Patent · US Expired

Intermediates for the preparation of 4-phenyl-1,3-benzodiazepines

US4933493A · kind A · utility

3Cited by

5References

13Claims

0Family size

Assignee

Hoechst Roussel Pharmaceuticals · US

Inventors

Lawrence L. Martin · Lebanon, US
Manfred Worm · Wiesbaden, DE
Charles A. Crichlow · Stockton, US

Key dates

Filing date	Apr 6, 1989
Grant date	Jun 12, 1990
Priority date	—
Expiry date	Apr 6, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C205/45
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.

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