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1. (WO1990003361) PREPARATION OF SODIUM DIETHYL OXALACETATE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1990/003361 International Application No.: PCT/US1989/004081
Publication Date: 05.04.1990 International Filing Date: 21.09.1989
Chapter 2 Demand Filed: 29.01.1990
IPC:
C07C 69/732 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
69
Esters of carboxylic acids; Esters of carbonic or haloformic acids
66
Esters of carboxylic acids having esterified carboxyl groups bound to acyclic carbon atoms and having any of the groups OH, O-metal, -CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
73
of unsaturated acids
732
of unsaturated hydroxy carboxylic acids
Applicants: HOECHST CELANESE CORPORATION[US/US]; 86 Morris Avenue Summit, NJ 07901, US
Inventors: GUPTON, B., Franklin; US
REA, James, H.; US
Agent: DEPAOLI, George, A.; Depaoli & O'Brien 2231 Crystal Drive Suite 1103 Arlington, VA 22202-3711, US
Priority Data:
247,49622.09.1988US
Title (EN) PREPARATION OF SODIUM DIETHYL OXALACETATE
(FR) PRODUCTION DE DIETHYL-OXALACETATE DE SODIUM
Abstract:
(EN) Sodium diethyl oxalacetate is prepared in a specific manner by adding sodium ethoxide to a mixture of diethyl oxalate and ethyl acetate to obtain a free flowing sodium salt which is easily separable and purified.
(FR) On produit de manière spécifique le diéthyl-oxalacétate de sodium par l'addition d'éthoxyde de sodium à un mélange d'oxalate de diéthyle et d'acétate d'éthyle, de manière à obtenir un sel de sodium s'écoulant librement et pouvant être séparé et purifié aisément.
Designated States: JP
European Patent Office (EPO) (FR)
Publication Language: English (EN)
Filing Language: English (EN)