Facile access to sterically hindered aryl ketones via carbonylative cross-coupling: application to the total synthesis of luteolin
作者:B. Michael O’Keefe、Nicholas Simmons、Stephen F. Martin
DOI:10.1016/j.tet.2011.03.074
日期:2011.6
achieving the carbonylative cross-coupling of sterically hindered, ortho-disubstituted aryl ketones is reported. The commercially available PEPPSI-IPr catalyst is shown to efficiently promote the carbonylative cross-coupling of hindered ortho-disubstituted aryl iodides to give diaryl ketones; traditional phosphine catalysts are less effective. Carbonylative Suzuki-Miyaura cross-couplings provide a diverse array