Enantioselective route to .gamma.-butyrolactones: chiral auxiliary mediated amide alkylation and iodolactonization
摘要:
A number of chiral, gamma, delta-unsaturated amides (1 and 2) have been prepared and their subsequent alkylation and iodolactonization to gamma-butyrolactones (3) investigated.
Regioselectivity in the iodolactonization of 1,6-heptadien-4-carboxylic acid derivatives
作者:Mark J. Kurth、Edward G. Brown、Eric J. Lewis、John C. McKew
DOI:10.1016/s0040-4039(00)80340-8
日期:——
Electronic control, as a consequence of differential olefin substitution, and a comparison of conformational versus electronic control in the iodolactonization of 1,6-heptadien-4-carboxylic acid derivatives are reported.