Patent · US Active

Process for the manufacture of 3-oxo-tetrahydrofuran

US9399629B2 · kind B2 · utility

0Cited by

1References

6Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Lidong Xing · Shanghai, CN
Weitong Dong · Shanghai, CN
Jun Lu · East Longmeadow, US
Ulrich Scholz · Bad Hersfeld, DE
Jun Yan · Newark, US
Jinsong Yang · Shanghai, CN

Key dates

Filing date	Mar 11, 2014
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Mar 11, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D307/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

This invention relates to a novel method for the preparation of 3-oxo-tetrahydrofuran comprising oxidizing 3-hydroxy-tetrahydrofuran in the presence of a catalytic amount of 2,2,6,6-tetramethyl-piperidine-N-oxyl (TEMPO) with trichloroisocyanuric acid.

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