A 6a-methylprednisolone derivative of the general formula:
wherein R' is a hydrogen atom or the group
where R3 is a straight or once-branched chain C1-4 alkyl group, a phenyl group or a lower alkoxy- or alkylthio-methyl group, and R2 is a straight or once-branched chain C1-4 alkyl group, a phenyl group or a lower alkoxy- or alkylthio-methyl group, with the proviso that when R2 is ethyl group, R1 is not a hydrogen atom or a propionyl group.
These compounds exhibit a strong local anti-inflammatory effect and so are useful in external anti-inflammatory preparations for the treatment of various dermal disorders and also as anti-allergic drugs for the treatment of asthma and other allergic diseases.
通式如下的 6a-
甲基泼尼松龙衍
生物
其中 R' 是
氢原子或基团
其中 R3 是直链或一度支链 C1-4 烷基、
苯基或低级烷
氧基或烷基
硫代
甲基,R2 是直链或一度支链 C1-4 烷基、
苯基或低级烷
氧基或烷基
硫代
甲基,但当 R2 为乙基时,R1 不是
氢原子或丙酰基。
这些化合物具有很强的局部消炎作用,因此可用于治疗各种皮肤病的外用消炎制剂,也可用作治疗哮喘和其他过敏性疾病的抗过敏药物。