Novel pregnane derivatives, processes for their preparaton and pharmaceutical compositions containing same
申请人:AKZO N.V.
公开号:EP0231958A1
公开(公告)日:1987-08-12
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.