CONSTITUENTS OF TROPICAL MEDICINAL-PLANTS .62. APORPHINOID ALKALOIDS AND TERPENOIDS FROM PIPTOSTIGMA-FUGAX

被引:40
作者
ACHENBACH, H
SCHWINN, A
机构
[1] Institute of Pharmacy and Food Chemistry, Department of Pharmaceutical Chemistry, University of Erlangen
关键词
PIPTOSTIGMA FUGAX; ANNONACEAE; ROOTS; STEM BARK; APORPHINOIDS; 5-ALPHA-CYCLOART-24-ENE-3-BETA; 16-BETA; 21-TRIOL; 4-HYDROXY-4,7-DIMETHYL-1-TETRALONE; N-METHYLHETEROPSINE; ONYCHINES;
D O I
10.1016/0031-9422(94)00675-J
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Thirty-eight compounds were isolated from the roots and stem bark of Piptostigma fugax, besides three fractions of mixtures of homologues of two 6'-acylated sterol glucosides and fatty acids, respectively. Structures were determined by spectroscopic and chemical methods. Mixtures of homologues were analysed by GC-mass spectrometry after derivatization. 5 alpha-Cycloart-24-ene-3 beta,16 beta,21-triol, 4-hydroxy-4,7-dimethyl-1-tetralone and three onychine-type alkaloids (2,7-dihydroxyonychine, 7-hydroxy-2-methoxyonychine and 7-hydroxy-2,8-dimethoxyonychine) represent new compounds. N-Methylheteropsine has been isolated as a natural product for the first time.
引用
收藏
页码:1037 / 1048
页数:12
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