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Organocatalytic Asymmetric Mannich Reaction of Ethyl- (E)-4-mercaptobut-2-enoate with 4-Imino-pyrazol-5(4H)-ones |
ZHOU Yang, ZHOU Ming-qiang, YUAN Wei-cheng* |
National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China |
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