• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2011 Fiscal Year Final Research Report

Studies on Paramagnetic Species of Heavier Main Group Elements

Research Project

  • PDF
Project/Area Number 21350023
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Organic chemistry
Research InstitutionUniversity of Tsukuba

Principal Investigator

ICHINOHE Masaaki  筑波大学, 数理物質系, 准教授 (90271858)

Co-Investigator(Renkei-kenkyūsha) SEKIGUCHI Akira  筑波大学, 数理物質系, 教授 (90143164)
Project Period (FY) 2009 – 2011
Keywords有機典型元素化学 / 構造有機化学 / 常磁性化学種 / 多重項化学種
Research Abstract

We succeeded synthesizing and isolating of stable multiplet oligo (silyl radical) s which have two and three silyl radical moieties on 1, 3-positions and 1, 3, 5-positions of benzene ring, respectively. The molecular structures of oligo (silyl radical) s were determined by X-ray crystallography. Furthermore, we also synthesized the silylene cation radicals stabilized by cyclic diaminocarbene coordination, and their molecular structures were determined by X-ray crystallography.

  • Research Products

    (20 results)

All 2011 2010 2009 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (11 results) Remarks (1 results)

  • [Journal Article] Access to a Stable Si_2N_2 4-Membered Ring with Non-Kekule Singlet Biradical Character from a Disilyne2011

    • Author(s)
      K. Takeuchi, M. Ichinohe, and A. Sekiguchi
    • Journal Title

      Journal of the American Chemical Society

      Volume: 133 Pages: 5773-5775

    • DOI

      DOI:10.1021/ja2059846

    • Peer Reviewed
  • [Journal Article] Isolable p-and m-[(tBu_2MeSi)_2Si]_2C_6H_4 : Disilaquinodimethane vs. Triplet Bis (silyl radical)2011

    • Author(s)
      T. Nozawa, M. Nagata, M. Ichinohe, and A. Sekiguchi
    • Journal Title

      Journal of the American Chemical Society

      Volume: 133 Pages: 5773-5775

    • DOI

      DOI:10.1021/ja2014746

    • Peer Reviewed
  • [Journal Article] An Isolable NHC-stabilized Silylene Radical Cation : Synthesis and Structural Characterization2011

    • Author(s)
      H. Tanaka, M. Ichinohe, and A. Sekiguchi
    • Journal Title

      Journal of the American Chemical Society

      Volume: 133 Pages: 5540-5543

    • DOI

      DOI:10.1021/ja301180v

    • Peer Reviewed
  • [Journal Article] ynthesis and Striking Reactivity of an Isolable Tetrasilyl-substituted Trisilaallene2011

    • Author(s)
      H. Tanaka, M. Ichinohe, and A. Sekiguchi
    • Journal Title

      Organometallics

      Volume: 30 Pages: 3475-3478

    • DOI

      DOI:10.1021/om200405e

    • Peer Reviewed
  • [Journal Article] Synthesis of a low-bandgap polymer bearing side groups containing phenoxy radicals2011

    • Author(s)
      Y. Innami, R. H. L. Kiebooms, T. Koyano, M. Ichinohe, S. Ohkawa, K. Kawabata, M. Kawamatsu, K. Matsuishi, H. Goto
    • Journal Title

      Journal of Materials Science

      Volume: 46 Pages: 6556-6562

    • DOI

      DOI:10.1007/s10853-011-5602-9

    • Peer Reviewed
  • [Journal Article] Unsymmetrically Substituted Disilyne Dsi_2iPrSi-Si≡Si-SiNpDsi_2 (Np=CH_2tBu) : Synthesis and Characterization2010

    • Author(s)
      Y. Murata, M. Ichinohe, and A. Sekiguchi
    • Journal Title

      Journal of the American Chemical Society

      Volume: 132 Pages: 16768-16770

    • DOI

      DOI:10.1021/ja1091744

    • Peer Reviewed
  • [Journal Article] A Reactivity of the Disilyne RSi≡SiR (R=SiiPr [CH(SiMe_3)_2]_2) toward Bis (silylcyanide) Forming a 1, 4-Diaza-2, 3-disilabenzene Analogue2010

    • Author(s)
      K. Takeuchi, M. Ichinohe, A. Sekiguchi, J.-D. Guo, and S. Nagase
    • Journal Title

      Journal of Physical Organic Chemistry

      Volume: 23 Pages: 390-394

    • DOI

      DOI:10.1002/poc.1617

    • Peer Reviewed
  • [Journal Article] Interaction of π-Bonds of the Silicon-Silicon Triple Bond with Alkali Metals : An Isolable Anion Radical upon Reduction of a Disilyne2009

    • Author(s)
      A. Sekiguchi, R. Kinjo, and M. Ichinohe
    • Journal Title

      Synthetic Metals (Special Issue : Super-Hierarchial Structure Synthetic Metals)

      Volume: 159 Pages: 773-775

    • DOI

      DOI:10.1016/j.synthmet.2009.01.007

    • Peer Reviewed
  • [Presentation] N-ヘテロ環カルベンによって安定化されたシリレンラジカルカチオン:合成、構造、及び性質2011

    • Author(s)
      田中裕明, 一戸雅聡, 関口章
    • Organizer
      第38回有機典型元素化学討論会
    • Place of Presentation
      石川県立音楽堂邦楽ホール(石川県)
    • Year and Date
      2011-12-09
  • [Presentation] アリール基及びアミノ基を導入した単離可能なシリルラジカルの合成、構造、及び反応性2011

    • Author(s)
      平加奈子, 一戸雅聡, 関口章
    • Organizer
      第22回基礎有機化学討論会
    • Place of Presentation
      つくば国際会議場(茨城県)
    • Year and Date
      2011-09-22
  • [Presentation] シリルラジカル集積分子の合成、構造、及び性質2011

    • Author(s)
      野澤竹志, 一戸雅聡, 関口章
    • Organizer
      第22回基礎有機化学討論会
    • Place of Presentation
      つくば国際会議場(茨城県)
    • Year and Date
      2011-09-21
  • [Presentation] ジシリンとアゾベンゼンとの反応によるSi_2N_2四員環ビラジカロイド化合物の合成2011

    • Author(s)
      竹内勝彦, 一戸雅聡, 関口章
    • Organizer
      第22回基礎有機化学討論会
    • Place of Presentation
      つくば国際会議場(茨城県)
    • Year and Date
      2011-09-21
  • [Presentation] 高スピンオリゴ(シリルラジカル)の合成、構造、及び物性2011

    • Author(s)
      野澤竹志, 一戸雅聡, 関口章
    • Organizer
      第58回有機金属化学討論会
    • Place of Presentation
      名古屋大学東山キャンパス(愛知県)
    • Year and Date
      2011-09-09
  • [Presentation] Syntheses of Si_2N_2 4-Membered Ring Biradicaloids by the Reaction of Disilyne with Azobenzenes2011

    • Author(s)
      K. Takeuchi, M. Ichinohe, and A. Sekiguchi
    • Organizer
      The 16th International Symposium on Organosilicon Chemistry (ISOSXVI)
    • Place of Presentation
      Hamilton (Canada)
    • Year and Date
      2011-08-16
  • [Presentation] Synthesis and Structure of First Isolable Oligo (silyl radical) s Bridged by a Benzene Ring2011

    • Author(s)
      T. Nozawa, M. Ichinohe, and A. Sekiguchi
    • Organizer
      The 16th International Symposium on Organosilicon Chemistry (ISOSXVI)
    • Place of Presentation
      Hamilton (Canada)
    • Year and Date
      2011-08-16
  • [Presentation] ベンゼン環をスペーサーとするビス及びトリス(シリルラジカル)の合成、構造、及びスピン状態の解明2010

    • Author(s)
      野澤竹志, 一戸雅聡, 関口章
    • Organizer
      第37回有機典型元素化学討論会
    • Place of Presentation
      室蘭市民会館(北海道)
    • Year and Date
      2010-11-25
  • [Presentation] Synthesis, Structure and Reactivity of Meta-and Para-Disilaquinodimethanes2010

    • Author(s)
      M. Ichinohe, T. Nozawa, M. Nagata, and A. Sekiguchi
    • Organizer
      3rd Asian Silicon Symposium (ASiS III)
    • Place of Presentation
      Hangzhou (China)
    • Year and Date
      2010-10-19
  • [Presentation] フェニレン基をスペーサーとするビス(シリルラジカル)種の合成、構造、及び物性2009

    • Author(s)
      野澤竹志, 永田美千代, 一戸雅聡, 関口章
    • Organizer
      第36回有機典型元素化学討論会
    • Place of Presentation
      とりぎん文化会館(鳥取県)
    • Year and Date
      2009-12-11
  • [Presentation] meta-及びpara-ジシラキノジメタンの合成、構造、及び反応性2009

    • Author(s)
      一戸雅聡, 野澤竹志, 永田美千代, 関口章
    • Organizer
      第56回有機金属化学討論会
    • Place of Presentation
      同志社今出川キャンパス(京都府)
    • Year and Date
      2009-09-11
  • [Remarks]

    • URL

      http://www.chem.tsukuba.ac.jp/sekiguch/

URL: 

Published: 2013-07-31  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi