Chiral Lewis Base Catalyzed Highly Enantioselective Reduction of N-Alkyl β-Enamino Esters with Trichlorosilane and Water
作者:Xinjun Wu、Yang Li、Chao Wang、Li Zhou、Xiaoxia Lu、Jian Sun
DOI:10.1002/chem.201003105
日期:2011.3.1
of a chiral Lewisbase catalyst 2, the supposedly moisture‐unfriendly reduction system with trichlorosilane was found to be highly efficient and enantioselective when using water as an additive. For the first time, this method enables the reduction of a broad range of N‐alkyl β‐enamino esters 1 to give N‐alkyl β‐amino esters 3 in good to high yields and with excellent enantioselectivities (see scheme)