The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2000
Filed:
Jan. 27, 1998
Applicant:
Inventors:
Johannes Becherer, Maintal, DE;
Klaus Delpy, Dietzenbach, DE;
Karl-Heinz Keil, Hanau, DE;
Bernhard Mees, Eppstein, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
540200 ; 540362 ; 540451 ; 540529 ; 546221 ; 546245 ; 548530 ; 548539 ; 548540 ; 564152 ; 564155 ; 564159 ;
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.