P. Petrova, A. Koval'skaya, A. Lobov
Nov 1, 2019
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Journal
Chemistry of Natural Compounds
Abstract
Guanidine derivatives of the quinolizidine alkaloid methylcytisine were synthesized by converting its 9-amino-derivative into the corresponding thiocarboxamide using phenylisothiocyanate and then into trisubstituted guanidines using HgCl2 in the presence of aromatic amines.