Efficient synthesis of chiral cyclic acetals by metal and Brønsted acid co-catalyzed enantioselective four-component cascade reactions
作者:Lin Qiu、Xin Guo、Chaoqun Ma、Huang Qiu、Shunying Liu、Liping Yang、Wenhao Hu
DOI:10.1039/c3cc49063g
日期:——
Four-component Mannich reactions subsequently followed by an intramolecular oxo-Michael addition were developed to efficiently produce chiral cyclic acetals with high diastereoselectivity and enantioselectivity.