| 摘要 |
NEW MATERIAL:A compound shown by the formula I[R<1> and R<2> are H, alkyl, alkoxy, halogen, OH, alkenyloxy, alkynyloxy or alkoxyalkoxy; R<3> and R<4> are H, halogen, (halogen-substituted)alkyl, alkoxy, NO2 or alkanoyl; A and B are alkylene; l, m and n are 0 or 1] and its salt. EXAMPLE:5-(5-Methoxy-2-benzimidazolyl)-sulfinyl-5,6,7,8-tetrahydroquin oline. USE:Having antiulcer action, useful as a remedy for ulcers of digestive organ such as gastric ulcer, duodenal ulcer, etc. PREPARATION:For example, a compound shown by the formula II is reacted with a compound shown by the formula III(one of X1 and X2 is mercapto and the other is halogen, alkanesulfonyloxy, etc.,) in a proper solvent in the presence of a basic compound, to give a compound shown by the formula I where lis 0. |
