The invention provides novel pregnane derivatives having the formula:
wherein X = F, Cl or Br; R₁ = F or Cl; R₂ = H(βOH) or O; R₃ = alkyl(1-4 C); R₄ = alkyl(1-4 C); and the dotted line indicates the optional presence of a double bond.
The novel compounds have been found to possess immunomodulating properties.
本发明提供了具有以下式子的新型孕烷衍
生物:
其中 X = F、Cl 或 Br;R₁ = F 或 Cl;R₂ = H(βOH) 或 O;R₃ = 烷基(1-4 C);R₄ = 烷基(1-4 C);虚线表示双键的任选存在。
这些新型化合物具有免疫调节特性。