Patent · US Expired

Introduction of a fluorine atom

US4383947A · kind A · utility

0Cited by
12References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 24, 1981
Grant dateMay 17, 1983
Priority date
Expiry dateJul 24, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J1/0011
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Perchloryl fluoride when reacted with the appropriately protected 9.alpha.-hydroxyandrostenedione stereoselectively produces the corresponding 6.beta.-fluoro steroid.

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