Cyclosporin D Hydroperoxide, A New Metabolite of Tolypocladium terricola

Tetrahedron Letters
1995.0

Abstract

The structure of cyclo(-Xaa₁-Val₂-Sar₃-MeLeu₄-Val₅-MeLeu₆-Ala₇-D-Ala₈-MeLeu₉-MeLeu₁₀-MeVal₁₁-) (1), where Xaa is 3-hydroxy-7-hydroperoxy-4-methyl-2-methylamino-5E-octenoic acid was assigned to a new metabolite of the fungus Tolypocladium terricola on the basis of MS and NMR results.

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