Triethylborane Induced Radical Reaction of Ketene Silyl Acetals with Polyhalomethanes. Synthesis of 3,3-Dihalo- and 3-Haloacrylates
作者:Jiro Sugimoto、Katsukiyo Miura、Koichiro Oshima、Kiitiro Utimoto
DOI:10.1246/cl.1991.1319
日期:1991.8
Treatment of ketene octyl t-butyldimethylsilyl acetal with tetrabromomethane or tribromomethane in the presence of a catalytic amount of triethylborane gave octyl 3,3-dibromoacrylate or octyl (E)-3-bromoacrylate, respectively.
在催化量的三乙基硼烷存在下用四溴甲烷或三溴甲烷处理乙烯酮辛基叔丁基二甲基甲硅烷基缩醛,分别得到3,3-二溴丙烯酸辛酯或(E)-3-溴丙烯酸辛酯。