申请人:BYK Gulden Lomberg Chemische Fabrik GmbH
公开号:US04758579A1
公开(公告)日:1988-07-19
Dialkoxypyridines of formula I ##STR1## wherein R1 is 1-3C-alkyl which is completely or predominantly substituted by fluorine, or a chlorodifluoromethyl radical and R1' is hydrogen, halo, trifluoromethyl, 1-3C-alkyl, or 1-3C-alkoxy which is optionally completely or predominantly substituted by fluorine, or R1 and R1', together with the oxygen atom to which R1 is bonded, are 1-2C-alkylenedioxy, which is optionally completely or partly substituted by fluorine, or chlorotrifluoroethylenedioxy, R3 is 1-3C-alkoxy, one of R2 and R4 is 1-3C-alkoxy and the other is a hydrogen atom or 1-3C-alkyl and n is 0 or 1, and salts thereof are new compounds with a pronounced protective action on the stomach. Processes for preparing these compounds, medicaments containing them and their use, as well as intermediate compounds and their use for preparing the subject dialkoxypyridines, are disclosed.
式I的二烷氧基吡啶##STR1##其中R1是完全或主要由氟或氯二氟甲基取代的1-3C-烷基,R1'是氢、卤素、三氟甲基、1-3C-烷基或1-3C-烷氧基,后者可以选择性地完全或主要由氟取代,或R1和R1'连同与R1连接的氧原子一起,是1-2C-烷二氧基,后者可以选择性地完全或部分由氟取代,或氯三氟乙烯二氧基,R3是1-3C-烷氧基,R2和R4中的一个是1-3C-烷氧基,另一个是氢原子或1-3C-烷基,n为0或1,以及它们的盐是一种对胃具有显著保护作用的新化合物。揭示了制备这些化合物的方法,含有它们的药物及其用途,以及中间体化合物及其用途用于制备所述二烷氧基吡啶。