Problème du cation siliconium IV. Mécanisme de la coupure métal—carbone dans les dérivés β-fonctionnels du silicium et du germanium
作者:F. Carre、R. Corriu、B. Henner
DOI:10.1016/s0022-328x(00)87713-x
日期:1970.5
Brominations of triphenylallylsilane, methylphenyl-1-naphthylallylsilane, 2(1-naphthyl)-2-allyl-1,2,3,4-tetrahydro-2-silanaphthalene and triphenylallylgermane have been studied in carbon tetrachloride, acetic acid and methanol as solvents. Either cleavage of the M-allyl bond (M = Si, Ge) or addition on the double bond (M = Si) takes place according to the nucleophilicity of the solvent. Cleavage of
以四氯化碳,乙酸和甲醇为溶剂,研究了三苯基烯丙基硅烷,甲基苯基-1-萘基烯丙基硅烷,2(1-萘基)-2-烯丙基-1,2,3,4-四氢-2-硅萘和三苯基烯丙基锗烷的溴化。根据溶剂的亲核性,M-烯丙基键的裂解(M = Si,Ge)或双键加成(M = Si)。还已经用Ph 3 SiCH 2 CH 2 Cl和Ph 3 GeCH 2 CH 2 Cl研究了M-碳键的断裂。溶剂的亲核性和空间效应是控制这些反应的主要因素。每种反应都有先进的机制。