Synthesis and transformations of hydrazine substituted 6-fluoro derivatives of 1,3,4-thiadiazolo[3,2-a]pyrimidine

Article abstract of DOI:10.1002/jhet.773

2-Alkyl and 2-arylhydrazine derivatives of 5H-2-R-6-fluoro-7-methyl-1,3,4- thiadiazolo[3,2-a]pyrimidin-5-one were prepared by reaction of 5H-2-bromo-6-fluoro-7-methyl-1,3,4-thiadiazolo[3,2-a]pyrimidin-5-one with hydrazine derivatives. A convenient procedu