3 NOVEL GLYCODIENOID ALKALOIDS FROM ERYTHRINA-LYSISTEMON

被引:28
作者
AMER, ME
ELMASRY, S
SHAMMA, M
FREYER, AJ
机构
[1] PENN STATE UNIV,DEPT CHEM,UNIVERSITY PK,PA 16802
[2] UNIV ALEXANDRIA,FAC PHARM,DEPT PHARMACOGNOSY,ALEXANDRIA,EGYPT
来源
JOURNAL OF NATURAL PRODUCTS | 1991年 / 54卷 / 01期
关键词
D O I
10.1021/np50073a014
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Three new glycodienoid alkaloids, (+)-11-beta-methoxyglucoerysodine [3], (+)-11-beta-methoxyglucoerysovine [4], and (+)-rhamnoerysodine [5], have been isolated from Egyptian-grown Erythrina lysistemon. The known (+)-glucoerysodine [2] was also obtained, and H-1- and C-13-nmr values are presented for the dienoid and glycoside portions. A reversal of proton assignments for H-1 and H-2 in all previously described dienoids is noted.
引用
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页码:161 / 166
页数:6
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