New regio- and stereoselective preparation of trichlorinated γ-butyrolactones by copper catalyzed cyclization of allyl trichloroacetates
作者:Hideo Nagashima、Hidetoshi Wakamatsu、Kenji Itoh、Yoichi Tomo、Jiro Tsuji
DOI:10.1016/s0040-4039(00)81935-8
日期:1983.1
A novel synthetic method for γ-butyrolactones is presented. The process involves high regioselectivity to afford γ-lactones. In cases of trichloroacetates of secondary allylic alcohols, high cis-selective cyclization is accomplished.
提出了一种新型的γ-丁内酯合成方法。该方法涉及高区域选择性以提供γ-内酯。在仲烯丙基醇的三氯乙酸盐的情况下,实现了高顺式选择性环化。