Regiocontrolled head-to-tail coupling of alkylthioallyl carbanions with allylic halides via lithium alkylthioallyl borates
作者:Yoshinori Yamamoto、Hidetaka Yatagai、Kazuhiro Maruyama
DOI:10.1039/c39790000157
日期:——
Reaction of lithium alkylthioallyl borates (3), prepared from alkylthioallyl-lithium (1) and trialkylboranes at –78 °C, with allylic halides (2) gives head-to-tail 1,5-dienes (4) in good yields.
由烷基硫代烯丙基锂(1)和三烷基硼烷在–78°C下制备的烷基硫代烯丙基硼酸锂(3)与烯丙基卤化物(2)反应,可以以良好的收率从头到尾进行1,5-二烯(4)的反应。