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■ Structure and Absolute Configuration of Serpenticine, a New Anhydronium Base from Rauwolfia vomitoria Afzuelia

Abdul Malik, Nighat Afza, and Salimuzzaman Siddiqui*

*H. E. J. Postgraduate Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan

Abstract

The structure and absolute configuration 9 of serpenticine, a new anhydronium base isolated from Rauwolfia vomitoria Afz., has been determined with the aid of UV, IR and ₁₃C-nmr spectral data of the base along with ORD, proton nmr and high resolution mass spectra of its tetrahydro product 8.