CRYSTAL AND MOLECULAR STRUCTURE OF KOUMINE

Chinese Journal of Applied Chemistry ›› 1990, Vol. 0 ›› Issue (4): 27-31.

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CRYSTAL AND MOLECULAR STRUCTURE OF KOUMINE

Zhu Zhonghe¹, Lu Yunjin², Lu Bin²

1. Naval Medical College of Nanjing;
2. Center of Analysis of Nanjing University, Nanjing 210008

Received:1989-08-21 Revised:1990-02-19 Published:1990-08-10 Online:1990-08-10

Abstract

Abstract: Koumine, C₂₀H₂₂N₂O, is the principal alkaloid of Kou-Wen alkaloids, Crystals ofkoumine belong to the monoclinic system with the space group P2₁, and the crystallographicdata are:a= 8.422(0), b= 13.209(1), c = 7.881(1)A,β = 108.201(9), V= 834.995³Å, Z = 2;Dc = 1.29g/cm³. The result shows that the koumine here determined is a stereo-isomer of that reportedby Khuong-huu F et al in 1981. They are two non-enantiotopic optical isomers of koumine.

Key words: Koumine, non enantiomer, optical isomer, crystal structure

Zhu Zhonghe, Lu Yunjin, Lu Bin. CRYSTAL AND MOLECULAR STRUCTURE OF KOUMINE[J]. Chinese Journal of Applied Chemistry, 1990, 0(4): 27-31.

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CRYSTAL AND MOLECULAR STRUCTURE OF KOUMINE

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