EA200100733A1 - Способ получения эфиров глиоксиловой кислоты или их гидратов - Google Patents

Способ получения эфиров глиоксиловой кислоты или их гидратов

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Publication number
EA200100733A1
EA200100733A1 EA200100733A EA200100733A EA200100733A1 EA 200100733 A1 EA200100733 A1 EA 200100733A1 EA 200100733 A EA200100733 A EA 200100733A EA 200100733 A EA200100733 A EA 200100733A EA 200100733 A1 EA200100733 A1 EA 200100733A1
Authority
EA
Eurasian Patent Office
Prior art keywords
glyoxylic acid
acid esters
hydrates
catalyst
alcohol
Prior art date
Application number
EA200100733A
Other languages
English (en)
Other versions
EA003875B1 (ru
Inventor
Курт Циммерманн
Александер Зайтос
Original Assignee
Дсм Файн Кемикалс Аустриа Нфг Гмбх Унд Ко Кг
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 Дсм Файн Кемикалс Аустриа Нфг Гмбх Унд Ко Кг filed Critical Дсм Файн Кемикалс Аустриа Нфг Гмбх Унд Ко Кг
Publication of EA200100733A1 publication Critical patent/EA200100733A1/ru
Publication of EA003875B1 publication Critical patent/EA003875B1/ru

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/31Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/313Preparation 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 doubly bound oxygen containing functional groups, e.g. carboxyl groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/03Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group

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)

Abstract

Способ получения эфиров глиоксиловой кислоты из полуацеталей эфиров глиоксиловой кислоты, которые или а) непосредственно переэтерифицируют спиртом в присутствии катализатора, или в) сначала переводят в соответствующие полные ацетали эфиров глиоксиловой кислоты и потом переэтерифицируют спиртом в присутствии катализатора, после чего вслед за а) и в) следует расщепление ацеталя до желаемого свободного эфира глиоксиловой кислоты или его гидрата.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200100733A 1998-12-28 1999-12-06 Способ получения эфиров глиоксиловой кислоты или их гидратов EA003875B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT217398 1998-12-28
PCT/EP1999/009517 WO2000039068A1 (de) 1998-12-28 1999-12-06 Verfahren zur herstellung von glyoxylsäureestern oder deren hydrate

Publications (2)

Publication Number Publication Date
EA200100733A1 true EA200100733A1 (ru) 2003-08-28
EA003875B1 EA003875B1 (ru) 2003-10-30

Family

ID=3529292

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200100733A EA003875B1 (ru) 1998-12-28 1999-12-06 Способ получения эфиров глиоксиловой кислоты или их гидратов

Country Status (20)

Country Link
EP (1) EP1140769B1 (ru)
JP (1) JP2002533427A (ru)
KR (1) KR20010099981A (ru)
CN (1) CN1332716A (ru)
AU (1) AU767512B2 (ru)
BR (1) BR9916648A (ru)
CA (1) CA2353854A1 (ru)
CZ (1) CZ20012374A3 (ru)
DE (1) DE59905592D1 (ru)
EA (1) EA003875B1 (ru)
ES (1) ES2194531T3 (ru)
HU (1) HUP0105470A2 (ru)
IL (1) IL143676A0 (ru)
NO (1) NO20013068D0 (ru)
NZ (1) NZ512248A (ru)
PL (1) PL348526A1 (ru)
SK (1) SK283694B6 (ru)
TR (1) TR200101977T2 (ru)
UA (1) UA62017C2 (ru)
WO (1) WO2000039068A1 (ru)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009221234A (ja) * 2009-07-09 2009-10-01 Takasago Internatl Corp グリオキシル酸エステル二量体の製造方法及び新規グリオキシル酸エステル二量体
WO2013129910A1 (en) 2012-02-28 2013-09-06 Petroliam Nasional Berhard Composition of matter polyols for polyurethane applications
MY174607A (en) * 2012-02-28 2020-04-29 Petroliam Nasional Berhad Petronas Method for the production of esters and uses thereof
CN104302612B (zh) 2012-02-28 2017-07-18 马来西亚国家石油公司 物质的润滑剂组合物及其制备方法
SG11201405270UA (en) 2012-02-28 2014-09-26 Petroliam Nasional Berhad Method for the production of polyols and uses thereof
JP6265919B2 (ja) 2012-02-28 2018-01-24 ペトロリアム ナショナル ブルハドPetroliam Nasional Berhad バイオ潤滑剤およびバイオポリマーのためのバイオポリオール類、およびそれらの生成方法
MY169226A (en) 2013-02-28 2019-03-19 Petroliam Nasional Berhad Preparation of biopolyol esters for lubricant application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710910B1 (fr) * 1993-10-05 1996-01-05 Hoechst France Sel de sodium de l'acide menthyloxycarbonyl-1 hydroxy-1 méthanesulfonique, son procédé de préparation et son application à l'obtention de glycoxylate de L(-)menthyle.

Also Published As

Publication number Publication date
CN1332716A (zh) 2002-01-23
KR20010099981A (ko) 2001-11-09
PL348526A1 (en) 2002-06-03
NZ512248A (en) 2003-08-29
NO20013068L (no) 2001-06-20
IL143676A0 (en) 2002-04-21
JP2002533427A (ja) 2002-10-08
UA62017C2 (en) 2003-12-15
SK8442001A3 (en) 2001-12-03
NO20013068D0 (no) 2001-06-20
AU1559100A (en) 2000-07-31
EP1140769B1 (de) 2003-05-14
HUP0105470A2 (en) 2002-05-29
CZ20012374A3 (cs) 2001-09-12
BR9916648A (pt) 2001-10-02
AU767512B2 (en) 2003-11-13
ES2194531T3 (es) 2003-11-16
EP1140769A1 (de) 2001-10-10
CA2353854A1 (en) 2000-07-06
DE59905592D1 (de) 2003-06-18
TR200101977T2 (tr) 2001-11-21
EA003875B1 (ru) 2003-10-30
WO2000039068A1 (de) 2000-07-06
SK283694B6 (sk) 2003-12-02

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU