Studies on the Oxidative Addition Reactions of 1-Bromosilatranes to $SnBr_2$

1-브로모실라트란의 $SnBr_2$ 에 대한 산화성 첨가반응 연구

  • 김명운 (한국과학기술원 화학과 및 분자과학연구센터) ;
  • 어동선 (한국과학기술원 화학과 및 분자과학연구센터) ;
  • 신호철 (한국과학기술원 화학과 및 분자과학연구센터) ;
  • 김진권 (한국과학기술원 화학과 및 분자과학연구센터) ;
  • 도영규 (한국과학기술원 Department of Chemistry)
  • Published : 19940300


The oxidative addition reaction has been employed to synthesize heteropolynuclear compounds containing Si-M bonding interaction between the silicon atom of silatrane, pentacoordinate silicon derivative with transannular Si-N dative bond, and the main group element. The reaction of $SnBr_2 with 1-bromosilatrane(1a) in acetonitrile gives the mixture of yellow(2a) and white(2b) solids which were isolated and charaterized by ^1H-NMR, ^{29}Si-NMR, ^{119}Sn-NMR and Mass spectroscopy. The yellow compound was characterized as 1-tribromotinsilatrane which had Si-Sn bonding interaction. The reaction of SnBr2 with 1-bromo-3,7,10-trimethylsilatrane(1b) in methanol gives the Sn(Ⅳ) complex, N[CH_2CH(CH_3)O]_3SiSnBr_3(CH_3OH)_2(3),$ which was characterized by various means.



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