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    • 1. 发明授权
    • Antipsoriatic agents
    • 抗牛皮癣药
    • US5200549A
    • 1993-04-06
    • US764641
    • 1991-09-24
    • Peter M. WovkulichMilan R. UskokovicAnn GoldsteinJohn A. McLane
    • Peter M. WovkulichMilan R. UskokovicAnn GoldsteinJohn A. McLane
    • C07C53/21C07D309/30
    • C07C53/21C07D309/30
    • The invention relates to compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl; ##STR2## wherein R.sub.2 is lower alkyl; R.sub.3 is phenyl, or phenyl substituted by 1 to 3 substituents selected from the group consisting of halo, lower alkyl, and lower alkoxy; and R.sub.4 is hydrogen or methyl or the corresponding hydroxy acid of formula ##STR3## and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as described above; or a pharmaceutically acceptable salt of said acid, a C.sub.1-4 alkyl ester of said acid, an acetylamino-substituted-C.sub.1-4 alkyl ester of said acid, a phenyl-dimethylamino ester of said acid or a .alpha.-monoglyceride of said acid.The compounds of formulas I and II are useful as agents for the treatment of hyperproliferative skin diseases such as psoriasis.
    • 本发明涉及式Ⅰ化合物,其中R 1是氢或甲基; 其中R2是低级烷基; 或者被1至3个选自卤代,低级烷基和低级烷氧基的取代基取代的苯基; 并且R 4是氢或甲基,或者相应的式II的羟基酸,R 1,R 2,R 3和R 4如上所述; 或所述酸的药学上可接受的盐,所述酸的C 1-4烷基酯,所述酸的乙酰氨基取代的C 1-4烷基酯,所述酸的苯基二甲基氨基酯或所述酸的α-单酸甘油酯。 式I和II的化合物可用作治疗过度增生性皮肤疾病如牛皮癣的药剂。