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:
Dec. 02, 1997
Filed:
Feb. 07, 1996
Andreas Dierdorf, Frankfurt, DE;
Theodor Papenfuhs, Frankfurt, DE;
Siegfried Planker, Konigstein, DE;
Hoechst Aktiengesellschaft, , DE;
Abstract
The present invention relates to a process for the preparation of O-acyloxycarboxanilides of the formula (I) ##STR1## in which R is a radical having 1 to 6 carbon atoms, n is an integer from 1 to 10, R.sup.1 is hydrogen or an alkyl radical having 1 to 12 carbon atoms, R.sup.2 and R.sup.3 are identical or different and are hydrogen, an alkyl radical having 1 to 12 carbon atoms, an aryl radical having 6 to 12 carbon atoms, a cycloalkyl radical having 5 to 12 carbon atoms in the ring, an alkenyl or alkynyl radical having 3 to 12 carbon atoms, NO.sub.2, F, Cl, Br or CN, by reacting a chlorocarboxanilide of the formula (II) ##STR2## in which n, R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meaning, with an alkali metal carboxylate of the formula (III)