Studies on the Structures of Cyclo-posphonodipeptides Containing O-P-N Group

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (10): 1335.

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Studies on the Structures of Cyclo-posphonodipeptides Containing O-P-N Group

Chen Ru-yu, Deng Shi-xian, Cai Bao-zhong

The Institute of Elemento-Organic Chemistry, Nanhca, University, Tianjin, 300071

Received:1991-01-05 Online:1991-10-24 Published:1991-10-24

Abstract

Abstract: In this paper, the geometrical isomers of cyclophosphonodipeptides were separated and the numbers of those isomers were determined by high resolution ¹H NMR and other spectroscopic methods. Their structures were determined by X-ray diffraction. It was found that among the isomers the phenyl group at phosphorus atom and the substituents at its a-carbon atom were cis to each other, the cyclohexyl rings of the four products were all in twist boat form.

Key words: Cyclophosphonodipeptide, Structure, Geometric isomer

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Chen Ru-yu, Deng Shi-xian, Cai Bao-zhong . Studies on the Structures of Cyclo-posphonodipeptides Containing O-P-N Group[J]. Chem. J. Chinese Universities, 1991, 12(10): 1335.

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Studies on the Structures of Cyclo-posphonodipeptides Containing O-P-N Group

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