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Studies on Synthesis and Properties of Molecular Crystalline Organopolysilanes

Research Project

Project/Area Number 06453034
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Organic chemistry
Research InstitutionGunma University

Principal Investigator

MATSUMOTO Hideyuki  Gunma University, Faculty of Engineering, Professor, 工学部, 教授 (90008467)

Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥6,900,000 (Direct Cost: ¥6,900,000)
Fiscal Year 1995: ¥2,600,000 (Direct Cost: ¥2,600,000)
Fiscal Year 1994: ¥4,300,000 (Direct Cost: ¥4,300,000)
KeywordsMolecular crystalline polysilane / Ladder polysilanes / Octasilacubane / Ladder polysilane anion radicals / Ring-opening halogenation / Oxidation / Cyclotetrasilane / 分子結晶 / ポリシクロシラン / 合成
Research Abstract

1.The pentacyclic ladder polysilane, anti, anti, anti-hexadecaisopropylpentacyclo [6.4.0.0^<2,7>.0^<3,6>.0^<9,12>] -dodecasilane was prepared and the structure was determined by X-ray crystallography. Two linear hexasilane chains of the ladder polysiane screw on one way, and the molecule has the partially double helical structure ; the helical structure results from the systematic catenation that the folded cyclotetrasilane rings are connected up and down alternatively. The anion radical of the pentacycle, which was generated by the reduction with K,persisted over several months at room temperature ; the intensity loss in the ESR Signal after one month is 19%, and the half-life time is too long to be measured. This remarkable stability is unprecedented for polysilane anion radicals. 2.Reaction of decaisopropylbicyclo [2.2.0] hexasilane with the divalent palladium PdCl_2 (PhCN) _2led to the formation of 1,4-dichlorodecaisopropylbicyclohexasilane. 3.Treatment of decaisopropylbicyclo [2.2 … More .0] hexasilane with MCPBA afforded decaisopropyl-7-oxabicyclo- [2.2.1] heptasilane and decaisopropy1-2-oxabicyclo [3.2.0] -heptasilane as monoxidation products. The 7-oxa compound showed unusual properties in the UV spectrum due to the interaction of the n orbital of the oxygen atom and the Si-Si sigma bonds. The compound also showed far stronger fluorescence than the bicyclohexasilane. 4.The ring-opening reaction of anti-dodcaisopropyltricyclo [4.2.0.0^<2,5>] octasilane with PdCl_2 (PhCN) _2 gave the new bicyclic systems, dodocaisoproybicyclo [3.3.0] octasilane and dodoca-isopropylbicyclo [4.2.0] octasilane. 5.The ring-opening halogenation of octathexyloctasilacubane resulted in skeletal rearrangement with concomitant formation of stereoisomeric 4,8-dihalooctathexyltetracyclo- [3.3.0.0^<2,7>.0^<3,6>] octasilanes. The reductive dehalogenation of the 4,8-dihalotracyclooctasilanes with sodium metal led to unusual skeletal rearrangement, forming the octasilacubane. 6.Photooxidation of the octasila-cubane with dimethylsulfoxide resulted in formation of the new polyhedral systems, the oxaoctasila-homocubane, octathexylpentacyclo [4.3.0.0^<2,5>.0^<3,8>.0^<4,7>] -9-oxanonasilane and the dioxaoctasilabishomo-cubane, octathexylpentacyclo [5.3.0.0^<2,6>.0^<3,9>.0^<4,8>] -5,10-dioxadecasilane. 7.The reaction of di-tert-butyl-dichlorosilane with lithium produced hepta-tert-butylcyclotetrasilane and trans-1,1,2,3,3,4-hexa-tert-butylcyclotetrasilane. Less

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (66 results)

All Other

All Publications (66 results)

  • [Publications] Soichiro Kyushin: "Synthesis and structure of all-trans-1, 2, 3, 4-tetra-tert-butyl-1, 2, 3, 4-tetrachlorocyclotetrasilane" Organometallics. 13. 798-801 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Ring-opening reaction of octakis (1, 1, 2-trimethylpropyl) octasilacubane. Chlorination with PCl_5 leading to stereoisomeric 4, 8-dichlorooctakis (1, 1, 2-trimethylpropyl) tetracyclo[3. 3. 0. 0^<2, 7>. 0^<3, 6>]octasilanes" Organometallics. 13. 4633-4640 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Synthesis and structure of all-trans-1, 2, 3, 4-tetra-tert-butyl-1, 2, 3, 4-tetrachlorocyclotetrasilane" Organometallics. 13. 798-801 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyuushin: "Synthesis and structure of all-trans-1, 2, 3, 4-tetra-tert-butyl-1, 2, 3, 4-tetrachlorocyclotetrasilane" Organometallics. 13. 798-801 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Molecular structures and charge-transfer complexes of cis-dibenzo[c, h]-1, 6-disilabicyclo[4. 4. 0]deca-3, 8-dienes and bi (benzo[c]silacyclo-pent-3-ene-1-yl) s" J. Organomet. Chem.473. 19-27 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "anti-1, 2, 5, 6-Tetra-tert-butyl-3, 3, 4, 4, 7, 7, 8, 8-octaisopropyltricycol-[4. 2. 0. 0^<2, 5>]octasilane" Chem Lett.997-1000 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Selective Si-Si bond cleavage in decaisopropylbicyclo[2. 2. 0]hexasilane. A route to sterically hindered 1, 4-dichlorocyclohexasilanes" Chem. Lett.221-224 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Yoshihiko Kanemitsu: "Optical properties of quasi-one-dimensional silicon poylmers with different backbone" J. Luminescence. 60&61. 426-464 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Yoshihiko Kanemitsu: "Luminescence from a cubic silicon cluster" Solid State Commun.89. 619-621 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Syntheses, structures, properties and photoluminescence of ladder polysilanes and octasilacubanes" J. Phys. Soc. Jpn., Suppl. B. 63. 46-55 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Katsunori Suzuki: "Optical properties of silicon-based polymers with different backbone Structures; polymeric materials for microelectronic applications: science and technology" Polymeric Materials for Microelectronic Applications: Science and Technology, ACS Symposium Series. 579. 425-432 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Reductive dehalogenation of 4, 8-dihalooctakis (1, 1, 2-trimethylpropyl)-tetracyclo[3. 3. 0^<2, 7>. 0^<3, 6>]octasilanes with sodium: Formation of octasilacubane" Organometallics. 14. 4004-4009 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Synthesis, structures, and properties of novel aminodisilanes bearing bulky substituents: 1, 2-bis(1, 1, 2-trimethylpropyl-1, 1, 2, 2-tetrakis (dimethylamino)-disilane and 1, 2, -di-tert butyl-1, 1, 2, 2-tetrakis (diethylamino) disilane" J. Organomet. Chem.499. 221-228 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Hepta-tert-butylcyclotetrasilane: a highly crowded cyclotetrasilane" J. Organomet. Chem.499. 235-240 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Yoshihiko Kanemitsu: "Visible photoluminescence from silicon-backbone polymers" Phys. Rev. B. 51. 13103-13110 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Yoshihiko Kanemitsu: "Luminescence properties of a cubic silicon cluster octasilacubane" Phys. Rev. B. 51. 10666-10670 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "structure and electronic spectra of decaisopropyl-7-oxabicyclo[2. 2. 1]-heptasilane" Chem. Lett.815-816 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 長谷川 稔: "Sb (OSiR_<23>)_3型アンチモン化合物の合成と性質" 日本化学会誌. 550-555 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Synthesis and electronic properties of 9, 10-disilylanthracens" Organometallics. 15. 1067-1070 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Dibenzo[b, e]-7, 7, 8, 8-tetraneopentyl-and dibenzo[b, e]-7, 7, 8, 8-tetraiso-propyl-7, 8-disilabicyclo[2. 2. 2]octa-2, 5-dienes: interaction with tetracyano-ethylene and trasition metal chlorides" J. Organomet. Chem.(印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Soichiro Kyushin: "Ring-opening reactions of anti-dodecaisopropyltricyclo[4. 2. 0. 0^<2, 5>]-octasilane. Formation of novel bicyclo[3. 3. 0]octasilane and bicyclo[4. 2. 0]octasilane systems" Chem. Lett.(印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Synthesis of hexasilsesquioxanes bearing bullky substituents: Hexa (1, 1, 2-trimethylpropylsilsesquioxane) and hexa (tert-butylsilsesquioxane)" Chem. Lett.(印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Oxaoctasilahomocubane and dioxaoctasilabishomocubane: Novel silicon ring sytems" J. Organometal. Chem.(掲載決定). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, M.Kawabata, H.Sakurai, H.Matsumoto, M.Miyake, M.Sato, and M.Goto: "Synthesis and structure of all-trans-1,2,3,4-tetra-tert-butyl-1,2,3,4-tetrachlorocyclotetrasilane." Organometallics. 13. 795-801 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Unno, K.Higuchi, M.Ida, H.Shioyama, S.Kyushin, H.Matsumoto, and M.Goto: "Ring-opening reaction of octakis (1,1,2-trimethylpropyl) octasilacubane. Chlorination with PCl_5 leading to stereoisomeric 4,8-sichlorooctakis (1,1,2-trimethylpropyl) tetracyclo [3.3.0.0^<2,7>.0^<3,6>] -octasilanes." Organometallics. 13. 4633-4640 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, M.Ikarugi, S.Tsunakawa, Y.Izumi, M.Miyake, M.Sato, H.Matsumoto, and M.Goto: "Molecular structures and charge-transfer complexes of cis-dibenzo- [c, h] -1,6-disilabicyclo [4.4.0] deca-3,8-dienes and bi (benzo [c] silacyclo-pent-3-ene-1-yl) s." J.Organomet.Chem.473. 19-27 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, M.Kawabata, Y.Yagihashi, H.Matsumoto, and M.Goto :"anti-1,2,5,6-Tetra-tert-butyl-3,3,4,4,7,7,8,8-octaisopropyltricyclo- [4.2.0.0^<2,5>] octasilane." Chem.Lett.997-1000 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, H.Yamaguchi, T.Okayasu, Y.Yagihashi, H.Matsumoto, and M.Goto.: "Selective Si-Si Bond cleavage in decaisopropylbicyclo [2.2.0] hexasilane. A route to sterically hindered 1,4-dichlorocyclohexasilanes." Chem.Lett.221-224 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Y.Kanemitsu, K.Suzuki, Y.Masumoto, and H.Matsumoto: "Optical Properties of Quasi-One-Dimensional Silicon Poylmers with Different Backbone Structures." J.Luminescence. 60&61. 462-464 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Y.Kanemitsu, K.Suzuki, M.Kondo, and H.Matsumoto: "Luminescence from A Cubic Silicon Cluster." Solid State Commun.89. 619-621 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, H.Matsumoto, Y.Kanemitsu, and M.Goto: "Syntheses, Structures, Properties and Photoluminescence of Ladder Polysilanes and Octasilacubanes." J.Phys.Soc.Jpn., Suppl.B. 63. 46-55 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Unno, H.Shioyama, M.Ida, and H.Matsumoto: "Reductive dehalogenation of 4,8-dihalooctakis (1,1,2-trimethyl-propyl) tetracyclo [3.3.0^<2,7>.0^<3,6>] octasilanes with sodium : Formation of octasilacubane." Organometallics. 14. 4004-4009 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Unno, M.Saito, and H.Matsumoto: "Synthesis, structures, and properties of novel aminodisilanes bearing bulky substitutents : 1,2-Bis (1,1,2-trimethylpropyl-1,1,2,2-tetrakis (dimethylamino) disilane and 1,2, -di-tert-butyl-1,1,2,2-tetrakis (diethylamino) disilane." J.Organomet.Chem.499. 221-228 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, H.Sakurai, and H.Matsumoto: "Hepta-tert-butylcyclotetrasilane : a highly crowded cyclotetrasilane." J.Organomet.Chem.499. 235-240 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Y.Kanemitsu, K.Suzuki, S.Kyushin, and H.Matsumoto: "Visible photoluminescence from silicon-backbone polymers." Phys.Rev.B. 51. 13103-13110 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Y.Kanemitsu, K.Suzuki, S.Kyushin, and H.Matsumoto: "Luminescence properties of a cubic silicon cluster octasilacubane." Phys.Rev.B. 51. 10666-10670 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, H.Sakurai, H.Yamaguchi, M.Goto, and H.Matsumoto: "Structure and electronic spectra of decaisopropy1-7-oxabicyclo- [2.2.1] heptasilane." Chem.Lett.815 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, M.Ikarugi, M.Gotom, H.Hiratsuka, and H.Matsumoto: "Synthesis and electronic properties of 9,10-disilylanthracenes." Organometallics. 15. 1067-1070

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, M.Ikarugi, K.Takatsuna, M.Goto, and H.Matsumoto: "Dibenzo [b, e] -7,7,8,8-tetraneopentyl-and dibenzo [b, e] -7,7,8,8-tetraisopropyl-7,8-disilabicyclo- [2.2.2] octa-2,5-dienes : Interaction with tetracyanoethylene and trasition metal chlorides." J.Organomet.Chem.(in press). (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] S.Kyushin, H Sakurai, and H.Matsumoto: "Ring-opening reactions of anit-dodecaisopropyltricyclo- [4.2.0.0^<2,5>] octasilane. Formation of novel bicyclo [3.3.0] octasilane and bicyclo [4.3.0] octasilane systems." Chem.Lett.(in press). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Unno, S.-B.Alias, H.Saito, and H.Matsumoto: "Synthesis of hexasilsesquioxanes bearing bulky substituents : Hexa (1,1,2-trimethylpropylsilsesquioxane) and hexa (tert-butylsilsesquioxane)." Organometallics. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Unno, T.Yokota, and H.Matsumoto: "Oxaoctasilahomocubane and dioxaoctasilabishomocubane : Novel silicon ring sytems." J.Organomet.Chem.(accepted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Masafumi Unno: "Reductive Dehalogenation of 4,8-Dihalooctakis (1,1,2-trimethylpropyl)-tetracyclo[3.3.0^<2,7>.0^<3.6>] octasilanes with sodium : Formation of octasilacubane" Organometallics. 14. 4004-4009 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Masafumi Unno: "Synthesis, structures, and propertics of novel aminodisilanes bearing bulky substituents : 1,2-bis (1,1,2-trimethylpropyl-1,1,2,2-tetrakis (dimethylamino)- disilane and 1,2-di-tert-butyl-1,1,2,2-tetrakis (diethylamino) disilane" J. Organomet. Chem.499. 221-228 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Soichiro Kyushin: "Hepta-tert-butylcyclotetrasilane : a highly crowded cyclotetrasilane" J. Organomet. Chem.499. 235-240 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Yoshihiko Kanemitsu: "Visible photoluminescence from silicon-backbone polymers" Phys. Rev. B. 51. 13103-13110 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Yoshihiko Kanemitsu: "Luminescence properties of a cubic silicon cluster octasilacubane" Phys. Rev. B. 51. 550-555 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Soichiro Kyushin: "Structure and electronic spectra of decaisopropyl-7-oxabicyclo [2.2.1]-heptasilane" Chem. Lett.815-816 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 長谷川稔: "Sb(OSiR_3)_3型アンチモン化合物の合成と性質" 日本化学会誌. 1067-1070 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Soichiro Kyushin: "Synthesis and electronic properties of 9,10-disilylanthracens" Organometallics. 15. 1067-1070 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Soichiro Kyushin: "Dibenzo [b,e]-7,7,8,8-tetraneopentyl-and dibenzo [b,e]-7,7,8,8-tetraisopropyl-7,8-disilabicyclo [2.2.2] octa-2,5-dienes : interaction with tetracyanoethylene and trasition metal chlorides" J. Organomet. Chem.(印刷中). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Soichiro Kyushin: "Ring-opening reactions of anti-dodecaisopropyltricyclo [4.2.0.0^<2,5>]-octasilane. Formation of novel bicyclo [3.3.0] octasilane and bicyclo [4.2.0]-octasilane systems" Chem. Lett.(印刷中). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Masafumi Unno: "Synthesis of hexasilsesquioxanes bearing bulky substituents : Hexa (1,1,2-trimthylpropylsilsesquioxane) and hexa (tert-butylsilsesquioxane)" Chem. Lett.(印刷中). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Masafumi Unno: "Oxaoctasilahomocubane and dioxaoctasilabishomocubane : Novel silicon ring sytems" J. Organometal. Chem.(掲載決定). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Kyushin: "Synthesis and Structure of all-trans-1,2,3,4-Tetra-tert-butyl-1,2,3,4-tetrachloro-cyclotetrasilane." Orfanometallics. 13. 795-801 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] M.Unno: "Ring-Opening Reaction of Octakis(1,1,2-trimethylpropyl)octasilacubane. Chlorination with PCl_5 Leading to Sterroisomeric 4,8-Dichloroocakis(1,1,2-trinethylpropyl)tetracyclo[3.3.0^<2,7>.0^<3,6>]octasilanes." Organometallics. 13. 4633-4640 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Kyushin: "an ti-1,2,5,6-Tetra-tert-butyl-3,3,4,4,7,7,8,8-octaisopropyltricyclo[4.2.0.0^<2,5>]-octasilane." Chem.Lett.997-1000 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Kyushin: "Selective Si-Si Bond Cleavage in Decaisopropylbicyclo[2.2.0]hexasilane. A Route to Sterically Hindered 1,4-Dichlorocyclohexasilanes." Chem.Lett.221-224 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Kyushin: "Molecular Structures and Charge-Transfer Complexes of cis-Dibenzo[c,h]-1,6-disilabicyclo[4.4.0]deca-3,8-dienes and Bi(benzo[c]silacyclopent-3-ene-1-yl)s." J.Organomet.Chem.73. 19-27 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Kyushin: "Syntheses, Structures,Properties and Photoluminescence of Landder Polysilanes and Octasilacubanes." J.Phys.Soc.Jpn.,Suppl.B. 3. 46-55 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Kanemitsu: "Optical Properties of Quasi-One-Dimensional Silicon Poylmers with Different Backbone Structures." J.Luminescence.60&61. 462-464 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Kanemitsu: "Luminescence from A Cubic Silicon Cluster." Solid State Commun.89. 619-621 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Kanemitsu: "Luminescence Properties of a Cubic Silicon Cluster: Octasilacubane." Pys. Rev. B. (印刷中).

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Kyusin: "Hepta-tert-butylcyclotetrasilane." J.Organomet.Chem.(印刷中).

    • Related Report
      1994 Annual Research Report
  • [Publications] M.Unno: "Synthesis, Structures and Properties of Novel Aminodisilanes Bearing Bulky Substituents." J.Organomet.Chem.(印刷中).

    • Related Report
      1994 Annual Research Report
  • [Publications] M.Unno: "Reductive Dehalogenation of 4,8-Dihalooctakis(1,1,2-trimethylpropyl)tetracyclo-[3.3.0^<2,7>.0^<3,6>]octasilanes with Sodium." Organometallics. (掲載決定).

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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