The structures of peraksine (RP-5) and RP-7 constituents of the leaves and stems of Rauwolfia perakensis

Tetrahedron
1966.0

Abstract

Peraksine (Va) an alkaloid from Rauwolfia perakensis is shown to be a representative of a new type of hexacyclic indole alkaloid related to perakine. Its structure was established from the analysis of the X-ray diffraction data obtained from the methiodide and by the chemical and mass spectral evidence. RP-7 is shown by partial synthesis from tetraphyllicine to be 1-demethyl-21-deoxy-ajmaline-1,19-diene-17-O-acetate (XVI). © 1964.

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