Asymmetric Au(i)-catalyzed synthesis of bicyclo[4.1.0]heptene derivatives via a cycloisomerization process of 1,6-enynes
作者:Chung-Meng Chao、Denis Beltrami、Patrick Y. Toullec、Véronique Michelet
DOI:10.1039/b913554e
日期:——
presence of a chiral cationic Au(i) catalyst ((R)-4-MeO-3,5-(t-Bu)(2)-MeOBIPHEP-(AuCl)(2)/AgOTf system) in toluene under mild conditions and lead to functionalized bicyclo[4.1.0]heptenederivatives in excellent enantiomeric excesses ranging from 90-98%.