I. A. Tolmacheva

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Betulonic and 2-hydroxyiminobetulonic acids were synthesized based on betulin triterpenoid, which can readily be isolated from birch (Bétula) bark. Allylamides of betulonic and 2-hydroxyiminobetulonic acids were prepared by the reaction of the corresponding acids with allylamine in the presence of oxalyl chloride and triethylamine. It was established that(More)
Amides of four types were synthesized derived from 2,3-seco-18αH-oleanane and 2,3-secolupane mono- and dicarboxylic acids. The spectrum of diamide derivatives was expanded with C3-C3′ and C28-C28′ biscondensed amides with two A-secotriterpene backbones obtained by the interaction of monocarboxylic A-seco acids with lysine. Among the synthesized monoand(More)
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