Highly diastereo- and enantioselective copper-catalyzed propargylic alkylation of acyclic ketone enamines for the construction of two vicinal stereocenters
作者:De-Yang Zhang、Fu-Lin Zhu、Ya-Hui Wang、Xin-Hu Hu、Song Chen、Chuan-Jin Hou、Xiang-Ping Hu
DOI:10.1039/c4cc06863g
日期:——
The first highly diastereo- and enantioselectivepropargylicalkylation of acyclic ketone enamines to form vicinal tertiary stereocenters has been reported by employing copper catalysis in combination with a bulky and structurally rigid tridentate ketimineP,N,N-ligand.
GOLD CATALYZED HYDROAMINATION OF ALKYNES AND ALLENES
申请人:Bertrand Guy
公开号:US20110166349A1
公开(公告)日:2011-07-07
Methods are provided for the catalytic hydroamination of compounds having an alkyne or allene functional group, in which the compound is contacted with ammonia or an amine in the presence of a catalytic amount of a gold complex under conditions sufficient for hydroamination to occur.