Enantioselective Arylative Cyclization of Allenyl Aldehydes with Arylboronic Acids under Pd(II)-diphosphine Catalysis
作者:Hirokazu Tsukamoto、Tomotaka Matsumoto、Yoshinori Kondo
DOI:10.1021/ol702966j
日期:2008.3.1
A Pd(OAc)(2)-SEGPHOS combination catalyzes the first enantioselective arylative cyclization of allenyl aldehydes with arylboronic acids to provide cis-fused five- and six-membered cyclic homoallylic alcohols. The excellent diastereo- and enantioselectivity and the fact that the reaction proceeds at room temperature in the absence of any additives make the process highly practical.