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Vitamin D derivatives

  • US 6,043,385 A
  • Filed: 12/01/1998
  • Issued: 03/28/2000
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
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1. A compound of the formula I ##STR52## wherein X is C═

  • CH2 or CH2 ;

    Y is hydrogen, fluorine or hydroxyZ is hydroxyn is 1 or2R1 is lower alkyl,R2 is a branched alkyl having 3 to 8 carbon atoms which is unsubstituted or substituted with one or more halogen or OH substituents, or is a phenyl group which is unsubstituted or substituted with a branched alkyl having 3 to 8 carbon atoms which is unsubstituted or substituted with one or more halogen or OH substituents;

    and the dotted carbon-carbon bond in ring D is --C--C-- or --C═

    C--;

    or a pharmaceutically usable salt thereof.

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