EA200100733A1 - Способ получения эфиров глиоксиловой кислоты или их гидратов - Google Patents
Способ получения эфиров глиоксиловой кислоты или их гидратовInfo
- 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
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
-
- 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
- C07C67/313—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 doubly bound oxygen containing functional groups, e.g. carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation 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.
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)
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)
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. |
-
1999
- 1999-06-12 UA UA2001075133A patent/UA62017C2/uk unknown
- 1999-12-06 CZ CZ20012374A patent/CZ20012374A3/cs unknown
- 1999-12-06 PL PL99348526A patent/PL348526A1/xx not_active IP Right Cessation
- 1999-12-06 WO PCT/EP1999/009517 patent/WO2000039068A1/de not_active Application Discontinuation
- 1999-12-06 BR BR9916648-8A patent/BR9916648A/pt not_active IP Right Cessation
- 1999-12-06 ES ES99958166T patent/ES2194531T3/es not_active Expired - Lifetime
- 1999-12-06 SK SK844-2001A patent/SK283694B6/sk unknown
- 1999-12-06 EP EP99958166A patent/EP1140769B1/de not_active Expired - Lifetime
- 1999-12-06 KR KR1020017008207A patent/KR20010099981A/ko not_active Application Discontinuation
- 1999-12-06 CA CA002353854A patent/CA2353854A1/en not_active Abandoned
- 1999-12-06 DE DE59905592T patent/DE59905592D1/de not_active Expired - Fee Related
- 1999-12-06 CN CN99815115A patent/CN1332716A/zh active Pending
- 1999-12-06 IL IL14367699A patent/IL143676A0/xx unknown
- 1999-12-06 NZ NZ512248A patent/NZ512248A/en unknown
- 1999-12-06 TR TR2001/01977T patent/TR200101977T2/xx unknown
- 1999-12-06 JP JP2000590981A patent/JP2002533427A/ja not_active Withdrawn
- 1999-12-06 HU HU0105470A patent/HUP0105470A2/hu unknown
- 1999-12-06 AU AU15591/00A patent/AU767512B2/en not_active Ceased
- 1999-12-06 EA EA200100733A patent/EA003875B1/ru not_active IP Right Cessation
-
2001
- 2001-06-20 NO NO20013068A patent/NO20013068D0/no not_active Application Discontinuation
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 |