O-(Dihydrosilyl)(dimesitylboryl)benzenes1 were prepared in 6 steps. o-Dibromobenzene was mono-lithiated with n-BuLi and reacted with chloro(dimethoxy)silanes to afford o-C6H4(Br)[SiR(OMe)2] (2) (R = Ph, Me). Bromine–lithium exchange between 2 and tert-BuLi produced o-C6H4(Li)[SiR(OMe)2] (3), which were reacted with fluoro(dimesityl)borane to give o-C6H4(BMes2)[SiR(OMe)2] (4). Reduction of 4 with LiAlH4 in THF
以6个步骤制备O-(二氢甲硅烷基)(二甲磺基)苯1。邻-二溴苯与正丁基锂单片化,并与氯(二甲氧基)硅烷反应,得到邻-C 6 H 4(Br)[SiR(OMe)2 ](2)(R = Ph,Me)。溴-锂在2和叔丁基锂之间的交换产生了o -C 6 H 4(Li)[SiR(OMe)2 ](3),将其与氟硼烷(dimesityl )硼烷反应生成o -C 6 H 4(BMes)2)[SiR(OMe)2 ](4)。用LiAlH 4在THF中还原4得到[ o -C 6 H 4(BMes 2 H)(SiRH 2)] - Li +(thf)n(9)。用BF 3 OEt 2处理9得到目标化合物1。1的结构通过NMR光谱和X射线晶体学分析确定。