Citation: Zheng Hong ZHOU, Zhao Ming LI, Bing LIU, Kang Ying LI, Li Xin WANG, Guo Feng ZHAO, Qi Lin ZHOU, Chu Chi TANG. (Salen)Ti(Ⅳ)-Catalyzed Asymmetric Ring-opening of meso Epoxides Using Dithiophosphorus Acid as the Nucleophile[J]. Chinese Chemical Letters, ;2006, 17(2): 143-146. shu

(Salen)Ti(Ⅳ)-Catalyzed Asymmetric Ring-opening of meso Epoxides Using Dithiophosphorus Acid as the Nucleophile

State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, Nankai University, Tianjin 300071

Received Date: 30 May 2005

Fund Project: We are grateful to the National Natural Science Foundation of China (No. 20472033) and the Ph. D. Programs of Ministry of Education of China for generous financial support for our programs.

The asymmetric ring-opening of epoxides with dithiophosphorus acids catalyzed by a (salen)Ti(Ⅳ) complex formed in situ from the reaction of Ti(OPr-i)₄ and the chiral Schiff base derived from (1R, 2R)-(+)-diaminocyclohexane was realized. The resulting products were obtained with low to good enantioselectivity (up to 73% ee).
- (Salen)Ti(Ⅳ) complex,
- ring-opening,
- dithiophosphorus acid,
- enantioselectivity,
- meso epoxide
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