Isolation and chemical structures of steroidal alkaloids from pachysandra axillaris franch

Abstract

Steroidal alkaloids from P. axillaris collected in Yunnan, China are reported. By means of systematic isolation, 22 steroidal alkaloids were isolated in crystalline form from the 95% EtOH exts. of P. axillaris. The basic characteristics of these compounds are tabulated. Their chem. structures were elucidated by spectral and chem. means. All the compounds belong to steroidal alkaloids of pregnane type, 17 of which, i.e., iso-spiropachysine, spiropachysine B, pachyaximineS A-B, axillarines A-F, pachysamines G-H, pachysanaximine A, axillaridine A, pachyaxiosides A-B, and epi-pachysamine B, are natural products reported for the 1st time.

Key words: STEROIDS, ALKALOID, PLANT ANALYSIS, PACHYSANDRA AXILLARIS FRANCH, CHEMICAL STRUCTURE

CLC Number:

O629

Cite this article

QIU MINGPING;NIE RUILIN;LI ZHONGRONG;ZHOU JUN. Isolation and chemical structures of steroidal alkaloids from pachysandra axillaris franch[J]. Chin. J. Org. Chem., 1990, 10(1): 41-43.

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