1,6-reduction of 2-en-4-ynoates using lithium di-s-butylcyanocuprete
作者:Norbert Krause、Gabriele Handke
DOI:10.1016/0040-4039(91)80483-m
日期:1991.12
Treatment of 2-en-4-ynoates 1 with lithium di-s-butylcyanocuprate in diethyl ether yields the 1,6-reduction products 2, whereas in tetrahydrofuran the 1,6-addition products 4 are obtained.
Elucidation of the Mechanism of the 1,6-Cuprate Addition to Acceptor-Substituted Enynes through13C Kinetic Isotope Effects: Experimental and Theoretical Studies