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Chiral dihydroxytetraphenylene-catalyzed enantioselective conjugate addition of boronic acids to β-enaminones†
En-Ze Yao,Guo-Li Chai,Ping Zhang,Bo Zhu,Junbiao Chang
Organic Chemistry Frontiers Pub Date : 03/17/2022 00:00:00 , DOI:10.1039/D1QO01845K
Abstract

We report the (S)-2,15-Cl2-DHTP-catalyzed enantioselective conjugate addition of organic boronic acids to β-enaminones, providing the corresponding addition products in high yields and moderate to excellent enantioselectivities (up to 98% ee). This catalytic system exhibits unique features in terms of mild reaction conditions, high efficiency, broad substrate scope, and the applicability of alkenylboronic acids and heteroarylboronic acids.

Graphical abstract: Chiral dihydroxytetraphenylene-catalyzed enantioselective conjugate addition of boronic acids to β-enaminones
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