Stereoselective addition of a novel, enantiomerically pure vinyllithium reagent to prochiral carbonyl compounds
作者:Hellmut Mahler、Manfred Braun
DOI:10.1016/s0040-4039(00)95613-2
日期:——
The vinyllithium reagent ()-, generated from the alkene by bromine/lithium exchange, reacts stereoselectively with prochiral carbonyl compounds. Debromination of the adducts / affords the ()-olefins /, which can be cleaved by ozonolysis.
由烯烃通过溴/锂交换生成的乙烯基锂试剂()-与前手性羰基化合物立体选择性地反应。加合物/的脱溴得到()-烯烃/ ,可以通过臭氧分解法裂解。