Patent · US Expired

Process for the preparation of amido acid phenyl esters

US6162933A · kind A · utility

0Cited by

2References

10Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Michael Seebach · Hattersheim, DE
Peter Naumann · Stockelsdorf, DE
Werner Janitschek · Heistenbach, DE

Key dates

Filing date	Jul 30, 1999
Grant date	Dec 19, 2000
Priority date	—
Expiry date	Jul 30, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3917
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation of amido acid phenyl esters of the formula ##STR1## by reaction of a compound of the formula ##STR2## with a compound of the formula ##STR3## in the presence of an acid halide, where A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, X and M are as defined in the description, is claimed. The resulting amido acid phenyl esters are used as bleach activators in detergents and cleaners.

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