V. Vorob'eva, E. E. Mikhlina, K. F. Turchin
Jul 1, 1983
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The reduction of 2-ethoxycarbonyl-3-oxoquinuclidine oxime hydrochloride leads to 2-ethoxycarbonyl-3-amino-2,3-dehydroquinuclidine, from which pyrimido[5,4-b]quinuclidine derivatives were obtained by reaction with formamide, methyl isocyanate, and phenyl isothiocyanate. It is shown that 7-hydroxypyrazolo[4,3-b]quinuclidine is formed in the reaction of 2-ethoxycarbonyl-3-acetamido-2,3-dehydroquinuclidine with hydrazine hydrate.