The present invention relates to the preparation of stable pyridone disulphide derivatives having general formula (I) and its stereoisomers, which are useful in the treatment of gastrointestinal disorders. Pyridone disulphide derivatives (I) wherein, R
1
, R
2
and R
3
are independently alkyl, alkoxy, halogen, halogenated alkoxy, halogenated alkyl, hydrogen and could be the same or different and X is CH or N. R
1
is methyl, methoxy, fluorine, trifluoromethyl, difluoromethoxy and hydrogen, R
2
is methyl, methoxy and hydrogen, and R
3
is methyl and hydrogen.
本发明涉及制备稳定的
吡啶二
硫代衍
生物,其通式为(I)及其立体异构体,可用于治疗胃肠道疾病。
吡啶二
硫代衍
生物(I)中,R1、R2和R3独立地为烷基、烷氧基、卤素、卤代烷氧基、卤代烷基、氢,可以相同也可以不同,X为CH或N。其中,R1为甲基、甲氧基、
氟、三
氟甲基、二
氟甲氧基和氢,R2为甲基、甲氧基和氢,R3为甲基和氢。