Povarov reaction of benzyl N-vinylcarbamate, anilines and aldehydes with a catalyst loading of 5 mol%. The synthetic utility of this protocol was demonstrated by the asymmetric synthesis of enantioenriched benzo[e]indolizidine with excellent yield and excellent level of sterecontrol.
手性
SPINOL
磷酸在三组分Povarov反应催化中表现出高活性和优异的非对映和对映选择性。 N-
乙烯基氨基甲酸苄酯,催化剂含量为5 mol%的
苯胺和醛。该协议的合成实用性通过不对称合成富含对映体的苯并[ e ]
吲哚并
咪唑,具有优异的收率和优异的立体控制
水平,得到了证明。