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2-Substituted vitamin D derivatives

  • US 5,883,271 A
  • Filed: 10/08/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 01/23/1995
  • Status: Expired due to Fees
First Claim
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1. A compound represented by general formula (I):

  • ##STR17## wherein R1 and R2, each represents an ethyl group and R3 represents an alkoxy group having 1 to 7 carbon atoms which may be substituted by one or more substituents selected from a hydroxyl group, a halogen atom, a cyano group, an alkoxy group having 1 to 4 carbon atoms, an amino group and an acylamino group with the proviso that R1 and R2 are not a methyl group simultaneously.

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