Patent · US Expired

5,6-Dihydro-11-alkylene-morphanthridin-6-ones

US4336192A · kind A · utility

3Cited by

3References

2Claims

0Family size

Assignee

BASF SE

Inventors

Gerd Steiner · Tauberbischofsheim, DE
Albrecht Franke

Key dates

Filing date	Nov 20, 1980
Grant date	Jun 22, 1982
Priority date	—
Expiry date	Nov 20, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D223/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

5,6-Dihydro-11-alkylene-morphanthridin-6-ones and processes for their preparation. The compounds are valuable intermediates for chemical syntheses, especially of drugs.

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