A new metabolite, verrucarin K (C27H34O8) has been isolated from a strain of Myrothecium verrucaria (ALBERTINI et SCHWEINITZ) DITMAR ex FRIES. On the basis of spectral and chemical evidence structure 1 was assigned to the new compound. Base‐catalysed hydrolysis yielded verrucarinolactone (5), E,Z‐muconic acid (6) and trichotheca‐9, 12‐diene‐4,15‐diol (3). The implications of 1 in the trichothecane biosynthesis are discussed.
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Breitenstein et al. (1977) studied this question.
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