| abstract |
(57) [Summary] [PROBLEMS] To provide a compound represented by the following general formula and an acid addition salt, and an antiulcer agent containing the compound as an active ingredient. ## STR1 ## The following general formula (wherein R 1 is a hydrogen atom or an unsubstituted or substituted lower alkyl group; R 2 is an unsubstituted or substituted quinolyl, isoquinolyl, phenyl or lower alkyl group; R 3 is Hydrogen atom or methyl group; R 4 is unsubstituted or substituted phenyl and triazolyl, or pyridino, furoyl, thienyl, furyl or lower alkyl group; X is nitrogen atom, sulfur atom, piperazino or sulfinyl group; Y is A is a sulfonyl or carbonyl group; A is a methylene, ethyleneoxy, ethylenethio, ethylenesulfinyl or propenylene group; Ph is a phenylene group which is unsubstituted or substituted with methoxy). [Chemical 1] |