作者:Michinori Suginome、Hiroyoshi Noguchi、Tomoaki Hasui、Masahiro Murakami
DOI:10.1246/bcsj.78.323
日期:2005.2
Five-membered cyclic silylboranes, 2-(diisopropylamino)-1,1-diorgano-1-sila-2-boracyclopentanes, were synthesized via intramolecular reductive B-Si bond formation with 3-[chloro(diisopropylamino)boryl]-1-(chlorodiorganosilyl)-propane. The cyclic silylboranes were thermally stable and could be distilled under a vacuum. The reaction of the cyclic silylboranes with alcohols resulted in a cleavage of the
五元环状甲硅烷基硼烷,2-(二异丙基氨基)-1,1-diorgano-1-sila-2-boracyclopentanes,通过与 3-[氯(二异丙基氨基)硼基]-1-(氯二有机甲硅烷基)-丙烷。环状甲硅烷基硼烷是热稳定的,可以在真空下蒸馏。环状甲硅烷基硼烷与醇的反应导致 Si-B 键断裂,而与仲胺的反应导致硼原子上的氨基交换。钯催化剂有效地催化炔烃插入环状甲硅烷基硼烷的 Si-B 键,导致区域选择性形成高产率的七元环状烯烃。