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Communication | Regular issue | Vol 9, No. 10, 1978, pp.1327-1334
Published online, 1st January, 1970
DOI: 10.3987/R-1978-10-1327
Neighbouring Group Interaction in ortho-Substituted Aminopyridines. Formation of 1,2,4-Oxadiazolylpyridines and Pyrido[2,3-d]pyrimidines 3-Oxides

Bojan Vercek, Ivan Leban, Branko Stanovnik, and Miha Tisler*

*Department of Chemistry, University of Ljubljana, 61000 Ljubljana, Slovakia

Abstract

Transformations of 2-amino-3-cyanopyridine with hydroxylamine and various one carbon atom connecting reagents are described. Various paths of interconversion of 4-aminopyrido[2,3-d]pyrimidine 3-oxide and 2-amino-3-(1’,2’,4’-oxadiazolyl-3’)pyridine are described. In some of the transformations also a pyrazolo[3,4-b]pyridine derivative was formed.