Citation: Chang Sheng JIANG, You Gui LI, Chen JIANG, Fang WANG, Tian Pa YOU. Asymmetric Cyclopropanation Catalyzed by Four Stereoisomers of a Copper-(Schiff-base) Complex with Double Chiral Centers[J]. Chinese Chemical Letters, ;2002, 13(12): 1143-1146.
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Four stereoisomers of a copper-(Schiff-base) complex with double chiral centers were applied to catalyze the asymmetric cyclopropanation. Two of the stereoisomers were also efficient catalysts affording high enantiomeric excess of up to 91.8%. A mechanism that predicts the observed results accurately was proposed.
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