The Structure and Synthesis of Malformin A ( root-curvature / cyclic pentapeptide / disulfide / sequence )

Abstract

A structure (the disulfide form of cycloD-cysteinyl-L-valyl-D-cysteinyl-D-leucyl-L-isoleucyl), previously proposed for malformin A, was reexamined. On the basis of chemical degradations, a different structure (the disulfide form of cyclo-D-cysteinyl-D-cysteinyl-L-valyl-Dleucyl-L-isoleucyl) was established. Accordingly, a compound with this structure was… (More)

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