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Report | Regular issue | Vol 19, No. 2, 1982, pp.339-342
Published online, 1st January, 1970
DOI: 10.3987/R-1982-02-0339
New Synthetic Approach for Pyrazolo[3,4-b]pyrazines and Isoxazolo[4,5-b]pyrazines

Marjan Kocevar, Miha Tisler, and Branko Stanovnik

*Department of Chemistry, E. Kardelj University, Murnikova 6, 61000 Ljubljana, Slovenia

Abstract

A new synthetic approach has been developed for the synthesis of pyrazolo[3,4-b]pyrazines (7) and isoxazolo-[4,5-b]pyrazines (22) from the corresponding substituted pyrazines.