Investigations on furopyridines. 10. Synthesis of 4-N-substituted 1H-furo[3,4]pyridin-3-ones

Article abstract of DOI:10.1007/BF02251662

2-Amino or 2-hydrazino derivatives of pyridine or pyridinopyrazole were obtained by amination or hydrazination of 2-chloro-3-cyano-4-methoxy-6-methylpyridine. Acid hydrolysis of these derivatives leads to heterocyclization with formation of 4-amino-1H-fur