Patent · US Expired

Preparation of 4-substituted oxazolidin-5-ones

US4339589A · kind A · utility

7Cited by

2References

7Claims

0Family size

Assignee

BASF SE

Inventors

Wolfgang Steglich · Bonn, DE
Rudolf Hurnaus · Großenhain, DE
Peter Gruber · Bottmingen, CH
Boerries Kuebel · Berlin, DE

Key dates

Filing date	Aug 5, 1980
Grant date	Jul 13, 1982
Priority date	—
Expiry date	Aug 5, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D263/42
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Manufacture of 4-substituted oxazolinone-(5) compounds, which are intermediates for substituted aminoacids, by alkylation of 2-substituted or 3,4-disubstituted oxazolinone-(5) compounds in an aprotic solvent in the presence of a tertiary amine.

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