申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US04694017A1
公开(公告)日:1987-09-15
Novel oxindole derivative and salt thereof represented by the general formula, ##STR1## wherein R.sup.1 is a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a phenyl-lower alkyl group; R.sup.2 is a hydrogen atom or a lower alkyl group; R.sup.3 is a hydrogen atom, a cycloalkylcarbonyl group, a benzoyl group which may have 1 to 3 substituents selected from the group consisting of a halogen atom, a lower alkyl group and a lower alkoxy group on the phenyl ring, or a phenyl-lower alkanoyl group which may have halogen atoms as the substituents on the phenyl ring; provided that when R.sup.4 is a hydrogen atom, then R.sup.3 should be neither a hydrogen atom nor a lower alkyl group. The novel oxindole derivative and salt thereof possesses anti-peptic ulcer effects and are useful as anti-peptic ulcer agents.
新的恶唑酮衍生物及其盐由通式表示,其中R.sup.1是氢原子、较低的烷基基团、较低的烯基基团、较低的炔基基团或苯基较低的烷基基团;R.sup.2是氢原子或较低的烷基基团;R.sup.3是氢原子、环烷基酰基团、苯甲酰基团,其在苯环上可能有1至3个取自卤原子、较低的烷基基团和较低的烷氧基团的取代基,或苯基较低的烷酰基团,其在苯环上可能有卤原子作为取代基;但是当R.sup.4是氢原子时,R.sup.3既不应该是氢原子也不应该是较低的烷基基团。这种新的恶唑酮衍生物及其盐具有抗溃疡作用,可用作抗溃疡药物。