Processes for production of quinoline or quinazoline derivatives and intermediates therefor ##STR1## A process for producing a compound of formula (2) of value as antiinflammatory agents, which comprises reacting a compound of formula (3) or a salt thereof with 4-amino-1,2,4-triazole to give a compound of formula (1) or a salt thereof and deaminating the same, and an intermediate compound (1). In the above formulas, Y represents N or C-G in which G represents carboxyl which may be esterified or amidated, acyl, hydroxyalkyl which may be protected, or halogen; ring A and ring B each may be substituted; k is equal to 0 or 1; X represents a leaving group.
制备
喹啉或
喹唑啉衍
生物及其中间体的工艺
本发明提供了一种制备式(2)化合物的工艺,该化合物具有抗炎作用。该工艺包括将式(3)化合物或其盐与4-
氨基-
1,2,4-三唑反应,得到式(1)化合物或其盐并脱
氨化,以及中间体化合物(1)。在上述式子中,Y代表N或C-G,其中G代表羧基,可以酯化或酰胺化,酰基,可以被保护的羟基烷基或卤素;环A和环B可以被取代;k等于0或1;X代表一个离去基团。