photoelectron Spectroscopy Characterization.
    A. Chrostowska, A. Dargelos, A. Graciaa, P. Baylre, V. Ya. Lee, M. Nakamoto, and A. Sekiguchi, Organometallics, 2008, 27, 2915-2917. [LINK]

  26. The Isolable Cation-radical of Disilene: Synthesis, Characterization, and a Reversible One-electron Redox System.
    S. Inoue, M. Ichinohe, and A. Sekiguchi, J. Am. Chem. Soc., 2008, 130, 6078-6079. [LINK]

  27. Tetrakis(trimethylsilyl)cyclobutadiene Dianion Alkaline Earth Metal Salts: New Members of the 6π-Electron Aromatics Family.
    K. Takanashi, A. Inatomi, V. Ya. Lee, M. Nakamoto, M. Ichinohe, A. Sekiguchi, Eur. J. Inorg. Chem., 2008,1752-1755. [LINK]

  28. Isolable Alkali Metal-substituted Silyl Radicals (tBu2MeSi)2 SiM (M = Li, Na, K): Electronically and Sterically Accessible Planar Silyl Radicals.
    S. Inoue, M. Ichinohe, and A. Sekiguchi, Organometallics, 2008, 27, 1358-1360. [LINK]

  29. Isomeric Metamorphosis: Si3E (E = S, Se, and Te) Bicyclo[1.1.0]butane and Cyclobutene.
    V. Ya. Lee, S. Miyazaki, H.Yasuda, and A. Sekiguchi,J. Am. Chem. Soc., 2008, 130, 2758-2759. [LINK]

  30. Disilyne with a silicon-silicon triple bond: A new entry to multiple bond chemistry.
    A. Sekiguchi,Pure and Appl. Chem., 2008, 80, 447-457.

  31. Tri-tert-butylsilylsilylenes with Alkali Metal Substituents (tBu3Si)SiM (M = Li, K): Electronically and Sterically Accessible Triplet Ground States.
    A. Sekiguchi, T. Tanaka, M. Ichinohe, K. Akiyama, and P. P. Gaspar,J. Am. Chem. Soc., 2008, 130, 426-427. [LINK]

  32. Photochemical Reaction of Silyl-substituted 1,4-Disila(Dewar-benzene) with Isocyanide and Phenylacetylene.
    T. Oikawa, N. Nakata, T. Matsumoto, Y. Kabe, and A. Sekiguchi, Heteroatom Chem., 2008, 19, 87-92.

  33. Making Stable Radicals of Heavy Elements of Groups 14 and 13: The Might of Silyl Substitution (Highlight Review).
    V. Ya. Lee, M. Nakamoto, A. Sekiguchi, Chem. Lett., 2008, 37, 128-133.

    2007

  34. (η5-Cyclopentadienyl)(η4-tetrasila- and η4-trisilagermacyclobutadiene)cobalt: Sandwich Complexes Featuring Heavy Cyclobutadiene Ligands.
    K. Takanashi, V. Ya. Lee, M. Ichinohe, A. Sekiguchi, Eur. J. Inorg. Chem., 2007,5471-5474. [LINK]
    This paper was selected as a cover picture of European Journal of Inorganic Chemistry, No. 35, 2nd December Issue.

  35. Air-Stable Disilacyclopropene with a Si=C bond and Its Conversion to Disilacyclopropenylium Ion: Silicon-Carbon Hybrid 2π-Electron Systems.
    M. Igarashi, M. lchinohe, and A. Sekiguchi,J. Am. Chem. Soc.,2007, 129, 12660-12661. [LINK]

  36. Heavy Ferrocene: A Sandwich Complex Containing Si and Ge Atoms.
    V. Ya. Lee, R. Kato, A. Sekiguchi, A. Krapp, and G. Frenking,　J. Am. Chem. Soc., 2007, 129, 10340-10341. [LINK]

  37. 1,2,5,6-Tetrasilabenzobenzvalene: A Valence Isomer of 1,2,3,4-Tetrasilanaphthalene.
    K. Takanashi, V. Ya. Lee, M. Ichinohe, and A. Sekiguchi, Chem. Lett., 2007, 36, 1158-1159.

  38. Two-Coordinate Group 13 Element (Al, Ga) Centered Cations Formed by Silyl Group Migration: Synthesis and Characterization.
    M. Nakamoto, K. Shimizu, and A. Sekiguchi, Chem. Lett., 2007, 36, 984-985.

  39. Reactivity of a Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3 )] 2 ) toward π-Bonds: Stereospecific Addition and a New Route to an Isolable 1,2-Disilabenzene.
    R. Kinjo, M. Ichinohe, A. Sekiguchi, N. Takagi, M. Sumimoto, and S. Nagase, J. Am. Chem. Soc., 2007, 129, 7766-7767. [LINK]

  40. Isolable Silylene Anion Radical: Structural Characteristics in the Solid State and in Solution.
    S. Inoue, M. Ichinohe, and A. Sekiguchi, J. Am. Chem. Soc., 2007, 129, 6096-6097. [LINK]

  41. Thia- and Selenasilaboriranes, and 1,3,2,4-Dioxasilaboretane from a Stable Silaborene.
    N. Nakata and A. Sekiguchi, Chem. Lett., 2007, 36, 662-663. [LINK]

  42. Stable Silyl-, Germyl- and Stannyl Cations, Radicals and Anions: Heavy Versions of Carbocations, Carbon Radicals, and Carbanions.
    V. Ya. Lee and A. Sekiguchi, Acc. Chem. Res., 2007, 40, 410-419. [LINK]

  43. Aromaticity of Group 14 Organometallics: Experimental Aspects.
    V.Ya. Lee and A. Sekiguchi, Angew. Chem. Int. Ed., 2007, 46, 6596-6620. [LINK]

  44. Stable Cyclic Silenes from Reaction of Disinides with Carboxylic Acid Chlorides.
    I. Bejan, D. Guclu, S. Inoue, M. Ichinohe, A. Sekiguchi, and D. Scheschkewitz, Angew. Chem. Int. Ed., 2007, 46, 3349-3352. [LINK]

  45. Conversion of a Disilenide into q Silene: Silyl Anion-substituted Silene by a Sila-Peterson-Type Reaction from an sp2-Type Silyl Anion.
    S. Inoue, M. Ichinohe, and A. Sekiguchi, Angew. Chem. Int. Ed., 2007, 46, 3346-3348. [LINK]

  46. Interplay of EnE'3-nC Valence Isomers (E, E' = Si, Ge): Bicyclo[1.1.0]butanes with Very Short Bridging Bonds and Their Isomerization to Alkyl-substituted Cyclopropenes.
    V. Ya. Lee, H. Yasuda, and A. Sekiguchi, J. Am. Chem. Soc., 2007, 129, 2436-2437. [LINK]

  47. Heavy Analogues of the 6π-Electron Anionic Ring Systems: Cyclopentadienide Ion and Cyclobutadiene Dianion.
    V. Ya. Lee,K. Takanashi, R.Kato, T. Matsuno, M. Ichinohe, and A. Sekiguchi, J. Organomet. Chem., 2007, 692, 2800-2810.

  48. An Isolable Disilyne Anion Radical and a New Route to the Disilenide Ion upon Reduction of a Disilyne.
    R. Kinjo, M. Ichinohe, and A. Sekiguchi,  J. Am. Chem. Soc.,  2007, 129 26-27. [LINK]

  49. Heavy Cyclopropene Analogues R4SiGe2 and R4Ge3 (R = SiMetBu2) New Members of the Cyclic Digermenes Family.
    V. Ya. Lee, H. Yasuda, M. Ichinohe, abd A. Sekiguchi, J. Organomet. Chem. ,  2007, 692, 10-19.

    2006

  50. A Stable Schrock-type Hafnium-Silylene Complex.
    N. Nakata, T. Fujita, and A. Sekiguchi,  J. Am. Chem. Soc.,  2006, 128, 16024-16025. [LINK]

  51. Dilithium 1,4-Disilacyclohexa-2,5-diene-1,4-diide by the Reduction of 1,4-Disilabicyclo[2.2.0]hexa-2,5-diene: Synthesis and Characterization.
    N. Nakata, T. Oikawa, T. Matsumoto, Y. Kabe, and A. Sekiguchi,  Organometallics,  2006, 25, 5850-5851. [LINK]

  52. A Solid-State 29Si NMR Study of RSiSiR - A Tool for Analyzing the Nature of the Si-Si Bond.
    V. Kravchenko, R. Kinjo, A. Sekiguchi, M. Ichinohe, R.West, Y. S. Balazs, A. Schmidt, M. Karni, and Y. Apeloig, J. Am. Chem. Soc.,  2006, 128 14472-14473. [LINK]

  53. (tBu2MeSi)2Sn=Sn(SiMetBu2)2: A Distannene with a >Sn=Sn< Double Bond That in Stable Both in the Solid State and in Solution.
    V. Ya. Lee, T. Fukawa, M. Nakamoto, A. Sekiguchi, B. L. Tumanskii, M. Karni, and Y. Apeloig, J. Am. Chem. Soc.,  2006, 128, 11643-11651. [LINK]

  54. Doubly Charged Four-Membered Ring Systems: Cyclobutadiene Dianions and Heavy Cyclobutadiene Dianions (Account).
    A. Sekiguchi and T. Matsuo, Synlett.,  2006,  2683-2698.

  55. Comment on Disproving a Silicon Analog of an Alkyne with the Aid of Topological Analyses of the Electronic Structure and Ab Initio Molecular Dynamics Calculations.
    G. Frenking, A. Krapp, S. Nagase, N. Takagi, and A. Sekiguchi, Chem. Phys. Chem.,  2006, 7, 799 -800.

  56. A (Tetrasilacyclobutadiene)tricarbonyliron complex [hapt4-(tBu2MeSi)4Si4]Fe(CO)3: The Silicon Cousin of Pettit (Cyclobutadiene)tricarbonyliron complex (hapt4-H4C4)Fe(CO)3.
    K. Takanashi, V. Ya. Lee, M. Ichinohe, and A.Sekiguchi, Angew. Chem. Int. Ed.,  2006, 45, 3269-3272. [LINK]

  57. A Stable Silaborene: Synthesis and Characterization
    N. Nakata and A. Sekiguchi, J. Am. Chem. Soc.,  2006, 128, 422-423. [LINK]

  58. The Chemistry of Disilyne with a Genuine Si-Si Triple Bond: Synthesis, Structure, and Reactivity.
    A. Sekiguchi, M. Ichinohe, and R. Kinjo, Bull. Chem. Soc. Jpn.,  2006, 79, 825-832. [LINK}

    2005

  59. Tetrasila-1,3-butadiene and its transformation to disilenyl anions.
    M. Ichinohe, K. Sanuki, S. Inoue, and A. Sekiguchi, Silicon Chemistry,  2005, 3, 111-116.

  60. Disilenyl Anions Derived from Reduction of Tetrakis(di-tert-butylmethylsilyl)disilene with Metal Naphthalenide through Disilene Dianion Intermediate: Synthesis and Characterization.
    S. Inoue, M. Ichinohe, and A.Sekiguchi, Chem. Lett.,  2005, 34, 1564-1565. [LINK]

  61. The Heavy Analogue of CpLi: Lithium 1,2-Disila-3-germacyclopentadienide, a 6pi-Electron Aromatic System.
    V. Ya. Lee, R. Kato, M. Ichinohe, and Akira Sekiguchi, J. Am. Chem. Soc.,  2005, 127, 13142-13143. [LINK]

  62. SiGe2 and Ge3: Cyclic Digermenes that Undergo Unexpected Ring-Expansion reactions.
    V. Ya. Lee, H. Yasuda, M. Ichinohe, and A. Sekiguchi, Angew. Chem. Int. Ed.,  2005, 44, 6378-6381. [LINK]

  63. Hexakis(trimethylsilyl)tetrahedranyltetrahedrane.
    M. Tanaka and A. Sekiguchi, Angew. Chem. Int. Ed.,  2005, 44, 5821-5823. [LINK]

  64. Cyclotrisilenylium Ion: The Persilaaromatic Compound.
    M. Ichinohe, M. Igarashi, K. Sanuki, and A. Sekiguchi, J. Am. Chem. Soc.,  2005, 127, 9978 - 9979. [LINK]

  65. Silyl Substituted 1,4-Disila(Dewar benzene): New Synthesis and Unexpected Insertion of CO into the Si-Si Bond To Form a Disilyl Ketone.
    N. Nakata, T. Oikawa, T. Matsumoto, Y. Kabe, and A. Sekiguchi, Organometallics,  2005, 24,  3368 - 3370. [LINK]

  66. Stable Mononuclear Radical Anions of Heavier Group 13 Elements: [ (tBu2MeSi)3E-][K+(2.2.2-Cryptand)] (E = Al, Ga).
    M. Nakamoto, T. Yamasaki, and A. Sekiguchi, J. Am. Chem. Soc.,  2005, 127, 6954 - 6955. [LINK]

  67. Tetrasilacyclobutadiene (tBu2MeSi)4Si4: A New Ligand for Transition Metal Complexes.
    K. Takanashi, V. Ya. Lee, T. Matsuno, M. Ichinohe, and A. Sekiguchi, J. Am. Chem. Soc.,  2005, 127, 5768 - 5769. [LINK]

  68. Computational Study of Tetrasilylcyclobutadiene Dianion and its Dilithium Salt. 6e-6c Three Dimensional Aromaticity.
    B. A. Shainyan, A. Sekiguchi, Theochem.,  2005, 728, 1 - 5.

  69. Si-, Ge- and Sn-centered Free Radicals: From Phantom Species to Grams-Order-Scale Materials.
    V. Ya. Lee and A. Sekiguchi, Eur. J. Inorg. Chem., 2005, 1209-1222. [LINK] [see Cover Picture]

  70. Reaction of Dilithiosilane R2SiLi2 and -germane R2GeLi2 (R = SiMetBu2) with MesBCl2 (Mes = 2,4,6-trimethylphenyl): Evidence for the Formation of Silaborene R2Si=BMes and Germaborene R2Ge=BMes
    N. Nakata, R. Izumi, V. Ya. Lee, M. Ichinohe, and A. Sekiguchi, Chem. Lett., 2005, 34, 582-583. [LINK]

    2004

  71. The First Bicyclo[1.1.0]butane Dianion of Heavier Group 14 Elements.
    V. Ya. Lee, K. Takanashi, M.Ichinohe, and A. Sekiguchi, Angew. Chem., Int. Ed., 2004, 43, 6703-6705.

  72. Photochemical Generation of Halo(silyl)silylene: Spectroscopic Observation and Reactivity.
    T. Tanaka, M. Ichinohe, and A. Sekiguchi, Chem. Lett., 2004, 33, 1420-1421.

  73. Tetrakis(di-tert-butylmethylsilyl)distannene and Its Anion-Radical.
    T. Fukawa, V. Ya. Lee, M. Nakamoto, and A. Sekiguchi, J. Am. Chem. Soc. 2004, 126, 11758-11759. [LINK]

  74. A Stable Compound Containing a Silicon-Silicon Triple Bond.
    A. Sekiguchi, R. Kinjo, and M. Ichinohe, Science, 2004, 305, 1755-1757. [LINK]

  75. 1,6,7-Trigermabicyclo[4.1.0]hept-3-en-7-yl: The Isolable Bicyclic Germyl Radical.
    Y. Ishida, A. Sekiguchi, K. Kobayashi, and S. Nagase, Organometallics, 2004, 23, 4891-4896. [LINK]

  76. Tetrasilyl-Substituted Cyclobutadiene Dianion Dilithium: Synthesis and Structure.
    A. Sekiguchi, T. Matsuo, M. Tanaka, H. Watanabe, and M. Nakamoto,Russ. Chem. Bull., 2004, 1065-1071.

  77. 3D-1,2,3,4-Disilagermastannetene: The First Cyclic Germastannene.
    V. Ya. Lee, K. Takanashi, A. Sekiguchi, and M. Nakamoto, Russ. Chem. Bull., 2004, 1058-1060.

  78. The Isolable Anion Radical of Blue Disilene (tBu2MeSi)2Si=Si(SiMetBu2)2 Formed upon One Electron Reduction: Synthesis and Characterization.
    A. Sekiguchi, S. Inoue, M. Ichinohe, and Y. Arai, J. Am. Chem. Soc., 2004, 126 (31), 9626-9629. [LINK]

  79. Reduction of Tetrakis(trimethylsilyl)butatriene by Lithium: Monomeric and Dimeric Structures of the Dilithium Butatriene Dianion.
    A. Sekiguchi, M. Tanaka, and T. Matsuo, Silicon Chemistry, 2004, 1, 345-350.

  80. Disilenyllithium from Tetrasila-1,3-butadiene: A Silicon Analogue of a Vinyllithium
    M. Ichinohe, K. Sanuki, S. Inoue, and A. Sekiguchi, Organometallics, 2004, 23 (13), 3088-3090. [LINK]

  81. Heteronuclear Heavy Alkenes E=E' (E, E' = Group 14 Elements): Germasilenes, Silastannenes, Germastannenes Next Stop?
    V. Ya. Lee and A. Sekiguchi, Organometallics, 2004, 23 (12), 2822-2834. [LINK]

  82. 1,3-Disila-2-gallata- and -indataalleneic Anions [>Si=M=Si<]- Li+ (M = Ga, In): Compounds Featuring Double Bonds Between Elements of Groups 13 and 14.
    N. Nakata, R.Izumi, V. Ya. Lee, M. Ichinohe, and A. Sekiguchi, J. Am. Chem. Soc., 2004, 126, 5058-5059. [LINK]

  83. Cyclobutadiene Dianions Consisting of Heavier Group 14 Elements: Synthesis and Characterization.
    V. Ya. Lee, K. Takanashi, T. Matsuno, M. Ichinohe, and A.Sekiguchi, J. Am. Chem. Soc., 2004, 126, 4758-4759. [LINK]

  84. The Structural Diversity of Tris[di-tert-butyl(methyl)silyl]stannyl Anion: Monomeric vs. Dimeric, Lithium-Coordinated vs Lithium-Free.
    T. Fukawa, M. Nakamoto, V. Ya. Lee, and A. Sekiguchi, Organometallics, 2004, 23 (10)2376-2381. [LINK]

  85. Silylium Ions Stabilized by an Si-X-Si Three-center Bond (X = Halogen or Hydrogen).
    A. Sekiguchi, Y. Murakami, N. Fukaya, and Y. Kabe, Chem. Lett., 2004, 33, 530-531.

  86. Unexpected Hydrolithiation of the M=M' Double Bond (M, M' = Si, Ge) with tBuLi.
    V.Ya. Lee and A. Sekiguchi, Chem. Lett., 2004, 33, 84-85.

  87. Cyclobutadiene Dianion (Award Accounts).
    T. Matsuo and A. Sekiguchi, Bull. Chem. Soc. Jpn., 2004, 77, 211-226.

  88. Silylium Ion to Silylium Ion Rearrangement Caused by 1,3-Methyl Migration.
    M. Nakamoto, T. Fukawa, and A. Sekiguchi, Chem. Lett. 2004, 33, 38-39.

    2003

  89. Disilagermirenes: Heavy cyclopropenes of Si and Ge atoms.
    V. Ya. Lee, M. Ichinohe, and A. Sekiguchi, J. Organomet. Chem., 2003, 685, 168-176.

  90. Tetrasilatetrahedranide: The First Silicon Cage Anion.
    M. Ichinohe, M. Toyoshima, R. Kinjo, and A. Sekiguchi,J. Am. Chem. Soc., 2003, 125 (44) 13328-13329 . [LINK]

  91. The First Stable Methyl-Substituted Disilene: Synthesis, Crystal Structure and Regiospecific MeLi Addition.
    M. Ichinohe, R. Kinjo, and A. Sekiguchi, Organometallics, 2003, 22 (24), 4621-4623. [LINK]

  92. Tetrahedranyllithium: Synthesis, Characterization, and Reactivity.
    A. Sekiguchi and M. Tanaka, J. Am. Chem. Soc., 2003, 125 (42), 12684 - 12685. [LINK]

  93. The 1,4,5-Trigermabicyclo[2.1.0]pent-2-en-5-ylium: The Isolable Bishomocyclopropenylium Ion Containing Heavier Group 14 Element.
    Y. Ishida, A. Sekiguchi, and Y. Kabe, J. Am. Chem. Soc., 2003, 12511468 - 11469. [LINK]

  94. Reduction of Tetrakis(trimethylsilyl)butatriene by Lithium: Monomeric and Dimeric Structures of the Dilithium Butatriene Dianion.
    A. Sekiguchi, M. Tanaka, and T. Matsuo, Silicon Chemistry, 2003, in press.

  95. Tin-Centered Radical and Cation: Stable and Free.
    A. Sekiguchi, T. Fukawa, V. Ya. Lee, and M. Nakamoto, J. Am. Chem. Soc., 2003, 125, 9250-9251. [LINK]

  96. Photochemical isomerization of 1,2,5-trisilabicyclo-[3.2.0]hepta-3,6-diene to 1,4,7-trisilabicyclo[2.2.1]hepta-2,5-diene.
    T. Matsuno, M.Ichinohe, and A. Sekiguchi, Chem. Commun., 2003, 1200-1201. [LINK]

  97. Bis(tri-tert-butylsilyl)silylene: Triplet Ground State Silylene.
    A. Sekiguchi, T. Tanaka, M. Ichinohe, K. Akiyama, and S. Tero-Kubota, J. Am. Chem. Soc., 2003, 125, 4962-4963. [LINK]

  98. R2Ge=SnR'2 and RR'Ge=SnRR' (R = SiMetBu2, R' = 2,4,6-iPr3C6H2) : The New Stable Germastannenes.
    A. Sekiguchi, R. Izumi, V. Ya. Lee, and M. Ichinohe Organometallics, 2003, 22, 1483-1486. [LINK]

  99. A Chemical Trick: How to Make a Digermene from a Disilene, Formation of 3delta-1,2,3,4- Disiladigermetene.
    V. Ya. Lee, K. Takanashi, M. Ichinohe, and A. Sekiguchi, J. Am. Chem. Soc., 2003, 125, 6012 - 6013. [LINK]

  100. (tBu2MeSi)3Ge+: An Isolable Free Germyl Cation Lacking Conjugation to pai-Bonds.
    A. Sekiguchi, T. Fukawa, V. Ya. Lee, M. Nakamoto, and M. Ichinohe Angew. Chem., Int. Ed., 2003, 43, 1143-1145. [LINK]

  101. Heavy Cyclopropenes of Si, Ge, and Sn - A New Challenge in the Chemistry of Group 14 Elements
    A. Sekiguchi and V. Ya. Lee Chem. Rev., 2003, 103, 1429 - 1448. [LINK]

    2002

  102. Nearly Planar Non-Solvated Monomeric Silyl- and Germyllithiums as a Result of Intramolecular CH-Li Agostic Interaction.
    M. Nakamoto, T. Fukawa, V. Ya. Lee, and A. Sekiguchi J. Am. Chem. Soc., 2002, 124,15160-15161. [LINK]

  103. The First Silastannene >Si=Sn<: A New Doubly-Bonded System of Heavier Group 14 Elements.
    A. Sekiguchi, R. Izumi, V. Ya. Lee, and M. Ichinohe J. Am. Chem. Soc., 2002, 124, 14822-14823. [LINK]

  104. Reaction of Bis[bis(trimethylsilyl)methyl]germylene with Tris(4-tert-butylphenyl)methylium Ion: Formation of a Unique Germyl Cation Weakly sigma-Coordinated to Aromatic Group.
    M. Ichinohe, Y. Hayata, and A. Sekiguchi. Chem. Lett., 2002, 1054-1055. [LINK]

  105. Tetrakis(trimethylsilyl)tetrahedrane
    G. Maier, J. Neudert, O. Wolf, D. Pappusch, A. Sekiguchi, M. Tanaka, and T. Matsuo. J. Am. Chem. Soc., 2002, 124, 13819-13826. [LINK]

  106. 2,4-Disila-1-germatricyclo[2.1.0.02,5]pentane: A New Type Cage Compound of Group 14 Elements with an Extremely Long Ge-C Bridge Bond and an "Umbrella"-Type Configuration of a Ge Atom.
    V. Ya. Lee, M. Ichinohe, and A. Sekiguchi. J. Am. Chem. Soc., 2002, 124, 9962-9963. [LINK]

  107. Photochemical Generation of Chlorine-Substituted Digermenes and Their Rearrangement to Germylgermylenes.
    N. Fukaya, H.Sekiyama, M. Ichinohe, and A. Sekiguchi. Chem. Lett., 2002, 802-803. [LINK]

  108. Isolable Silyl and Germyl Radicals Lacking Conjugation with pai-Bonds: Synthesis, Characterization, and Reactivity
    A. Sekiguchi, T. Fukawa, M. Nakamoto, V. Ya. Lee, M. Ichinohe J. Am. Chem. Soc. , 2002, 124, 9865-9869. [LINK]

  109. The Cation Cluster of Heavier Group 14 Elements: A Free Germyl Cation with Trishomoaromatisity
    A. Sekiguchi; Y. Ishida; Y. Kabe; M. Ichinohe. J. Am. Chem. Soc. , 2002, 124, 8766-8767. [LINK]

  110. Cyclotetrasilenide Ion: A Reversible Redox System of Cyclotetrasilenyl Cation, Radical, and Anion.
    T. Matsuno; M. Ichinohe; A. Sekiguchi. Angew. Chem. Int. Ed., 2002, 41, 1575-1577. [LINK]

  111. The First Isolable 1,1-Dilithiogermane and its Unusual Dimeric Structure - a New Effective Reagent for the Preparation of Doubly-Bonded Derivatives of Group 14 Elements.
    A. Sekiguchi; R. Izumi; S. Ihara; M. Ichinohe; V. Ya. Lee. Angew. Chem. Int. Ed., 2002, 41, 1598-1600. [LINK]

  112. On the Nature of the Aromaticity of the Cyclobutadiene Dianion: Structural Characteristics and Magnetic Properties.
    A. Sekiguchi; T. Matsuo; M. Tanaka. Organometallics , 2002, 21, 1072-1076. [LINK]

  113. The First Halogen-Substituted Cyclotrigermenes: A Unique Halogen Walk over the Three Membered Ring Skeleton and Facial Stereoselectivity in the Diels-Alder Reaction.
    A. Sekiguchi; Y. Ishida; N. Fukaya; M. Ichinohe; N. Takagi; S. Nagase. J. Am. Chem. Soc. , 2002, 124, 1158-1159. [LINK]

  114. Interaction of 1-Disilagermirene with Carbonyl Compounds.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. Main Group Met. Chem. 2002, 25, 1-4.

    2001

  115. Cyclotetrasilenyl: The First Isolable Silyl Radical.
    A. Sekiguchi; T. Matsuno; M. Ichinohe J. Am. Chem. Soc. 2001, 123, 12436-12437. [LINK]

  116. Reaction of Disilagermirenes with Phenylacetylene: From a Germasilene -Ge=Si- to a Metalladiene of the Type -Si=Ge-C=C.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. J. Organomet. Chem. 2001, 636, 41-48. [LINK]

  117. A New Pathway in the Reaction of Disilene with Carbonyl Compounds: an "Ene" Reaction instead of Cycloaddition.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. Chem. Commun. 2001, 2146-2147. [LINK]

  118. Photoisomerization of Persilyl-Substituted Silacyclopropene: Formation of Stable Persilyl Substituted 1-Silaallene, and Its Reactivity.
    M. Ichinohe; T. Tanaka; A. Sekiguchi. Chem. Lett. 2001, 1074-1075.

  119. A New Approach to the Synthesis of Unsymmetrical Disilenes and Germasilene: Unusual 29Si NMR Chemical Shifts and Regiospecific Methanol Addition
    M. Ichinohe; Y. Arai; A. Sekiguchi; N. Takagi; S. Nagase. Organometallics 2001, 20, 4141-4143. [LINK]

  120. Ring Constraction of 1,2-Digermacyclohexa-1,4-diene to (Germacyclopent-3-enyl)germylene.
    N. Fukaya; M. Ichinohe; Y. Kabe; A. Sekiguchi. Organometallics 2001, 20, 3364-3366. [LINK]

  121. Observation of the Predicted Negative Faraday A MCD Term in a Cyclobutadiene Dianion.
    K. Ishii; N. Kobayashi; T. Matsuo; M. Tanaka; A. Sekiguchi. J. Am. Chem. Soc. 2001, 123, 5356-5357. [LINK]

  122. Dynamics of the Excited State of Polysilane Dendrimers: Origina of the Broad Visible Emission of Branched Silicon Chains.
    A. Watanabe; M. Nanjo, T. Sunaga, A. Sekiguchi. J. Phys. Chem. A. 2001, 105, 6436-6442. [LINK]

  123. Interconversion of Cyclotrimetallenes and Dihalocyclotrimetallanes Consisting of Group 14 Elements.
    V. Ya. Lee; T. Matsuno; M. Ichinohe; A. Sekiguchi. Heteroatom Chem. 2001, 12, 223-226. [LINK]

  124. Reaction of 1-Disilagermirene with Benzaldehyde: An Unexpected Combination of Cycloaddition and Insertion Pathways.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. Chem. Lett. 2001, 728-729. [LINK]

  125. From a Cyclobutadiene Dianion to a Cyclobutadiene : Synthesis and Structural Characterzation of Tetrasilyl-Substituted Cyclobutadiene.
    A. Sekiguchi; M. Tanaka; T. Matsuo; H. Watanabe. Angew. Chem., Int. Ed. 2001, 40, 1675-1677. [LINK]

  126. Isolation and Characterization of the Monomeric and Dimeric Structures of Tetrakis(trimethylsilyl)butatriene Dianion Dilithium
    T. Matsuo, M. Tanaka and A. Sekiguchi Chem. Commun. 2001, 503-504. [LINK]

  127. Reaction of Cyclotrisilene with Phenylacetylene: an Unusual Product with a Bicyclo[3.2.0]hepta-3,6-diene Skeleton.
    M. Ichinohe; T. Matsuno; A. Sekiguchi Chem. Commun. 2001, 183-184. [LINK]

  128. Disilagermirene and Silagermasilirene: from a Stable Disilene to a Stable Germasilene.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. Phosphorus, Sulfur Silicon Relat. Elem.. 2001, 168, 169-172.

    2000

  129. The First Metalladiene of Group 14 Elements with a Silole-Type Structure with Si=Ge and C=C Double Bonds.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi. J. Am. Chem. Soc. 2000, 122, 12604-12605. [LINK]

  130. New fused bicyclic cyclotrigermanes from cycloaddition reactions of cyclotrigermene.
    N. Fukaya; M. Ichinohe; A. Sekiguchi. Angew. Chem., Int. Ed. 2000, 39, 3881-3884. [LINK]

  131. Stable Aromatic Compounds Containing Heavier Group 14 Elements.
    V. Ya. Lee; A. Sekiguchi; M. Ichinohe; N. Fukaya. J. Organomet. Chem. 2000, 611, 228-235. [LINK]

  132. The Homocyclotrisilenylium Ion: A Free Silyl Cation in the Condensed Phase.
    A. Sekiguchi; T. Matsuno; M. Ichinohe. J. Am. Chem. Soc. 2000, 122, 11250-11251. [LINK]

  133. Synthesis and Reduction of Silyl-Substituted [5]Radialene. Characterization and Structure of a [5]Radialene Tetraanion with a Ten-Center, Fourteen-Electron pai-System.
    T. Matsuo; H. Fure; A. Sekiguchi. Bull. Chem. Soc. Jpn. 2000, 73, 2129-2137.

  134. The First Three-Membered Unsaturated Rings Consisting of Different Heavier Group 14 Elements: 1-Disilagermirene with a Si=Si Double Bond and Its Isomerization to a 2-Disilagermirene with a Si=Ge Double Bond.
    V. Ya. Lee; M. Ichinohe; A. Sekiguchi; N. Takagi; S. Nagase. J. Am. Chem. Soc. 2000, 122, 9034-9035. [LINK]

  135. Synthesis and Molecular Structure of a Dilithium Salt of the cis-Diphenylcyclobutadiene Dianion.
    T. Matsuo; T. Mizue; A. Sekiguchi. Chem. Lett. 2000, 896-897. [LINK]

  136. A Novel Tetralithium Salt of a Tetraanion and a Dilithium Salt of a Dianion, Formed by the Reduction of the Tetrasilylethylene Moiety. Synthesis, Characterization, and Observation of an Si-HI(I%%%Li+ Interaction.
    T. Matsuo; H. Watanabe; A. Sekiguchi. Bull. Chem. Soc. Jpn. 2000, 73, 1461-1467.

  137. On the Role of cis,trans-(t-Bu3SiGeCl)3 in the Reaction of GeCl2. Dioxane with Tri-tert-butylsilylsodium: Evidence for Existence of Digermanylsodium t-Bu3SiGe(Cl)2Ge(Cl)(Na)Sit-Bu3 and Digermene t-Bu3Si(Cl)Ge=Ge(Cl)Sit-Bu3.
    M. Ichinohe; H. Sekiyama; N. Fukaya; A. Sekiguchi. J. Am. Chem. Soc. 2000, 122, 6781-6782. [LINK]

  138. Synthesis of tBu3E+ Nitrile Complexes by Oxidative Ceavage of tBu3E-EtBu3 (E = Si,Ge, Sn).
    M. Ichinohe; H. Fukui; A. Sekiguchi. Chem. Lett. 2000, 600-601.

  139. Synthesis and Structure of Cyclotrigermenium Salts of Tetrakis{3,5-bis(trifluoromethyl)phenyl}borate, Tetrakis(pentafluorophenyl)borate, and Tetrakis{4-[tert-butyl(dimethyl)silyl]-2,3,5,6-tetrafluorophenyl}borate: A Stable Free Germyl Cation in the Condensed Phase.
    A. Sekiguchi; N. Fukaya; M. Ichinohe; Y.Ishida. Eur. J. Inorg. Chem. 2000, 1155-1159. [LINK]

  140. Synthesis and Characterization of a Cyclobutadiene Dianion Dilithium Salt: Evidence for Aromaticity.
    A. Sekiguchi; T. Matsuo; H. Watanabe. J. Am. Chem. Soc. 2000, 122, 5652-5653. [LINK]

    1999

  141. Reduction of the 1,4,5,8-Tetrasila-1,4,5,8-tetrahydroanthracene Derivative with Lithium Metal. Isolation and Characterization of the Tetralithium Salt of a Tetraanion, and Observation of an Si-H I(I%%%Li+ Interaction.
    T. Matsuo; H. Watanabe; M. Ichinohe; A. Sekiguchi. Inorg. Chem. Commun. 1999, 2, 510-512. [LINK]

  142. Synthesis of Unsymmetrically Substituted Cyclotrigermenes and the First Example of Cis Configuration around the Ge=Ge Double Bond.
    A. Sekiguchi; N. Fukaya; M. Ichinohe; N. Takagi; S. Nagase. J. Am. Chem. Soc. 1999, 121, 11587-11588. [LINK]

  143. Cyclotrigermenium Ion by Oxidation of Cyclotrigermene with Trityl Tetrakis {3,5-bis(trifluoromethyl)phenyl}borate and Trityl Tetrakis(pentafluorophenyl)borate. A Stable Free Germyl Cation in the Condensed Phase.
    A. Sekiguchi; N. Fukaya; M. Ichinohe. Phosphorus, Sulfur Silicon Relat. Elem. 1999, 150-151, 59-68.

  144. An Unexpected Reaction of Silacyclopropene To Form an Organodilithiosilane: Isolation and Characterization of a 1,1-Dilithiosilane Derivative.
    A. Sekiguchi; M. Ichinohe; S.Yamaguchi. J. Am. Chem. Soc. 1999, 121, 10231-10232. [LINK]

  145. Isolation and Characterization of the Tetralithium Salt of [5]Radialene Tetraanion Stabilized by Silyl Groups.
    T. Matsuo; H. Fure; A. Sekiguchi. Chem. Commun. 1999, 1981-1982. [LINK]

  146. Silylacetylene Dendrimers: Synthesis and Characterization.
    T. Matsuo; K. Uchida; A. Sekiguchi. Chem. Commun. 1999, 1799-1800. [LINK]

  147. Synthesis, Characterization, and Crystal Structure of Cyclotrisilene: a Three-membered Ring Compound with a SiSi Double Bond.
    M. Ichinohe; T. Matsuno; A. Sekiguchi. Angew. Chem., Int. Ed. 1999, 38, 2194-2196. [LINK]

  148. Syntheses of Dialkali Metal Complexes of Tetrakis(dimethylsilyl)ethylene: [(HMe2Si)2C=C(SiMe2H)2]2-[M+(ligand)n]2. Evidence for SiH-Alkali Metal Agostic Interactions.
    M. Ichinohe; A. Sekiguchi; M. Takahashi; H. Sakurai. Bull. Chem. Soc. Jpn. 1999, 72, 1905-1910.

  149. Formation and Structure of Protonated Tetrasilatetrahedrane-Monooxide, (tert-Bu3Si)4Si4OH+.
    M. Ichinohe; N. Takahashi; A. Sekiguchi. Chem. Lett. 1999, 553-554.

  150. Silyl-Substituted Dilithium Salt of Fulvene Dianion with 6 Center/8 Electron pai-System: Synthesis and Characterization.
    T. Matsuo; A. Sekiguchi; H. Sakurai. Bull. Chem. Soc. Jpn. 1999, 72, 1115-1121.

  151. Crystal Structures of Unsolvated Lithiosilanes with Si-Si Bonds.
    M. Nanjo; A. Sekiguchi; H. Sakurai. Bull. Chem. Soc. Jpn. 1999, 72, 1387-1393.

  152. Crystal Structures of the First Generation of Phenyl-Substituted and Permethyl-Substituted Dendritic Polysilanes.
    M. Nanjo; T. Sunaga; A. Sekiguchi; E. Horn. Inorg. Chem. Commun. 1999, 2, 203-206. [LINK]

    1998

  153. Isolation and Molecular Structure of Persilylated [5]Radialene: Intramolecular Cyclization of a Macrocyclic Pentayne with Mn(CO)3(Me-Cp).
    T. Matsuo; H. Fure; A. Sekiguchi. Chem. Lett. 1998, 1101-1102.

  154. Synthesis and Structure of Cyclotrigermenium Salt of the Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate Anion. A Stable Free Germyl Cation in the Condensed Phase.
    M. Ichinohe; N. Fukaya; A. Sekiguchi. Chem. Lett. 1998, 1045-1046.

  155. Synthesis and Reduction of Octasilyl[4]radialene. Structure and Dynamic Study of [4]Radialene Dianion with Eight-center Ten-electron pai-electron System.
    T. Matsuo; A. Sekiguchi; M. Ichinohe; K. Ebata; H. Sakurai. Bull. Chem. Soc. Jpn. 1998, 71, 1705-1711.

  156. Synthesis and Characterization of the Dilithium Salt of the Octasilyl[4]radialene Dianion: Evidence for a Lithium Walk on the Eight-center, Ten-electron pai-Electron System.
    A. Sekiguchi; T. Matsuo; H. Sakurai. Angew. Chem., Int. Ed. 1998, 37, 1661-1664. [LINK]

  157. The First Isolation and Full Characterization of Fulvene Dianion. Synthesis and X-ray Structure of Dilithium Hexasilylfulvene Dianion.
    T. Matsuo; A. Sekiguchi; M. Ichinohe; K. Ebata; H. Sakurai. Organometallics 1998, 17, 3143-3145. [LINK]

  158. Lithiosilanes with Si-Si bonds: Synthesis and 6Li, 7Li, and 29Si NMR Studies.
    M. Nanjo; A. Sekiguchi; H. Sakurai. Bull. Chem. Soc. Jpn. 1998, 71, 741-747.

  159. Group-14-Element-Based Hybrid Dendrimers. Synthesis and Characterization of Dendrimers with Alternating Si and Ge Atoms in the Chains.
    M. Nanjo; A. Sekiguch. Organometallics 1998, 17, 492-494. [LINK]

  160. Tetraanion Tetralithium with 8 Center/12 Electron pai-System Stabilized by Silyl Groups. Synthesis and Characterization.
    A. Sekiguchi; T. Matsuo; R. Akaba. Bull. Chem. Soc. Jpn. 1998, 71, 41-47.

    1997

  161. Cyclotrigermenium Ion, a Free Germyl Cation with 2 pai-Electron System.
    A. Sekiguchi; M. Tsukamoto; M. Ichinohe; N. Fukaya. Phosphorus, Sulfur Silicon Relat. Elem. 1997, 124-125, 323-329.

  162. A Supercharged Anion with a Silyl-Substituted Eight-center, Twelve-electron pai System: Synthesis and Characterization of the Tetralithium Salt of an Octasilyl-substituted Trimethylenecyclopentene Tetraanion.
    A. Sekiguchi; T. Matsuo; C. Kabuto. Angew. Chem., Int. Ed. 1997, 36, 2462-2464.

  163. 1,1,2,2-Tetrakis(dimethylsilyl)-1,2-ethanediyldilithium-bis(diethyl ether): Observation of a SiH-Li Agostic Interaction.
    A. Sekiguchi; M. Ichinohe; M. Takahashi; C. Kabuto; H. Sakurai. Angew. Chem., Int. Ed. 1997, 36, 1533-1534.

  164. [Me(PhMe2Si)2SiLi] and [Ph(Me3Si)2SiLi]: preparation, characterization, and evidence for an intramolecular Li-Ph interaction.
    A. Sekiguchi; M. Nanjo; C. Kabuto; H. Sakurai. Angew. Chem., Int. Ed. 1997, 36, 113-115.

  165. A Free Cyclotrigermenium Cation with a 2 pai-Electron System.
    A. Sekiguchi; M. Tsukamoto; M. Ichinohe. Science 1997, 275, 60-61.

  166. Persilylated Dimethylenecyclobutene Dianion Dilithium as the First 6C-8 pai Allyl Anion System.
    A. Sekiguchi; T. Matsuo; K. Ebata; H. Sakurai. Chem. Lett. 1996, 1133-1134.

著書（1997-2009）
  1. Ultrashort C-C Bonds.
    V. Ya. Lee and A. Sekiguchi, in Strained Hydrocarbons. Beyond the van't Hoff and Le Bel Hypothesis; H. Doziuk Ed.; Wiley-VCH (2009), Chapter 2, 82-102.

  2. Polysilane Dendrimers.
    M. Nanjo and A. Sekiguchi, in Silicon Containing Dendritic Polymers; P. R. Dvornic and M. J. Owen Eds.; Springer (2009), Chapter 4. 75-96.

  3. Silicon-, Germanium-, and Tin-Centered Cations, Radicals, and Anions.
    V.Ya. Lee and A. Sekiguchi, "Reviews of Reactive Intermediate Chemistry", Eds.: M. S. Platz, R. A. Moss, M. Jones, Jr., Wiley, Chapter 2, 47-120 (2007).

  4. Cyclotrimetallenes Consisting of Heavier Group 14 Elements: A New Unsaturated Small Ring System.
    A. Sekiguchi and V. Ya. Lee, "Organosilicon Chemistry V, From Molecules to Materials", edited by N. Auner and J. Weis, pp. 92-100, Wiley-VCH (2003).

  5. Unsaturated Three-Membered Rings of Heavier Group 14 Elements
    V. Ya. Lee and A. Sekiguchi, "The Chemistry of Organic Germanium, Tin an Lead Compounds", Vol. 2 edited by Z. Rappoport and Y. Apeloig, Vol. 2, Chapter 14, pp. 903-933, John Wiley & Sons, Ltd (2002).

  6. Cage Compounds of Heavier Group 14 Elements
    A. Sekiguchi and V. Ya. Lee, "The Chemistry of Organic Germanium, Tin an Lead Compound", Vol. 2 edited by Z. Rappoport and Y. Apeloig, Vol. 2, Chapter 15, pp. 935-962, John Wiley & Sons, Ltd (2002).

  7. Cyclotrimetallenes Consisting of Heavier Group 14 Elements: A New Unsaturated Small Ring System
    A. Sekiguchi and V. Ya. Lee, Organosilicon Chemistry IV, "From Molecules to Materials" edited by N. Auner and J. Weis, Wiley-VCH, in press.

  8. Polyhedral Silicon Compounds
    A. Sekiguchi and S. Nagase,
    The Chemistry of Organic Silicon Compounds. Vol. 2, Chapter 5, pp. 119 -152, edited by Z. Rappoport and Y. Apeloig, John Wiley & Sons (1998).

  9. Dialkali Metal Deivatives of Silyl-substituted Eyhylenes.
    A. Sekiguchi,
    Reactive Organometallics, pp. 195 -198, edited by S. -I. Murahashi and A. Yamamoto, Kodansha LTD., Tokyo (1998).

総説・解説類（1997-2009）
  1. 新しいπ電子系化合物-ジシリンの化学：特集／未来技術基盤としてのパイ電子科学　
    関口　章、化学工業, 60, 47[863]-52[868] (2009).

  2. 化学のブレークスルー：革新論文から見たこの10年の進歩と未来　
    関口　章、元素化学におけるブレークスルー,別冊化学（化学同人）54-58 (2009).

  3. 次世代共役ポリマーの超階層制御と革新機能
    赤木　和夫監修、シーエムシー出版： 第９章　ケイ素を含む新規テ及びπ共役電子系の創出と物性 関口章 pp. 71-76 (2009).

  4. ケイ素多重結合の形成：ジシレン化学からジシリン化学へ
    関口　章、『化学と工業』誌８月号特集「ケイ素化学」, 61, 785-788 (2008).

  5. 研究物語　世界初ジシリンの合成に成功！！
    一戸　雅聡、関口　章、化学、60、p 23-27 (2005)

  6. ２１世紀の有機ケイ素化学−機能性物質科学の宝庫−
    玉尾皓平監修、シーエムシー出版：
    第１章　新しい有機ケイ素化合物群：三重結合ケイ素化合物ジシリン
    関口章、一戸雅聡 pp.16-21 (2004).

  7. ２１世紀の有機ケイ素化学−機能性物質科学の宝庫−
    玉尾皓平監修、シーエムシー出版：
    第２章　オリゴシラン、ポリシラン：ポリシランデンドリマー
    関口章、一戸雅聡 pp.107-112 (2004).

  8. ２１世紀の有機ケイ素化学−機能性物質科学の宝庫−
    玉尾皓平監修、シーエムシー出版：
    第４章　ケイ素を含む共役電子系：ケイ素置換テトラヘドラン
    関口章、中本真晃 pp.208-214 (2004).

  9. 高周期１４族元素３配位化学種の合成、構造及び反応性
    関口　章、一戸　雅聡、中本　真晃、　Organometallic News, 11-15 (2003).

  10. ケイ素基の特性を活かしたポリアニオン合成−ジアニオンからテトラアニオンまで−
    関口　章、化学工業、52, No 12, 62-68 (2001).　

  11. フラスコに保存できる炭素二価化学種
    中本　真晃、関口　章、 化学、56, No 12, 70-71 (2001).　

  12. Lithiosilanes and Their Application to the Synthesis of Polysilane Dendrimers.
    A. Sekiguchi, V. Ya. Lee, and M. Nanjo, Coordnation Chemistry Reviews, 2000, 210, 11-45. [LINK]

  13. 高周期１４族元素不飽和小員環化合物の最近の展開
    一戸　雅聡、関口　章、 化学、55, No 10, 58-59 (2000).　

  14. Anion Chemistry of Silyl-Substituted r-Electron Systems Based on Four- and Five- Membered Rings
    A. Sekiguchi and T. Matsuo, 有機合成化学協会誌 (Special Issue in English), 57, 945-956 (1999).

  15. デンドリマー化学とその夢
    南条　真佐人、関口　章、化学と工業、vol. 52, 964 - 967 (1999).

  16. ケイ素およびゲルマニウム陽イオンへの挑戦
    南条　真佐人、関口　章、 化学、52, No 11, 72-73 (1997).　


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