申请人:Hoffmann-La Roche Inc.
公开号:US04937371A1
公开(公告)日:1990-06-26
There are described dihydroxy naphthalene derivatives of the formula ##STR1## in which R.sub.1 is hydrogen, lower alkyl or benzyl, R.sub.2 is hydrogen, hydroxy or lower alkanoyloxy, R.sub.3 is hydrogen or lower alkyl, R.sub.4 is hydrogen or halogen, R.sub.5 is hydrogen, acyl, methyl or benzyl, m is 0 or 1, and n is an integer from 2 to 10, as well as salts thereof with pharmaceutically acceptable bases when R.sub.1 is hydrogen. These compounds are useful as agents for the treatment of inflammatory bowel diseases, for instance, colitis, as pro-drugs, or as intermediates for the preparation of such compounds.
描述了公式为##STR1##的二羟基萘衍生物,其中R.sub.1是氢、较低的烷基或苄基,R.sub.2是氢、羟基或较低的烷酰氧基,R.sub.3是氢或较低的烷基,R.sub.4是氢或卤素,R.sub.5是氢、酰基、甲基或苄基,m为0或1,n为2到10的整数,以及其与药学上可接受的碱的盐,当R.sub.1是氢时。这些化合物可用作治疗炎症性肠病的药物,例如结肠炎,作为前药,或作为制备这类化合物的中间体。