Roquefortine, an intermediate in the biosynthesis of oxaline in cultures of Penicillium oxalicum

Journal of the Chemical Society, Chemical Communications
1983.0

Abstract

The incorporation of (2RS) - [indole-2-13C, 2-15N] tryptophan into both roquefortine and oxaline, and the efficient conversion of roquefortine into oxaline, defines a biosynthetic pathway by which N-14 of oxaline is derived from N-5 of roquefortine (and thus from tryptophan) and not from an exogenous nitrogen source.

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