Structure elucidation of AK-toxins, host-specific phytotoxic metabolites produced by alternaria kikuchiana tanaka

Tetrahedron Letters
1982.0

Abstract

The structures of two host-specific phytotoxic metabolites, AK-toxin I and II, isolated from culture broth of Alternaria kikuchiana Tanaka (the fungus causing black spot disease of Japanese pear) were determined to be the ester consisting of N-acetyl-β-methylphenylalanine and 9,10-epoxy-8-hydroxy-9-methyl-2E,4Z,6E-decatrienoic acid (I) and its β-demethyl derivative (2).

DOI： 10.1016/S0040-4039(00)85630-0

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