Patent · US Expired

Steroid intermediates for the formation of vitamin D.sub.3 analogues

US5393900A · kind A · utility

2Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1994
Grant dateFeb 28, 1995
Priority date
Expiry dateJun 7, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/1804
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention comprises compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or acyl; provided that only one of R.sup.1 or R.sup.2 is hydrogen, useful in the treatment of hyperproliferative skin diseases and sebaceous gland diseases. The invention also includes a process for making these compounds and steroid intermediates of the process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.