Chiral indane skeleton based thiourea catalyzed highly stereoselective cascade Michael–enolation–cyclization reaction
作者:Qiao Ren、Yaojun Gao、Jian Wang
DOI:10.1039/c1ob05477e
日期:——
An efficient asymmetric cascade reaction catalyzed by a chiral bifunctional indane amine–thiourea catalyst has been developed. From a broad substrate scope, chiral dihydro-2H-pyran complexes that contained two stereogenic centers were obtained in a one-pot manner in good to excellent yields (72–97%) and high to excellent stereoselectivities (92–97% ee).
手性双官能团催化的高效不对称级联反应 茚满胺–已开发出硫脲催化剂。在广泛的底物范围内,通过一锅法获得了包含两个立体生成中心的手性二氢-2 H-吡喃络合物,具有良好至优异的产率(72–97%)和高至优异的立体选择性(92–97%ee) 。