ATE140212T1 - Verfahren zur reinigung von 2,6-diisopropylphenol - Google Patents

Verfahren zur reinigung von 2,6-diisopropylphenol

Info

Publication number
ATE140212T1
ATE140212T1 AT92850096T AT92850096T ATE140212T1 AT E140212 T1 ATE140212 T1 AT E140212T1 AT 92850096 T AT92850096 T AT 92850096T AT 92850096 T AT92850096 T AT 92850096T AT E140212 T1 ATE140212 T1 AT E140212T1
Authority
AT
Austria
Prior art keywords
phenol
propofol
temperature
diisopropylphenol
purifying
Prior art date
Application number
AT92850096T
Other languages
English (en)
Inventor
Kauko Nieminen
Peter Essen
Original Assignee
Leiras Oy
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 Leiras Oy filed Critical Leiras Oy
Application granted granted Critical
Publication of ATE140212T1 publication Critical patent/ATE140212T1/de

Links

Classifications

    • 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
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Artificial Filaments (AREA)
AT92850096T 1991-04-30 1992-04-27 Verfahren zur reinigung von 2,6-diisopropylphenol ATE140212T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI912102A FI912102A (fi) 1991-04-30 1991-04-30 Foerfarande foer rening av 2,6-diisopropylfenol

Publications (1)

Publication Number Publication Date
ATE140212T1 true ATE140212T1 (de) 1996-07-15

Family

ID=8532425

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92850096T ATE140212T1 (de) 1991-04-30 1992-04-27 Verfahren zur reinigung von 2,6-diisopropylphenol

Country Status (8)

Country Link
US (1) US5175376A (de)
EP (1) EP0511947B1 (de)
AT (1) ATE140212T1 (de)
DE (2) DE511947T1 (de)
EE (1) EE03067B1 (de)
ES (1) ES2091449T3 (de)
FI (1) FI912102A (de)
SG (1) SG44681A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1269977B (it) * 1994-07-01 1997-04-16 Archimica Spa Purificazione del propofol
IT1270093B (it) * 1994-09-28 1997-04-28 Zambon Spa Processo per la purificazione di 2,6-diisopropilfenolo
US5705039A (en) * 1995-10-13 1998-01-06 Albemarle Corporation Process for purifying a 2,6-dialkylphenol
US5591311A (en) * 1995-10-26 1997-01-07 Albemarle Corporation Process for purifying a 2,6-dialkylphenol
KR20010073114A (ko) † 1998-09-03 2001-07-31 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 용융 결정화 방법에 의한 알킬화 페놀의 정제방법
WO2000034218A1 (en) * 1998-12-04 2000-06-15 Dong Kook Pharmaceutical Co., Ltd. Process for purification of 2,6-diisopropyl phenol
US7862552B2 (en) 2005-05-09 2011-01-04 Boston Scientific Scimed, Inc. Medical devices for treating urological and uterine conditions
CN101081804B (zh) * 2007-06-04 2010-08-25 西安力邦制药有限公司 一种双异丙酚的精制方法
EP2516369B1 (de) * 2010-06-23 2015-07-22 Harman Finochem Limited Verfahren zur herstellung von extrareinem 2,6-diisopropylphenol
EP2522651B1 (de) 2011-05-12 2013-11-20 Siegfried AG Verfahren zur Reinigung von 2,6-Diisopropylphenol
CN105777497A (zh) * 2014-12-26 2016-07-20 辽宁药联制药有限公司 一种丙泊酚精馏前馏分的处理方法
CN114133318B (zh) * 2021-12-09 2023-08-29 广东嘉博制药有限公司 一种降除丙泊酚产品中丙泊酚杂质o的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536040A (en) * 1948-03-02 1951-01-02 Shell Dev Purification of alkyl phenols
US2831898A (en) * 1954-04-29 1958-04-22 Ethyl Corp Phenol alkylation process
DE1145628B (de) * 1961-06-28 1963-03-21 Ruetgerswerke Ag Verfahren zur Gewinnung von reinem 4-Methyl-2, 6-di-tertiaer-butylphenol
BE716974A (de) * 1967-06-27 1968-12-02
US4433181A (en) * 1980-06-12 1984-02-21 Koppers Company, Inc. Process for recovering a crystallization medium
US4391998A (en) * 1981-10-21 1983-07-05 Mobil Oil Corporation Production of para-isopropylphenol
JPS6212733A (ja) * 1985-07-10 1987-01-21 Honsyu Kagaku Kogyo Kk フェノ−ル類のｏ−イソプロピル化方法

Also Published As

Publication number Publication date
FI912102A (fi) 1992-10-31
ES2091449T3 (es) 1996-11-01
EE03067B1 (et) 1998-02-16
US5175376A (en) 1992-12-29
DE511947T1 (de) 1993-04-08
FI912102A0 (fi) 1991-04-30
SG44681A1 (en) 1997-12-19
EP0511947B1 (de) 1996-07-10
DE69212065T2 (de) 1997-01-30
DE69212065D1 (de) 1996-08-14
EP0511947A1 (de) 1992-11-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee