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:
Oct. 17, 1995
Filed:
Feb. 08, 1994
Christian Schmitz, Anse, FR;
Rhone-Poulenc Agrochimie, Lyon Cedex, FR;
Abstract
A new process for the preparation of a phenylbenzamide derivative of the formula ##STR1## wherein R is C.sub.1 -C.sub.2 alkyl, substituted with 2 to 5 F, and each of R.sub.1 and R.sub.2, which can be identical or different, is methyl or ethyl, or --NR.sub.1 R.sub.2 is morpholino, comprising condensing a haloenone (I) with an acetoamide (II), according to scheme ##STR2## in the presence of an organic solvent and 1 to 2 equivalents of base, followed by converting the resulting product in two steps, one of which is a reduction, to the corresponding compound of formula (A). Phenylbenzamides of formula (A) are agricultural fungicides. The new process is suited to large-scale production of these compounds.