Patent · US Expired

Preparation of polycyclic nitrogen-containing compounds

US4562262A · kind A · utility

1Cited by

1References

8Claims

0Family size

Assignee

BASF SE

Inventors

Norbert Rieber · Mannheim, DE
Heinrich Bohm · Schifferstadt, DE
Rolf Platz
Werner Fuchs · Herrsching am Ammersee, DE

Key dates

Filing date	Nov 28, 1984
Grant date	Dec 31, 1985
Priority date	—
Expiry date	Nov 28, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D487/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation of polycyclic nitrogen-containing compounds of the formula ##STR1## where R is hydrogen or an organic radical, wherein a compound of the formula ##STR2## where Alk is alkyl of 1 to 4 carbon atoms and R has the above meanings, is reacted with a solution of an alkali metal hydroxide or of calcium hydroxide and the product is then oxidized.

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