the present invention relates to the preparation of stable pyridone disulphide derivatives having general formula and its stereoisomers , which are useful in the treatment of gastrointestinal disorders . pyridone disulphide derivatives 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 .