Ruthenium-catalyzed ring-closing reaction of α,ω-bis(vinylsilyl) compounds via a silyl transfer mechanism
作者:Takaya Mise、Yutaka Takaguchi、Yasuo Wakatsuki、Yutaka Takaguchi、Takeshi Umemiya、Shoichi Shimizu、Yasuo Wakatsuki
DOI:10.1039/a800293b
日期:——
Compounds having a vinyldimethylsilyl group at both terminals have been successfully cyclized by ruthenium hydride catalysts to give selectively disilacycles of various ring sizes via a metathetical reaction, i.e. ethene elimination from the two terminal vinyl groups, not involving metallocarbeneâmetallacyclobutane type intermediates.
在氢化钌催化剂的作用下,两个末端都带有乙烯基二甲基硅烷基团的化合物成功地发生了环化反应,通过元反应(即从两个末端乙烯基基团中消除乙烯,不涉及茂金属环丁烷类中间体)选择性地生成了各种环尺寸的二二甲基环。