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■ Chemistry of Nuphar Alkaloids. Part IV. Hofmann Degradation of C₁₅ and C₃₀ Methiodides

Jacek Cybulski, Krystyna Wojtasiewicz, and Jerzy T. Wróbel

*Department of Chemistry, University of Warsaw, Pasteura St.1, 02-093 Warsaw, Poland

Abstract

Hofmann degradation of isomeric thiobinupharidine (TBN) monomethiodides is described. The structure and stereochemistry of the products obtained have been proposed on the basis of ¹H nmr end ¹³C nmr spectra. Hofmann degradation products of DN- and 7EDN-methiodides have been used as model compounds.