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:
Jun. 07, 1977
Filed:
Aug. 04, 1975
Applicant:
Inventors:
Carlos Sunkel Letelier, Olvega, ES;
Fernando Cillero Grafulla, Ferraz, ES;
Assignee:
Alter S.A., Madrid, ES;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424266 ;
Abstract
This invention provides a process for the preparation of glycol 2-(p-chlorophenoxy)-2-methylpropionate nicotinate, of formula (I): ##STR1## which process is characterized in that 2-(p-chlorophenoxy)-2-methylpropionic acid, of formula (II): ##STR2## is reacted with ethylene oxide in an inert solvent in the presence of a catalyst, to prepare the monoglycol ester of the acid (II), of formula (III): ##STR3## which is in turn reacted with nicotinic acid chloride in an inert solvent and in the presence of a base, to prepare the final product, of formula (I).