Synthesis of α-fluoro-β-hydroxy esters by an enantioselective Reformatsky-type reaction
作者:Michal Fornalczyk、Kuldip Singh、Alison M. Stuart
DOI:10.1039/c2cc17985g
日期:——
The first enantioselective Reformatsky-type reaction of ethyl iodofluoroacetate has been accomplished with alkyl aryl ketones. High diastereoselectivities and excellent enantioselectivities for the major diastereomer (93â95% ee) were achieved with large alkyl groups. For smaller alkyl groups the diastereoselectivities were moderate, but excellent enantioselectivities were obtained for both diastereomers (79â94% ee).
已经实现了乙基碘氟乙酸酯与烷基芳基酮的首例对映选择性Reformatsky型反应。在使用大烷基时,获得了高的非对映体选择性和主要非对映体的优异对映选择性(93–95% ee)。对于较小的烷基,非对映体选择性中等,但两种非对映体均获得了极好的对映选择性(79–94% ee)。