4-Halo-1,8-naphthyridine derivatives useful as intermediates and processes for their preparation
申请人:AMERICAN HOME PRODUCTS CORPORATION
公开号:EP0060012A1
公开(公告)日:1982-09-15
Compounds of formula
in which R1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, alken (3,4,5 or 61-yl of 3 to 6 carbon atoms or alkyn (3,4,5 or 6)-yl of 3 to 6 carbon atoms; R2 is -CCl3, -CN, -CO2H, -CO2R1 where R' is alkyl of 1 to 6 carbon atoms or
where R8 and R9 are independently hydrogen or alkyl of 1 to 6 carbon atoms; R5 and R6 are mdependently hydrogen; alkyl of 1 to 4 carbon atoms, halo, alkylamino of 1 to 4 carbon atoms, or alkoxy of 1 to 6 carbon atoms, or a salt thereof are disclosed which are useful as mtermediates to compounds having gastric anti-secretory, and in some case diuretic, activity. Also described are processes for preparing the compounds.
式中的化合物
其中 R1 是氢、1 至 6 个碳原子的烷基、5 至 6 个碳原子的环烷基、3 至 6 个碳原子的烯(3,4,5 或 61-基)或 3 至 6 个碳原子的炔(3,4,5 或 6)-基;R2 是-CCl3、-CN、-CO2H、-CO2R1,其中 R' 是 1 至 6 个碳原子的烷基或
其中 R8 和 R9 独立地为氢或 1 至 6 个碳原子的烷基;R5 和 R6 独立地为氢、1 至 4 个碳原子的烷基、卤素、1 至 4 个碳原子的烷基氨基或 1 至 6 个碳原子的烷氧基或其盐。此外,还介绍了制备这些化合物的工艺。