Synthesis of new derivatives of 5,6,7,8-tetrahydro-1,6-naphthyridines and their pharmacological properties
文摘
1,5-Dicarbonyl derivatives of piperidine and tropane were studied in the heterocyclization with hydroxylamine hydrochloride. All the 5,6,7,8-tetrahydro-1,6-naphthyridines obtained exhibit a pronounced analgesic effect.