Regioselective formation of 1,1-disubstituted allenylsilanes via cross-coupling reactions of 3-tri-n-butylstannyl-1-trimethylsilyl-1-propyne
作者:David R. Williams、Akshay A. Shah
DOI:10.1039/c0cc00679c
日期:——
The regioselective Stille cross-coupling reactions of 3-tri-n-butylstannyl-1-trimethylsilyl-1-propyne demonstrate isomerization following the initial transmetalation step resulting in allenyl palladium intermediates for reductive coupling to yield conjugated 1,1-disubstituted allenylsilanes.
3-三正丁基锡-1-三甲基硅基-1-丙炔的区域选择性Stille交叉耦合反应表明,在初始的转金属步骤后发生异构化,形成了烯丙基钯中间体,经过还原耦合生成共轭的1,1-二取代烯丙基硅烷。