Citation: Qing Fang CHENG, Xing You XU, Wei Xing MA, Tian Pa YOU. Asymmetric Intramolecular Cyclopropanation Induced by (β-Diketone)-copper Complex[J]. Chinese Chemical Letters, ;2005, 16(3): 331-334. shu

Asymmetric Intramolecular Cyclopropanation Induced by (β-Diketone)-copper Complex

1.
Department of Chemical Technology, Huaihai Institute of Technology, Lianyungang 222005;
2.
Department of Chemistry, University of Science and Technology of China, Hefei 230026

Received Date: 8 March 2004

Fund Project: This work is supported by the National Natural Science Foundation of China and the Department of Education Excellent Teachers Foundation.

Asymmetric intramolecular cyclopropanation of allylic diazoacetate was investigated using a chiral (β-diketone)-copper complex as catalyst, excellent yield and enantioselectivity were achieved. Some factors influencing enantioselectivity were discussed.
- Intramolecular,
- cyclopropanation,
- asymmetric catalysis,
- (β-diketone)-copper.
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