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Dr. Yaojun Gao, Qiao Ren, Lei Wang and Prof. Dr. Jian Wang Enantioselective Synthesis of Coumarins Catalyzed by a Bifunctional Amine–Thiourea Catalyst Chemistry - A European Journal 16

Version of Record online: 28 OCT 2010 | DOI: 10.1002/chem.201002202

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Efficient excess: An efficient and facile enantioselective Michael addition reaction through hydrogen-bonding catalysis for the synthesis of coumarin complexes has been developed (see scheme). A simple bifunctional amine–thiourea small molecule has been discovered to catalyze this process with high yields and high to excellent enantiomeric excesses.

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