DE2811480A1 - Verfahren zur herstellung und rueckgewinnung von glyoxylsaeurehemiacetalestern in verbesserten ausbeuten - Google Patents

Verfahren zur herstellung und rueckgewinnung von glyoxylsaeurehemiacetalestern in verbesserten ausbeuten

Info

Publication number
DE2811480A1
DE2811480A1 DE19782811480 DE2811480A DE2811480A1 DE 2811480 A1 DE2811480 A1 DE 2811480A1 DE 19782811480 DE19782811480 DE 19782811480 DE 2811480 A DE2811480 A DE 2811480A DE 2811480 A1 DE2811480 A1 DE 2811480A1
Authority
DE
Germany
Prior art keywords
esters
hemiacetal
glyoxylic acid
phosphoric acid
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19782811480
Other languages
German (de)
English (en)
Other versions
DE2811480C2 (US06566495-20030520-M00011.png
Inventor
Yani Christidis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Publication of DE2811480A1 publication Critical patent/DE2811480A1/de
Application granted granted Critical
Publication of DE2811480C2 publication Critical patent/DE2811480C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19782811480 1977-03-17 1978-03-16 Verfahren zur herstellung und rueckgewinnung von glyoxylsaeurehemiacetalestern in verbesserten ausbeuten Granted DE2811480A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7708071A FR2383911A1 (fr) 1977-03-17 1977-03-17 Procede permettant d'augmenter les rendements en hemiacetal-esters de l'acide glyoxylique au cours de leur obtention ou leurs taux de recuperation dans les milieux les contenant

Publications (2)

Publication Number Publication Date
DE2811480A1 true DE2811480A1 (de) 1978-09-21
DE2811480C2 DE2811480C2 (US06566495-20030520-M00011.png) 1987-02-26

Family

ID=9188234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782811480 Granted DE2811480A1 (de) 1977-03-17 1978-03-16 Verfahren zur herstellung und rueckgewinnung von glyoxylsaeurehemiacetalestern in verbesserten ausbeuten

Country Status (6)

Country Link
US (1) US4156093A (US06566495-20030520-M00011.png)
JP (1) JPS6021575B2 (US06566495-20030520-M00011.png)
CH (1) CH631151A5 (US06566495-20030520-M00011.png)
DE (1) DE2811480A1 (US06566495-20030520-M00011.png)
FR (1) FR2383911A1 (US06566495-20030520-M00011.png)
GB (1) GB1567447A (US06566495-20030520-M00011.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230951A2 (de) * 1986-01-25 1987-08-05 Hoechst Aktiengesellschaft Halbacetale von Glyoxylsäureestern sowie Verfahren zur Isolierung von Glyoxylsäureestern
US4820385A (en) * 1988-02-18 1989-04-11 Monsanto Company Purification of alkyl glyoxylate in a continuous column by azeotropic distillation

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760168A (en) * 1982-05-12 1988-07-26 American Cyanamid Company Preparation of alkyl acrylamidoglycolates and their alkyl ethers
US4443623A (en) * 1982-05-12 1984-04-17 American Cyanamid Company Preparation of predominately methyl acrylamidoglycolate methyl ether in a normally liquid product
DE3224795A1 (de) * 1982-07-02 1984-01-05 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren zur herstellung von glyoxylsaeure und glyoxylsaeurederivaten
US4419258A (en) * 1982-09-30 1983-12-06 Monsanto Company Dialkyl glyoxylate surfactants
DE3446528A1 (de) * 1984-12-20 1986-06-26 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von glyoxylsaeurehemiacetalestern
US4867849A (en) * 1988-07-25 1989-09-19 Cova Dario R Purification of alkyl glyoxylate
JP3150909B2 (ja) * 1996-09-05 2001-03-26 株式会社日本触媒 グリオキシル酸エステル類の精製方法
JP4891591B2 (ja) * 2005-10-25 2012-03-07 東ソ−・エフテック株式会社 トリフルオロアセトアルデヒドヘミアセタールの回収方法
JP4856453B2 (ja) * 2006-03-14 2012-01-18 河村電器産業株式会社 電気機器収納用箱体
JP2008163574A (ja) * 2006-12-27 2008-07-17 Kawamura Electric Inc 機器収納用箱体の蝶番構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911003A (en) * 1974-06-19 1975-10-07 Chevron Res Process for the production of glycolic acid and oxydiacetic acid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230951A2 (de) * 1986-01-25 1987-08-05 Hoechst Aktiengesellschaft Halbacetale von Glyoxylsäureestern sowie Verfahren zur Isolierung von Glyoxylsäureestern
EP0230951A3 (en) * 1986-01-25 1988-07-20 Hoechst Aktiengesellschaft Hemiacetals of glyoxylic acid esters and process for isolation of glyoxylic acid esters
US4814491A (en) * 1986-01-25 1989-03-21 Hoeschst Aktiengesellschaft Hemiacetals of glyoxylic esters and a process for the isolation of glyoxylic esters
US4820385A (en) * 1988-02-18 1989-04-11 Monsanto Company Purification of alkyl glyoxylate in a continuous column by azeotropic distillation

Also Published As

Publication number Publication date
JPS53116319A (en) 1978-10-11
JPS6021575B2 (ja) 1985-05-28
DE2811480C2 (US06566495-20030520-M00011.png) 1987-02-26
FR2383911B1 (US06566495-20030520-M00011.png) 1980-04-04
FR2383911A1 (fr) 1978-10-13
GB1567447A (en) 1980-05-14
CH631151A5 (fr) 1982-07-30
US4156093A (en) 1979-05-22

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee