Citation: Cheng Yun WANG, Zhi Cai SHANG, Jiang Hua MEI, Qing Sen YU. Synthesis of a New Ligand Containing 1, 7-Diaza-12-crown-4 and the Application in Asymmetric Cyclopropanation Reaction[J]. Chinese Chemical Letters, ;2003, 14(6): 579-580. shu

Synthesis of a New Ligand Containing 1, 7-Diaza-12-crown-4 and the Application in Asymmetric Cyclopropanation Reaction

Department of Chemistry, Zhejiang University, Hangzhou 310027

Received Date: 20 May 2002

A new chiral multidenate ligand (S, S)-1,7-bis(4-benzyloxazolin-2-yl-methyl)-1,7-diaza- 12-crown-41 has been synthesized and used as ligand in the copper catalyzed asymmetriccyclopropanation of 1, 1-diphenylethylene.
- (S,S)-1,7-Bis(4-benzyloxazolin-2-yl-methyl)-1,7-diaza-12-crown-4,
- asymmetric cy-clopropanation
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