Patent · US Active

Process for preparing benzomorpholine derivatives by hydrogenating o-nitrophenoxy carbonyl compounds

US8252924B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

Saltigo GmbH · DE

Inventors

Matthias Boll
Burkhard Koch

Key dates

Filing date	Dec 18, 2009
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Mar 13, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D265/36
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing benzomorpholine derivatives is described, in which an o-nitrophenoxy carbonyl compound is hydrogenated in the presence of extraneous metal-doped sponge metal catalysts based on nickel or cobalt with ring formation.

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