EE03067B1 - 2,6-diisopropüülfenooli puhastamise meetod - Google Patents

2,6-diisopropüülfenooli puhastamise meetod

Info

Publication number
EE03067B1
EE03067B1 EE9400247A EE9400247A EE03067B1 EE 03067 B1 EE03067 B1 EE 03067B1 EE 9400247 A EE9400247 A EE 9400247A EE 9400247 A EE9400247 A EE 9400247A EE 03067 B1 EE03067 B1 EE 03067B1
Authority
EE
Estonia
Prior art keywords
purification
phenol
propofol
temperature
diisopropylphenol
Prior art date
Application number
EE9400247A
Other languages
English (en)
Inventor
Nieminen Kauko
Essen Peter
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
Publication of EE03067B1 publication Critical patent/EE03067B1/et

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)
  • Artificial Filaments (AREA)
EE9400247A 1991-04-30 1994-11-16 2,6-diisopropüülfenooli puhastamise meetod EE03067B1 (et)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI912102A FI912102A7 (fi) 1991-04-30 1991-04-30 Menetelmä 2,6-di-isopropyylifenolin puhdistamiseksi

Publications (1)

Publication Number Publication Date
EE03067B1 true EE03067B1 (et) 1998-02-16

Family

ID=8532425

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9400247A EE03067B1 (et) 1991-04-30 1994-11-16 2,6-diisopropüülfenooli puhastamise meetod

Country Status (8)

Country Link
US (1) US5175376A (et)
EP (1) EP0511947B1 (et)
AT (1) ATE140212T1 (et)
DE (2) DE511947T1 (et)
EE (1) EE03067B1 (et)
ES (1) ES2091449T3 (et)
FI (1) FI912102A7 (et)
SG (1) SG44681A1 (et)

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
WO2000014043A1 (en) † 1998-09-03 2000-03-16 General Electric Company Purification of alkylated phenols by melt crystallization
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
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
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 (et) * 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
SG44681A1 (en) 1997-12-19
FI912102L (fi) 1992-10-31
ES2091449T3 (es) 1996-11-01
DE69212065D1 (de) 1996-08-14
DE511947T1 (de) 1993-04-08
FI912102A7 (fi) 1992-10-31
ATE140212T1 (de) 1996-07-15
DE69212065T2 (de) 1997-01-30
US5175376A (en) 1992-12-29
EP0511947B1 (en) 1996-07-10
EP0511947A1 (en) 1992-11-04
FI912102A0 (fi) 1991-04-30

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