申请人:Hoffmann-La Roche Inc.
公开号:US05025036A1
公开(公告)日:1991-06-18
The invention relates to catechol carboxylic acid derivatives of the formula ##STR1## wherein, R.sub.1 is ##STR2## acetyl, hydrogen, hydroxy or alkanoyloxy, R.sub.2 is ##STR3## hydroxy, hydrogen or alkanoyloxy, wherein R is hydrogen, lower alkyl or --(CH.sub.2).sub.n --N--(lower alkyl).sub.2, R.sub.3 is hydrogen, lower alkyl or amino, R.sub.4 is hydrogen, lower alkyl, halogen or amino A is ##STR4## wherein, R.sub.5 is hydrogen or acyl, R.sub.6 is hydrogen, halogen, lower alkyl, aryl or cycloalkyl, and R.sub.7 and R.sub.8, independently, are hydrogen, lower alkyl or halogen, or A is ##STR5## wherein, R.sub.5 is hydrogen or acyl, R.sub.9 is hydrogen, lower alkyl, R.sub.10 is hydrogen, lower alkyl or halogen, R.sub.11 is hydrogen, lower alkyl, cycloalkyl or halogen, m is 0 or 1, n is an integer of 2-10, provided, that no more than one of R.sub.1 or R.sub.2 can be hydroxy, alkanoyloxy or ##STR6## and when R is hydrogen, salts thereof with pharmaceutically acceptable bases or when R is --(CH.sub.2).sub.n --N--(lower alkyl).sub.2, salts thereof with pharmaceutically acceptable acids. The compounds of formula I are useful as agents for the treatment of inflammatory diseases such as arthritis, inflammatory bowel disease such as colitis, cardiovascular diseases such as myocardial ischemia, skin diseases such as psoriasis by topical administration, and bronchopulmonary diseases such as asthma.
这项发明涉及公式##STR1##的儿茶酚羧酸衍生物,其中,R.sub.1为##STR2##乙酰基,氢,羟基或烷酰氧基,R.sub.2为##STR3##羟基,氢或烷酰氧基,其中R为氢,低烷基或--(CH.sub.2).sub.n --N--(低烷基).sub.2,R.sub.3为氢,低烷基或氨基,R.sub.4为氢,低烷基,卤素或氨基,A为##STR4##其中,R.sub.5为氢或酰基,R.sub.6为氢,卤素,低烷基,芳基或环烷基,而R.sub.7和R.sub.8,独立地,为氢,低烷基或卤素,或A为##STR5##其中,R.sub.5为氢或酰基,R.sub.9为氢,低烷基,R.sub.10为氢,低烷基或卤素,R.sub.11为氢,低烷基,环烷基或卤素,m为0或1,n为2-10的整数,前提是R.sub.1或R.sub.2中不超过一个可以是羟基,烷酰氧基或##STR6##,当R为氢时,其与药学上可接受的碱盐,或当R为--(CH.sub.2).sub.n --N--(低烷基).sub.2时,其与药学上可接受的酸盐。公式I的化合物可用作治疗类风湿性关节炎、炎症性肠病如结肠炎、心血管疾病如心肌缺血、皮肤疾病如牛皮癣经局部给药治疗,以及支气管肺部疾病如哮喘的药物。