Patent · US Expired

Process for the preparation of 19-hydroxy steroids of the androstane and pregnane series

US4284720A · kind A · utility

2Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 14, 1980
Grant dateAug 18, 1981
Priority date
Expiry dateJan 14, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/911
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

10-Methyl steroids of the androstane or pregnane series are converted to the corresponding 19-hydroxy steroid by fermentation with a fungal culture of the genus Nigrospora.

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