Patent · US Expired

Process for the preparation of diacylimides

US6028192A · kind A · utility

3Cited by

0References

11Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Johannes Becherer · Maintal, DE
Klaus Delpy · Dietzenbach, DE
Karl-Heinz Keil · Hanau, DE
Bernhard Mees · Charlotte, US

Key dates

Filing date	Jan 27, 1998
Grant date	Feb 22, 2000
Priority date	—
Expiry date	Jan 27, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D223/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of compounds of the formula 1 ##STR1## by reacting a secondary acid amide of the formula 2 ##STR2## with an acid chloride of the formula 3 ##STR3## in the presence of N,N-diisopropyl-N-ethylamine. R.sup.1, R.sup.2 and R.sup.3 are alkyl or alkenyl radicals, if required also aryl radicals. The compounds of the formula 1 are suitable for use as insecticides or bleach activators.

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