Issue 0, 1979

Cyclopiamines A and B, novel oxindole metabolites of Penicillium cyclopium westling

Abstract

The isolation of two new oxindole alkaloids, cyclopiamine A and B, from Penicillium cyclopium is described. The chemical and spectral properties of cyclopiamine B are interpreted in terms of the constitution and relative stereochemistry (2a) of the compound as determined by X-ray structure analysis. The enantiomeric relationship between cyclopiamine A(1) and B(2a) at C(22) is established on the basis of chemical studies.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1979, 1751-1761

Cyclopiamines A and B, novel oxindole metabolites of Penicillium cyclopium westling

R. F. Bond, J. C. A. Boeyens, C. W. Holzapfel and P. S. Steyn, J. Chem. Soc., Perkin Trans. 1, 1979, 1751 DOI: 10.1039/P19790001751

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