HUP9702172A2 - Vizes ozonolízis - Google Patents

Vizes ozonolízis

Info

Publication number
HUP9702172A2
HUP9702172A2 HU9702172A HUP9702172A HUP9702172A2 HU P9702172 A2 HUP9702172 A2 HU P9702172A2 HU 9702172 A HU9702172 A HU 9702172A HU P9702172 A HUP9702172 A HU P9702172A HU P9702172 A2 HUP9702172 A2 HU P9702172A2
Authority
HU
Hungary
Prior art keywords
aqueous
ozonization
ester
acid
mixture
Prior art date
Application number
HU9702172A
Other languages
English (en)
Inventor
Christian Burger
Karl-Heinz Giselbrecht
Wolfram Hendel
Engelbert Kloimstein
Eduard Perndorfer
Antonia Praus
Klaus Reiter
Original Assignee
Dsm Chemie Linz Gmbh.
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 Dsm Chemie Linz Gmbh. filed Critical Dsm Chemie Linz Gmbh.
Publication of HU9702172D0 publication Critical patent/HU9702172D0/hu
Publication of HUP9702172A2 publication Critical patent/HUP9702172A2/hu
Publication of HUP9702172A3 publication Critical patent/HUP9702172A3/hu
Publication of HU219849B publication Critical patent/HU219849B/hu

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
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Eljárás gliőxilsav-észtereknek vagy azők hidrátjainak azelőállítására, amelynek sőrán maleinsav- vagy fűmársavmőnőészternekvagy ezek keverékének vízőldható sóját vizes őldatban 0-50 řChőmérsékleteken ózőnnal reagáltatjűk, és a megfelelő gliőxilsavésztert vagy annak hidrátját a kapőtt reakciókeverekből elkülönítjük.ŕ
HU9702172A 1996-11-21 1997-11-20 Vizes ozonolízis HU219849B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0203296A AT404593B (de) 1996-11-21 1996-11-21 Verfahren zur herstellung von glyoxylsäureestern und deren hydraten

Publications (4)

Publication Number Publication Date
HU9702172D0 HU9702172D0 (en) 1998-01-28
HUP9702172A2 true HUP9702172A2 (hu) 1998-07-28
HUP9702172A3 HUP9702172A3 (en) 1999-04-28
HU219849B HU219849B (hu) 2001-08-28

Family

ID=3526345

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9702172A HU219849B (hu) 1996-11-21 1997-11-20 Vizes ozonolízis

Country Status (11)

Country Link
US (1) US5939580A (hu)
EP (1) EP0844232B1 (hu)
JP (1) JPH10182557A (hu)
CN (1) CN1133617C (hu)
AR (1) AR008530A1 (hu)
AT (2) AT404593B (hu)
BR (1) BR9705762A (hu)
CZ (1) CZ292581B6 (hu)
DE (1) DE59702925D1 (hu)
ES (1) ES2153630T3 (hu)
HU (1) HU219849B (hu)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040254395A1 (en) * 2002-12-20 2004-12-16 Cook Phillip Michael Ozonolysis process for preparing menthyl glyoxylate hydrate
WO2020082007A1 (en) * 2018-10-19 2020-04-23 P2 Science, Inc. New methods for disproportionation quenching of ozonides

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145232A (en) * 1959-11-03 1964-08-18 Monsanto Co Ozonization and reduction of unsaturated organic compounds
JPS5140030A (en) * 1974-10-02 1976-04-03 Hitachi Electronics Satsuzokanno jidofuookasuseigyohoshiki
DE3224795A1 (de) * 1982-07-02 1984-01-05 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren zur herstellung von glyoxylsaeure und glyoxylsaeurederivaten
JPH0830026B2 (ja) * 1987-05-27 1996-03-27 三井東圧化学株式会社 グリオキシル酸類の製造法
JPH05140030A (ja) * 1991-11-19 1993-06-08 Agency Of Ind Science & Technol グリオキシル酸類の製造方法
AU4538196A (en) * 1995-01-23 1996-08-14 Lonza A.G. Process for producing 2,2-dihydroxyacetic acid menthyl ester

Also Published As

Publication number Publication date
EP0844232A1 (de) 1998-05-27
US5939580A (en) 1999-08-17
CZ292581B6 (cs) 2003-10-15
JPH10182557A (ja) 1998-07-07
AT404593B (de) 1998-12-28
CN1133617C (zh) 2004-01-07
BR9705762A (pt) 1999-11-23
AR008530A1 (es) 2000-01-19
CN1183404A (zh) 1998-06-03
HUP9702172A3 (en) 1999-04-28
ES2153630T3 (es) 2001-03-01
HU219849B (hu) 2001-08-28
ATA203296A (de) 1998-05-15
EP0844232B1 (de) 2001-01-17
CZ365197A3 (cs) 1998-06-17
HU9702172D0 (en) 1998-01-28
ATE198735T1 (de) 2001-02-15
DE59702925D1 (de) 2001-02-22

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee