[go: up one dir, main page]

DK0783473T3 - Fremgangsmåde til oprensning af 2,6-diisopropylphenol - Google Patents

Fremgangsmåde til oprensning af 2,6-diisopropylphenol

Info

Publication number
DK0783473T3
DK0783473T3 DK95934071T DK95934071T DK0783473T3 DK 0783473 T3 DK0783473 T3 DK 0783473T3 DK 95934071 T DK95934071 T DK 95934071T DK 95934071 T DK95934071 T DK 95934071T DK 0783473 T3 DK0783473 T3 DK 0783473T3
Authority
DK
Denmark
Prior art keywords
diisopropylphenol
purification
propofol
crystallization
hydrolysis
Prior art date
Application number
DK95934071T
Other languages
Danish (da)
English (en)
Inventor
Maurizio Paiocchi
Original Assignee
Zambon Spa
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 Zambon Spa filed Critical Zambon Spa
Application granted granted Critical
Publication of DK0783473T3 publication Critical patent/DK0783473T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/24Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01Preparation 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
    • C07C37/055Preparation 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
    • C07C37/0555Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/86Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/14Preparation 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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
DK95934071T 1994-09-28 1995-09-18 Fremgangsmåde til oprensning af 2,6-diisopropylphenol DK0783473T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
DK0783473T3 true DK0783473T3 (da) 1999-10-18

Family

ID=11369606

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95934071T DK0783473T3 (da) 1994-09-28 1995-09-18 Fremgangsmåde til oprensning af 2,6-diisopropylphenol

Country Status (17)

Country Link
US (1) US5589598A (ja)
EP (1) EP0783473B1 (ja)
JP (1) JP3701974B2 (ja)
AT (1) ATE178041T1 (ja)
AU (1) AU687643B2 (ja)
CA (1) CA2200317C (ja)
CZ (1) CZ290597B6 (ja)
DE (1) DE69508599T2 (ja)
DK (1) DK0783473T3 (ja)
ES (1) ES2130656T3 (ja)
FI (1) FI118923B (ja)
GR (1) GR3030327T3 (ja)
HU (1) HU215409B (ja)
IT (1) IT1270093B (ja)
NO (1) NO306506B1 (ja)
WO (1) WO1996010004A1 (ja)
ZA (1) ZA957899B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
WO2000010531A1 (en) 1998-08-19 2000-03-02 Rtp Pharma Inc. Injectable aqueous dispersions of propofol
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
AU2002364238B2 (en) * 2001-12-28 2007-01-18 Eisai Inc. Aqueous based pharmaceutical formulations of water-soluble prodrugs of propofol
IL164217A0 (en) * 2002-04-08 2005-12-18 Guilford Pharm Inc Pharmaceutical compositions containing water-soluble propofol and methods of administering same
WO2011161687A1 (en) 2010-06-23 2011-12-29 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
BR112016003938B1 (pt) * 2013-08-30 2021-02-23 Furanix Technologies B.V processo para a purificação de uma composição de ácido que compreende ácido 2-formil-furano-5-carboxílico e ácido 2,5-furanodicarboxílico
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
EP4100384A1 (en) * 2020-02-06 2022-12-14 Nandkumar Chodankar Simple manufacturing and purification technology for high purity propofol

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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
FI912102L (fi) * 1991-04-30 1992-10-31 Leiras Oy Foerfarande foer rening av 2,6-diisopropylfenol

Also Published As

Publication number Publication date
CZ93597A3 (en) 1997-09-17
ES2130656T3 (es) 1999-07-01
FI971264L (fi) 1997-03-26
FI971264A0 (fi) 1997-03-26
DE69508599T2 (de) 1999-11-18
CA2200317C (en) 2007-04-17
EP0783473B1 (en) 1999-03-24
IT1270093B (it) 1997-04-28
ITMI941969A1 (it) 1996-03-28
NO971425D0 (no) 1997-03-25
NO306506B1 (no) 1999-11-15
DE69508599D1 (de) 1999-04-29
US5589598A (en) 1996-12-31
GR3030327T3 (en) 1999-09-30
FI118923B (fi) 2008-05-15
HU215409B (hu) 1998-12-28
EP0783473A1 (en) 1997-07-16
ITMI941969A0 (it) 1994-09-28
ATE178041T1 (de) 1999-04-15
HUT77183A (hu) 1998-03-02
WO1996010004A1 (en) 1996-04-04
CZ290597B6 (cs) 2002-08-14
AU687643B2 (en) 1998-02-26
ZA957899B (en) 1996-05-09
JPH10506626A (ja) 1998-06-30
NO971425L (no) 1997-03-25
CA2200317A1 (en) 1996-04-04
AU3650495A (en) 1996-04-19
JP3701974B2 (ja) 2005-10-05

Similar Documents

Publication Publication Date Title
DK0783473T3 (da) Fremgangsmåde til oprensning af 2,6-diisopropylphenol
MY116928A (en) Purification of crude acrylic acid by crystallization
BR9203816A (pt) Processo para purificacao de acido carboxilico,e processo para producao de anidrido acetico
ES2135624T3 (es) Produccion de acido tereftalico empleando enfriamiento evaporativo.
BR0009762A (pt) Catalisador para produção de ácido acético ou ácido acético e acetato de etila, processo para sua produção e processo para produção de ácido acético ou ácido acético e acetato de etila usando-o
SE9404290D0 (sv) Novel process
ES2166093T3 (es) Procedimiento para la preparacion de compuestos de pirimidina.
ES2087607T3 (es) Procedimiento para la fabricacion de esteres de acido (met)acrilico sustituidos en posicion terminal por un heterociclo de nitrogeno.
DE69403210D1 (de) Verfahren zur herstellung von n-acetylneuraminsäure
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
ATA189096A (de) Verfahren zur reinigung von o-phthaldialdehyd
FI864900A0 (fi) Foerfarande foer framstaellning av 5-(2,5-dimetylfenoxi)-2,2-dimetylpentansyra.
ATE84074T1 (de) Verfahren zur fermentativen herstellung von 2-(4- hydroxiphenoxi-)propionsaeure.
BR9808500A (pt) Composições de beta cetoésteres e método de produção
IT1269977B (it) Purificazione del propofol
EP0922704A4 (en) METHOD FOR THE PRODUCTION AND INTERMEDIATE OF 2- (10,11-DIHYDRO-10-OXODIBENZO [B, F] THIEPIN-2-YL) -PROPIONIC ACID
DE69608862D1 (de) Verfahren zur Herstellung einer optisch aktiven 2-Hydroxy-4-Arylbuttersäure oder deren Ester und Zwischenprodukt dafür
ATE293098T1 (de) Verfahren zur herstellung von beta-ketonitrilen
FR2731218B1 (fr) Procede de preparation de l'acide 3-chloropropionique
DE69532897D1 (de) Zwischenprodukte für die Herstellung von Guanidinomethylcyclohexancarbonsäure-Estern
BR9405186A (pt) Processo para a preparação de 2,4,5-tribromopirrol-3-carbonitrila
DE59304635D1 (de) Verfahren zur fermentativen herstellung von 2-hydroxyphenylessigsäure
ES2192496T1 (es) Procedimiento para la purificacion de diacereina.
ES2094047T3 (es) Procedimiento para la obtencion de acido tetrahidropiran-4-carboxilico y sus esteres.
DE69524574D1 (de) Enzymatische spaltung von substituierter 2-methylpropionsäure