Enhanced geometrical control in a Ru-catalyzed three component coupling
作者:Barry M Trost、Anthony B Pinkerton
DOI:10.1016/s0040-4039(00)01735-4
日期:2000.12
Exclusive Z-selectivity in the Ru-catalyzed bromoalkylation of alkynes with vinyl ketones is observed with aryl and other tertiary substituted acetylenic substrates, a feature that has led to an efficient synthesis of a COX-2 inhibitor.