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Hexin Xie Yinan Zhang Shilei Zhang Xiaobei Chen Wei Wang 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2011,123(49):11977-11980
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Highly Asymmetric Michael Addition to α,β‐Unsaturated Ketones Catalyzed by 9‐Amino‐9‐deoxyepiquinine
Jian‐Wu Xie Wei Chen Rui Li Mi Zeng Wei Du Lei Yue Ying‐Chun Chen Prof. Dr. Yong Wu Prof. Dr. Jin Zhu Prof. Jin‐Gen Deng Prof. Dr. 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2007,119(3):393-396
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Samus H. McCooey Stephen J. Connon 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2005,117(39):6525-6528
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Enantioselective Sulfur‐Michael Addition of Thioacetic Acid to Nitroalkenes Catalyzed by Bifunctional Amine‐Thiourea Catalysts 
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下载免费PDF全文 An enantioselective Michael addition of thioacetic acid (AcSH) to nitroalkenes, catalyzed by a leucine‐derived bifunctional amine? thiourea, was developed with high yields and moderate enantioselectivities. The thiourea‐ammonium salt formed in the reaction is identified as the active catalyst, and the multiple H‐bonding system is responsible for the stereocontrol. The resulting thioester products are useful intermediates for the synthesis of enantiomerically enriched S‐containing compounds. 相似文献