A compound of the formula: ##STR1## in which R is alkyl, phenyl or halophenyl; R.sup.2 is substituted phenyl having from 1 to 3 substituents selected from halo, alkyl, alkylthio, alkylsulfonyl, cyano, trifluoromethyl, or R.sup.2 is pyridinyl, pyrazinyl, quinolinyl, N-alkylpyrrolyl, thienyl, benzothienyl, or furyl; and n is 1 or 2, are cytoprotective anti-ulcer agents.
化合物的公式为:##STR1## 其中 R 是烷基,苯基或卤代苯基;R.sup.2 是被取代的苯基,其有 1 到 3 个取代基,选自卤素,烷基,
硫代烷基,磺酰基烷基,
氰基,三
氟甲基,或 R.sup.2 是
吡啶基,
吡嗪基,
喹啉基,N-烷基
吡咯基,
噻吩基,
苯并噻吩基或
呋喃基;n 是 1 或 2,是细胞保护性抗溃疡剂。