长刺Discaria中的四种环肽生物碱。

Four cyclopeptide alkaloids from Discaria longispina.

作者信息

Machado E C, Alvarez Filho A, Morel A F, Monache F D

机构信息

Departamento de Quimica, Universidade Federal de Santa Maria, RS, Brazil.

出版信息

J Nat Prod. 1995 Apr;58(4):548-53. doi: 10.1021/np50118a010.

DOI:10.1021/np50118a010

PMID:7623033

Abstract

The isolation of the cyclopeptide alkaloids, adoutine-Y', discarine-B, discarine-E, and discarine-X, a new 14-membered cyclopeptide alkaloid from D. longispina, are reported. The structure of the new alkaloid was elucidated by spectroscopic methods and by chemical degradation.

摘要

本文报道了从长刺龙葵中分离得到环肽生物碱阿杜廷-Y'、盘卡里宁-B、盘卡里宁-E以及一种新的14元环肽生物碱盘卡里宁-X。通过光谱方法和化学降解对新生物碱的结构进行了阐明。