A 6.alpha.-methylprednisolone derivative of the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or stands for the grouping ##STR2## where R.sup.3 is a straight or once-branched chain C.sub.1-4 alkyl group, a phenyl group or a lower alkoxy- or alkylthio-methyl group, and R.sup.2 is a straight or once-branched chain C.sub.1-4 alkyl group, a phenyl group or a lower alkoxy- or alkylthio-methyl group, with the proviso that when R.sup.2 is ethyl group, R.sup.1 should not be a hydrogen atom or R.sup.3 should not be ethyl group. This compound exhibits a strong local antiinflammatory effect and is, therefore, useful as a harmless external antiinflammatory drug for various dermal disorders and also as an antiallergic drug for treating asthma and the like allergic diseases.
一种6-α-
甲基泼尼松龙衍
生物,其一般式为:##STR1## 其中R.sup.1是氢原子或代表基团##STR2##其中R.sup.3是一条直链或一次分支链C.sub.1-4烷基、苯基或较低的烷氧基或烷
硫基甲基,而R.sup.2是一条直链或一次分支链C.sub.1-4烷基、苯基或较低的烷氧基或烷
硫基甲基,但是当R.sup.2是乙基基团时,R.sup.1不应为氢原子或R.sup.3不应为乙基基团。该化合物表现出强烈的局部抗炎作用,因此,它可用作各种皮肤疾病的无害外用抗炎药物,以及用于治疗哮喘和其他过敏性疾病的抗过敏药物。