FI971264A0 - Förfarande för rening av 2,6-di-isopropylfenol - Google Patents
Förfarande för rening av 2,6-di-isopropylfenolInfo
- Publication number
- FI971264A0 FI971264A0 FI971264A FI971264A FI971264A0 FI 971264 A0 FI971264 A0 FI 971264A0 FI 971264 A FI971264 A FI 971264A FI 971264 A FI971264 A FI 971264A FI 971264 A0 FI971264 A0 FI 971264A0
- Authority
- FI
- Finland
- Prior art keywords
- diisopropylphenol
- purification
- propofol
- crystallization
- hydrolysis
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/24—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
- C07C37/0555—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group being esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/14—Preparation of carboxylic acid esters from carboxylic acid halides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941969 | 1994-09-28 | ||
ITMI941969A IT1270093B (it) | 1994-09-28 | 1994-09-28 | Processo per la purificazione di 2,6-diisopropilfenolo |
PCT/EP1995/003676 WO1996010004A1 (en) | 1994-09-28 | 1995-09-18 | Process for the purification of 2,6-diisopropylphenol |
EP9503676 | 1995-09-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI971264A0 true FI971264A0 (sv) | 1997-03-26 |
FI971264A FI971264A (sv) | 1997-03-26 |
FI118923B FI118923B (sv) | 2008-05-15 |
Family
ID=11369606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI971264A FI118923B (sv) | 1994-09-28 | 1997-03-26 | Förfarande för rening av 2,6-di-isopropylfenol |
Country Status (17)
Country | Link |
---|---|
US (1) | US5589598A (sv) |
EP (1) | EP0783473B1 (sv) |
JP (1) | JP3701974B2 (sv) |
AT (1) | ATE178041T1 (sv) |
AU (1) | AU687643B2 (sv) |
CA (1) | CA2200317C (sv) |
CZ (1) | CZ290597B6 (sv) |
DE (1) | DE69508599T2 (sv) |
DK (1) | DK0783473T3 (sv) |
ES (1) | ES2130656T3 (sv) |
FI (1) | FI118923B (sv) |
GR (1) | GR3030327T3 (sv) |
HU (1) | HU215409B (sv) |
IT (1) | IT1270093B (sv) |
NO (1) | NO306506B1 (sv) |
WO (1) | WO1996010004A1 (sv) |
ZA (1) | ZA957899B (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5705039A (en) * | 1995-10-13 | 1998-01-06 | Albemarle Corporation | Process for purifying a 2,6-dialkylphenol |
US6204257B1 (en) | 1998-08-07 | 2001-03-20 | Universtiy Of Kansas | Water soluble prodrugs of hindered alcohols |
WO2000017105A1 (en) * | 1998-09-22 | 2000-03-30 | Exxon Chemical Patents Inc. | Preparation of high silica zeolites bound by zeolite and use thereof |
KR20000047871A (ko) * | 1998-12-04 | 2000-07-25 | 강재헌 | 고순도 2,6-디이소프로필페놀의 정제방법 |
KR20040080444A (ko) * | 2001-12-28 | 2004-09-18 | 길포드 파마슈티컬스 인코포레이티드 | 수용성인 프로포폴 전구약물의 약학적 수성 제제 |
PL373850A1 (en) * | 2002-04-08 | 2005-09-19 | Guilford Pharmaceuticals, Inc. | Pharmaceutical compositions containing water-soluble prodrugs of propofol and methods of administering same |
US8664452B2 (en) | 2010-06-23 | 2014-03-04 | Harman Finochem Limited | Process for preparing extra pure 2, 6-diisopropyl phenol |
EP2522651B1 (en) * | 2011-05-12 | 2013-11-20 | Siegfried AG | Process for the purification of 2,6-diisopropyl phenol |
CN103360219B (zh) * | 2012-04-06 | 2015-08-19 | 辽宁诺康生物制药有限责任公司 | 一种高纯度丙泊酚的合成方法 |
EP3038997B1 (en) * | 2013-08-30 | 2018-02-21 | Synvina C.V. | Process for purifying an acid composition comprising 2-formyl-furan-5-carboxylic acid and 2,5-furandicarboxylic acid |
CN104649867B (zh) * | 2013-11-21 | 2017-02-15 | 辽宁药联制药有限公司 | 一种丙泊酚的制备方法 |
CN108530269A (zh) * | 2018-04-11 | 2018-09-14 | 南安市创培电子科技有限公司 | 一种高纯度丙泊酚的生产方法 |
JP7288665B2 (ja) * | 2019-08-02 | 2023-06-08 | 株式会社デ・ウエスタン・セラピテクス研究所 | エチルアニリノトルエンスルホン酸誘導体の製造方法 |
WO2021156776A1 (en) * | 2020-02-06 | 2021-08-12 | Nandkumar Chodankar | Simple manufacturing and purification technology for high purity propofol |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271314A (en) * | 1958-12-04 | 1966-09-06 | Ethyl Corp | 2, 6-diisopropylphenol |
GB1472793A (en) * | 1974-03-28 | 1977-05-04 | Ici Ltd | Pharmaceutical compositions |
FI912102A (fi) * | 1991-04-30 | 1992-10-31 | Leiras Oy | Foerfarande foer rening av 2,6-diisopropylfenol |
-
1994
- 1994-09-28 IT ITMI941969A patent/IT1270093B/it active IP Right Grant
-
1995
- 1995-06-01 US US08/457,592 patent/US5589598A/en not_active Expired - Lifetime
- 1995-09-18 AU AU36504/95A patent/AU687643B2/en not_active Ceased
- 1995-09-18 DE DE69508599T patent/DE69508599T2/de not_active Expired - Lifetime
- 1995-09-18 JP JP51132896A patent/JP3701974B2/ja not_active Expired - Fee Related
- 1995-09-18 EP EP95934071A patent/EP0783473B1/en not_active Expired - Lifetime
- 1995-09-18 DK DK95934071T patent/DK0783473T3/da active
- 1995-09-18 CZ CZ1997935A patent/CZ290597B6/cs not_active IP Right Cessation
- 1995-09-18 HU HU9701798A patent/HU215409B/hu not_active IP Right Cessation
- 1995-09-18 CA CA002200317A patent/CA2200317C/en not_active Expired - Fee Related
- 1995-09-18 WO PCT/EP1995/003676 patent/WO1996010004A1/en active IP Right Grant
- 1995-09-18 ES ES95934071T patent/ES2130656T3/es not_active Expired - Lifetime
- 1995-09-18 AT AT95934071T patent/ATE178041T1/de active
- 1995-09-19 ZA ZA957899A patent/ZA957899B/xx unknown
-
1997
- 1997-03-25 NO NO971425A patent/NO306506B1/no not_active IP Right Cessation
- 1997-03-26 FI FI971264A patent/FI118923B/sv not_active IP Right Cessation
-
1999
- 1999-05-27 GR GR990401414T patent/GR3030327T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69508599T2 (de) | 1999-11-18 |
HUT77183A (hu) | 1998-03-02 |
CA2200317C (en) | 2007-04-17 |
ITMI941969A1 (it) | 1996-03-28 |
NO971425D0 (no) | 1997-03-25 |
ES2130656T3 (es) | 1999-07-01 |
CZ93597A3 (en) | 1997-09-17 |
JPH10506626A (ja) | 1998-06-30 |
AU3650495A (en) | 1996-04-19 |
GR3030327T3 (en) | 1999-09-30 |
CZ290597B6 (cs) | 2002-08-14 |
FI971264A (sv) | 1997-03-26 |
CA2200317A1 (en) | 1996-04-04 |
IT1270093B (it) | 1997-04-28 |
DE69508599D1 (de) | 1999-04-29 |
AU687643B2 (en) | 1998-02-26 |
FI118923B (sv) | 2008-05-15 |
NO306506B1 (no) | 1999-11-15 |
DK0783473T3 (da) | 1999-10-18 |
US5589598A (en) | 1996-12-31 |
EP0783473B1 (en) | 1999-03-24 |
JP3701974B2 (ja) | 2005-10-05 |
ATE178041T1 (de) | 1999-04-15 |
ZA957899B (en) | 1996-05-09 |
HU215409B (hu) | 1998-12-28 |
EP0783473A1 (en) | 1997-07-16 |
ITMI941969A0 (it) | 1994-09-28 |
WO1996010004A1 (en) | 1996-04-04 |
NO971425L (no) | 1997-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI971264A0 (sv) | Förfarande för rening av 2,6-di-isopropylfenol | |
BR9203816A (pt) | Processo para purificacao de acido carboxilico,e processo para producao de anidrido acetico | |
FI944164A (sv) | Förfarande för framställning av ättikssyra | |
MY116928A (en) | Purification of crude acrylic acid by crystallization | |
DE69619443D1 (de) | Ungesättigte Hydroxycarbonsäureverbindungen als Zwischenprodukte zur Herstellung von Schmierstoff- und Kraftstoffadditiven | |
DE69505190D1 (de) | Verfahren zur Herstellung von hochreiner Essigsäure | |
MA22896A1 (fr) | Procede de production de n-aryl- et n-heteroarylurees utilisables comme inhibiteurs d'acylcoenzymes a:cholesterol-acyltransferase (acat) . | |
FI954037A (sv) | Förfarande för rening av karboxylsyra | |
ITMI911555A1 (it) | Processo per la produzione di soluzioni acquose di acido lattico purificate a partire da brodi di fermentazione. | |
BR8103872A (pt) | Processo de preparacao de cultura biologicamente pura de uma variante do microorganismo clostridum thermoaceticum cultura resultante ,e processo para a conversao de carboidraatos de acido acetico | |
MY110188A (en) | Process for stereospecific hydrolisit of piperidinediene derivatives | |
ATA189096A (de) | Verfahren zur reinigung von o-phthaldialdehyd | |
EP0632011A3 (de) | Verfahren zur Herstellung von Alkoxy-carbonsäureestern. | |
DE59000702D1 (de) | Verfahren zur fermentativen herstellung von 2-(4-hydroxiphenoxi-)propionsaeure. | |
FI921057A0 (fi) | Process foer framstaellningen av peroxykarboxylsyror med anvaendning av en enzymkatalysator. | |
ID18068A (id) | Pembuatan asam 2-(10,11-dihidro-10-oksodibenzo (b.f.)-tiepin-2-il) propionat | |
DE59409675D1 (de) | Verfahren zur Herstellung von Monochloressigsäure | |
HUT47158A (en) | Process for the stereospecific oxoreduction of bicyclooctanedione-carboxylic acid esters with microorganisms | |
DE59304635D1 (de) | Verfahren zur fermentativen herstellung von 2-hydroxyphenylessigsäure | |
BR9105447A (pt) | Processo para a preparacao de um acido 2,3-piridina ou quinolinodicarboxilico e processo para a preparacao de um sal acido | |
FR2720735B1 (fr) | Procédé de récupération de l'acide acétique contenu dans un effluent en présence d'impuretés organiques. | |
NO891069D0 (no) | Fremgangsmaate for rensing av uren alfa-l-aspartyl-l-fenylalaninmethylester (alfa-apm). | |
DK1024131T3 (da) | Fremgangsmåde til fremstilling af 2,3,5-trimethylhydroquinondiestere | |
DE69524574D1 (de) | Enzymatische spaltung von substituierter 2-methylpropionsäure | |
IT1200462B (it) | Procedimento d'idrolisi degli esteri di acidi metilendifosfonici sostituiti |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Ref document number: 118923 Country of ref document: FI |
|
MM | Patent lapsed |