3 NEW TOXIC PINOLIDOXINS FROM ASCOCHYTA-PINODES

被引:39
作者
EVIDENTE, A
CAPASSO, R
ABOUZEID, MA
LANZETTA, R
VURRO, M
BOTTALICO, A
机构
[1] UNIV NAPOLI FEDERICO II,DIPARTIMENTO CHIM ORGAN & BIOL,I-80134 NAPLES,ITALY
[2] CNR,IST TOSSINE & MICOTOSSINE PARASSITI VEGETALI,I-70125 BARI,ITALY
[3] UNIV SASSARI,IST PATOL VEGETALE,I-07100 SASSARI,ITALY
来源
JOURNAL OF NATURAL PRODUCTS | 1993年 / 56卷 / 11期
关键词
D O I
10.1021/np50101a011
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Three new pinolidoxins called epi-, dihydro-, and epoxy-pinolidoxin (2, 4, and 5, respectively)were isolated from Ascochyta pinodes grown on wheat, and theirs structures were determined using spectroscopic and chemical methods. They were characterized as 7-epi-, 5,6-dihydro-, and 5,6-epoxy-pinolidoxin, respectively. Assayed on pea and bean leaves, epipinolidoxin and dihydropinolidoxin caused necrotic lesions, whereas epoxypinolidoxin was inactive. Only epipinolidoxin and epoxypinolidoxin were active using the brine shrimp assay.
引用
收藏
页码:1937 / 1943
页数:7
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