Pregnane derivatives, processes for their preparation and...

Details Pregnane derivatives, processes for their preparation and... Pregnane derivatives, processes for their preparation and...

C - Chemistry, Metallurgy

07

J

260/93

C07J 7/00 (2006.01) C07J 31/00 (2006.01)

Patent

CA 1307522

Abstract The invention provides novel pregnane derivatives having the formula: Image wherein X = F, Cl or Br; R1 = F or Cl; R2 = H(.beta.OH) 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.

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