摘要 |
Compounds of structure (I) <CHEM> in which R<1> is hydrogen, C1-6alkyl, C1-6alkoxy, C1-6alkoxyC1-6-alkyl, C3-6cycloalkyl, C3-6cycloalkylC1-6alkyl, phenyl, phenylC1-6alkyl, the phenyl groups being optionally substituted; R<2> is hydrogen, C1-6alkyl, C1-6alkoxy, amino, C1-6-alkylthio, halogen, cyano, hydroxy, carbamoyl, carboxy, C1-6alkanoyl or trifluoromethyl; m is 1, 2 or 3; p is 0 to 4; R<3> is hydroxyC1-6alkyl, polyhydroxyC1-6alkyl, C1-6alkoxy1-6alkyl, hydroxyC1-6alkoxy, polyhydroxyC1-6alkoxy, C1-6alkoxyC1-6alkoxy or hydroxyC1-6alkoxyC1-6alkoxy; and R<4> is hydrogen, hydroxy, C1-6alkyl, or C1-6alkoxy, processes for their preparation, intermediates useful in their preparation, pharmaceutical compositions containing them and their use in therapy as inhibitors of gastric acid secretion. |