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Issue 19, 1975
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Stereochemical course of the α,β-desaturation of L- tryptophan in the biosynthesis of cryptoechinuline A in Aspergillus amstelodami

Abstract

Incorporation of stereospecifically labelled L-tryptophan into cryptoechinuline A (3), which has been assigned the (z)-configuration from examination of its natural and 13C-enriched 13C n.m.r. spectra, proceeds with removal of a pro-S hydrogen atom from the β-methylene position; a new metabolite, cryptoechinuline C (5) has also been isolated.

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Article type: Paper
DOI: 10.1039/C39750000778
Citation: J. Chem. Soc., Chem. Commun., 1975,0, 778-779

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    Stereochemical course of the α,β-desaturation of L- tryptophan in the biosynthesis of cryptoechinuline A in Aspergillus amstelodami

    R. Cardillo, C. Fuganti, D. Ghirnghelli, P. Grasselli and G. Gatti, J. Chem. Soc., Chem. Commun., 1975, 0, 778
    DOI: 10.1039/C39750000778

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