HEMIFISTULARIN-3 - A DEGRADED PEPTIDE OR BIOGENETIC PRECURSOR - ISOLATION FROM A SPONGE OF THE ORDER VERONGIDA FROM THE CORAL SEA OR GENERATION FROM BASE TREATMENT OF 11-OXOFISTULARIN-3

被引:25
作者
MANCINI, I [1 ]
GUELLA, G [1 ]
LABOUTE, P [1 ]
DEBITUS, C [1 ]
PIETRA, F [1 ]
机构
[1] ORSTOM,CTR NOUMEA,NOUMEA,NEW CALEDONIA
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1993年 / 24期
关键词
D O I
10.1039/p19930003121
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Hemifistularin 3 10, contained in a new species of sponge of the family Aplysinellidae, order Verongida, from the Coral Sea, corresponds to the right half of 11-oxofistularin 3 6, also contained in this sponge, and from which it can be obtained in a peculiar base-catalysed degradation. This raises the question of whether or not hemifistularin 3 is the first example of a biogenetically degraded peptide, or rather an elaborated biogenetic precursor, in sponges of the order Verongida. The new compounds 19-deoxyfistularin 3 8 and 19-deoxy-11-oxofistularin 3 9 have also been isolated from the same sponge.
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收藏
页码:3121 / 3125
页数:5
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