Macrocyclische Trichothecene aus Baccharis coridifolia, II Miotoxin D und Isomiotoxin D, zwei neue macrocyclische Trichothecene aus Baccharis coridifolia DC
“…l1 Polygodial and 6P-acetoxyolepupuane (26) have been isolated from extracts of the mantle of the mollusc Dendrodoris grandzjlora. These two drimane sesquiterpenes are biosynthesized de novo by the nudibranch, while most of the other defensive terpenoids that are localized on the body wall are of dietary origin.12 The structure of oblongolide (27), a novel norsesquiterpene that has feeding-deterrent properties for elm bark beetles, has been determined by X-ray analysis. This compound has been produced in vitro by the fungus Phomopsis 0bl0nga.…”
This review covers the isolation, structural determination, synthesis and chemical and microbiological transformations of natural sesquiterpenoids. 421 references are cited.
“…l1 Polygodial and 6P-acetoxyolepupuane (26) have been isolated from extracts of the mantle of the mollusc Dendrodoris grandzjlora. These two drimane sesquiterpenes are biosynthesized de novo by the nudibranch, while most of the other defensive terpenoids that are localized on the body wall are of dietary origin.12 The structure of oblongolide (27), a novel norsesquiterpene that has feeding-deterrent properties for elm bark beetles, has been determined by X-ray analysis. This compound has been produced in vitro by the fungus Phomopsis 0bl0nga.…”
This review covers the isolation, structural determination, synthesis and chemical and microbiological transformations of natural sesquiterpenoids. 421 references are cited.
Aus B. coridifolia werden neben Miotoxin Azwei Dihydro‐Derivate (I), Miotoxin Dund Isomiotoxin D, isoliert, deren Strukturen durch zweidimensionale FT‐NMR‐Spektroskopie (′H, "C) und FD‐Massenspektroskopie aufgeklärt werden.
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