Patent · US Expired

Microbiological process for the production of 7-substituted 11-hydroxy steroids, 7,17-substituted 11-Halogen steroids and uses thereof

US7262023B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

Bayer Schering Pharma AG · DE

Inventors

Ludwig Zorn · Berlin, DE
Rolf Bohlmann · Berlin, DE
Norbert Gallus · Berlin, DE
Hermann Kuenzer · Berlin, DE
Hans-Peter Muhn · Berlin, DE
Reinhard NUBBEMEYER · Berlin, DE

Key dates

Filing date	Jul 24, 2003
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Sep 30, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12P33/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A novel method of synthesis for the manufacture of upstream products for the production of compounds with general formulas 8, 10, and 12 is described. In this synthesis, compounds with general formula 4,B are produced in a microbiological reaction. The meanings of R7, R10, R11, R13, R17 and R17′ as well as of the grouping U—V—W—X—Y—Z are indicated in the claims

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