Enantioselective Synthesis of Highly Functionalized Trifluoromethyl-Bearing Cyclopentenes: Asymmetric [3+2] Annulation of Morita-Baylis-Hillman Carbonates with Trifluoroethylidenemalonates Catalyzed by Multifunctional Thiourea-Phosphines
作者:Hong-Ping Deng、Yin Wei、Min Shi
DOI:10.1002/adsc.201101012
日期:2012.3.16
synthesis of multifunctional thiourea‐phosphines, a catalytic method for the asymmetric [3+2] annulation of Morita–Baylis–Hillman carbonates with trifluoroethylidenemalonates has been developed, affording highly functionalized trifluoromethyl‐bearing cyclopentenes in excellent yields, high diastereoselectivities and enantioselectivities under mild conditions.
在设计和合成多功能硫脲膦的基础上,开发了一种催化方法,用于森田-贝利斯-希尔曼碳酸盐与三氟亚乙基丙二酸酯的不对称[3 + 2]环合,提供了具有高收率的高度官能化的含三氟甲基的环戊烯,在温和条件下具有较高的非对映选择性和对映选择性。