Syntheses and exploration of new biological activities in ethyl 6/7-substituted and 6, 7-disubstituted quinolin-4-one-3-carboxylates

Article abstract of DOI:10.1016/0960-894X(95)00577-G

Syntheses of a number of ethyl 1H, 4H-quinolin-4-one-3-carboxylates carrying substituted piperidinedione ring at position 6 (25 and 31-35), tetrahydrofuranone (37) or tetrahydropyridazinone ring (39) at position 7 and hydroxy and hydroxymethyl substituent