申请人:Otsuka Pharmaceutical Factory, Inc.
公开号:US05187161A1
公开(公告)日:1993-02-16
A p-aminophenol derivative having anti-inflammatory activity, represented by the formula ##STR1## wherein each of R.sup.1 and R.sup.2 is independently a hydrogen atom or a C.sub.1-6 acyl group; Ar is a pyrazine, pyrazine N-oxide, thiazole, benzene, pyridine, pyridazine, pyrimidine or triazine ring; R.sup.3 is a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy-carbonyl-C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a halogen atom or a carboxy-C.sub.1-6 alkyl group; A is a C.sub.1-6 alkylene group; and B is a C.sub.1-6 alkyl group, or a salt thereof.
具有抗炎活性的对氨基苯酚衍生物,化学式为 ##STR1## 其中R.sup.1和R.sup.2各自独立地是氢原子或C.sub.1-6酰基基团;Ar是吡嗪、吡嗪N-氧化物、噻唑、苯、吡啶、吡啶并嘧啶、嘧啶或三嗪环;R.sup.3是氢原子、C.sub.1-6烷基、C.sub.1-6烷氧羰基-C.sub.1-6烷基、C.sub.1-6烷氧基、卤原子或羧基-C.sub.1-6烷基;A是C.sub.1-6烷基;B是C.sub.1-6烷基,或其盐。