New routes to the synthesis of pyridazinone, ethoxypyridine, pyrazole and pyrazolo[1,5-a]pyrimidine derivatives incorporating a benzotriazole moiety

Article abstract of DOI:10.1002/jhet.5570370635

A new approach to the synthesis of pyridazinone, ethoxypyridine, pyrazole and 7-aminopyrazolo-[1,5-a]pyrimidine derivatives. The structure of the newly synthesized compounds was elucidated by elemental analyses, ir, ¹H nmr spectra and in some cases by ¹³C nmr investigations.