Synthesis of Disilanes, Dihydrosiloles, and 1,4‐Disilacyclohexa‐2,5‐dienes by Transition‐Metal‐Free Transfer of Diphenylsilylene and Dimethylsilylene from Silylboronic Esters
作者:Ikuo Sasaki、Asahi Maebashi、Jiaying Li、Toshimichi Ohmura、Michinori Suginome
DOI:10.1002/ejoc.202101573
日期:2022.3.29
Transfer of diphenylsilylene (Ph2Si:) and dimethylsilylene (Me2Si:) from silylboronic esters takes place at 110–135 °C under transition-metal-free conditions. The reaction with alkoxysilanes, 1,3-dienes, and an alkyne affords alkoxydisilanes, dihydrosiloles, and 1,4-disilacyclohexa-2,5-dienes, respectively, in good to high yields.
在无过渡金属条件下,在 110–135 °C 下,从甲硅烷基硼酸酯中转移二苯基甲硅烷基 (Ph 2 Si:) 和二甲基甲硅烷基 (Me 2 Si:)。与烷氧基硅烷、1,3-二烯和炔烃的反应分别以良好至高产率提供烷氧基二硅烷、二氢硅烷和 1,4-二硅环六-2,5-二烯。