Multi-Product Classes Obtained from Allylation of α-Halo Ketones with Allylzinc Bromide
作者:Min Zhang、Yuanyuan Hu、Songlin Zhang
DOI:10.1002/chem.200901487
日期:2009.10.19
An efficient, one‐pot synthesis procedure for the preparation of allylic epoxides, aldehydes and homoallylic alcohols (see scheme) has been described. The three industrial products were synthesized by the reaction of allylzinc bromide with α‐halo ketones under non‐catalytic conditions with p‐toluenesulfonic acid and ytterbium triflate as catalysts, respectively. Feasible reaction mechanisms and intermediates
An efficient synthetic method for allyl-epoxides via allylation of α-haloketones or esters with allylmagnesium bromide
作者:Liyuan Fan、Min Zhang、Songlin Zhang
DOI:10.1039/c2ob00051b
日期:——
A simple, efficient, and non-metal-catalyzed synthetic method for allyl-epoxides and diallyl-epoxides by allylation of α-haloketones and esters with allylmagnesium bromide in mild conditions is reported in this article. It inherited some advantages of the organomagnesium reagents such as availability, operational simplicity and low toxicity.