EP2225197A1 - Procede de preparation de pyrocatechol purifie - Google Patents

Procede de preparation de pyrocatechol purifie

Info

Publication number
EP2225197A1
EP2225197A1 EP08862097A EP08862097A EP2225197A1 EP 2225197 A1 EP2225197 A1 EP 2225197A1 EP 08862097 A EP08862097 A EP 08862097A EP 08862097 A EP08862097 A EP 08862097A EP 2225197 A1 EP2225197 A1 EP 2225197A1
Authority
EP
European Patent Office
Prior art keywords
pyrocatechol
water
crystallization
process according
concentration
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP08862097A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jean-Claude Masson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Operations SAS
Original Assignee
Rhodia Operations SAS
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 Rhodia Operations SAS filed Critical Rhodia Operations SAS
Publication of EP2225197A1 publication Critical patent/EP2225197A1/fr
Withdrawn legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
    • C07C39/08—Dihydroxy benzenes; Alkylated derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP08862097A 2007-12-19 2008-12-17 Procede de preparation de pyrocatechol purifie Withdrawn EP2225197A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0708869A FR2925489B1 (fr) 2007-12-19 2007-12-19 Procede de preparation de pyrocatechol purifie
PCT/EP2008/067723 WO2009077556A1 (fr) 2007-12-19 2008-12-17 Procede de preparation de pyrocatechol purifie

Publications (1)

Publication Number Publication Date
EP2225197A1 true EP2225197A1 (fr) 2010-09-08

Family

ID=39790394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08862097A Withdrawn EP2225197A1 (fr) 2007-12-19 2008-12-17 Procede de preparation de pyrocatechol purifie

Country Status (8)

Country Link
US (1) US8628849B2 (pt)
EP (1) EP2225197A1 (pt)
JP (1) JP5490719B2 (pt)
KR (1) KR20100097698A (pt)
CN (1) CN101903322B (pt)
BR (1) BRPI0821234A2 (pt)
FR (1) FR2925489B1 (pt)
WO (1) WO2009077556A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7306790B2 (ja) * 2015-09-04 2023-07-11 三菱瓦斯化学株式会社 化合物の精製方法
FR3067348B1 (fr) * 2017-06-13 2019-06-28 Rhodia Operations Compositions comprenant de l'hydroquinone et du catechol, procede de preparation de ces compositions
WO2021081743A1 (zh) * 2019-10-29 2021-05-06 上海应用技术大学 一种从邻乙氧基苯酚反应液回收邻苯二酚的方法
CN112129846B (zh) * 2020-08-14 2021-11-02 广东人人康药业有限公司 一种高效分离并检测氢醌中对苯醌的高效液相色谱法及其应用
CN114163310A (zh) * 2021-12-16 2022-03-11 北京石油化工学院 一种分离和提纯苯二酚异构体的方法
CN115337913B (zh) * 2022-08-09 2024-03-22 浙江大学杭州国际科创中心 儿茶[9]芳烃及其制备方法和应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2071464A5 (pt) 1969-12-30 1971-09-17 Rhone Poulenc Sa
DE2155561A1 (de) * 1970-11-11 1972-05-18 Mitsubishi Petrochemical Co., Ltd., Tokio Verfahren zur Herstellung von Brenzcatechin und seinen Derivaten
JPS501257B1 (pt) * 1970-12-12 1975-01-16
CA919707A (en) 1970-12-29 1973-01-23 Mitsubishi Chemical Industries Limited Process for preparing catechol and hydroquinone
US4119791A (en) * 1977-09-14 1978-10-10 The Goodyear Tire & Rubber Company Aqueous recovery of hydroquinone
JPS5653630A (en) * 1979-10-09 1981-05-13 Sumitomo Chem Co Ltd Separating method of resorcin and hydroquinone
IT1195029B (it) 1980-09-09 1988-09-28 Anic Spa Procedimento per la ossidrilazione di idrocarburi aromatici
SU1502559A1 (ru) 1987-10-29 1989-08-23 Московский химико-технологический институт им.Д.И.Менделеева Способ совместного получени пирокатехина и гидрохинона
JPH02311434A (ja) * 1989-05-23 1990-12-27 Dainippon Ink & Chem Inc 二価フェノール類の製造方法
US5679223A (en) * 1995-06-15 1997-10-21 Dakota Gasification Company Method for separating and purifying catechol mixtures
FR2784671B1 (fr) 1998-10-19 2001-01-12 Rhodia Chimie Sa Procede de preparation d'une titanozeosilite de type mfi, produit obtenu et ses applications en catalyse
FR2784672B1 (fr) 1998-10-19 2000-12-29 Rhodia Chimie Sa Procede de preparation d'une silicalite de titane de type mel, produit obtenu et ses applications en catalyse
JP4161470B2 (ja) * 1999-05-25 2008-10-08 宇部興産株式会社 高純度二価フェノール及びその製造法
JP2002128718A (ja) * 2000-10-19 2002-05-09 Mitsui Chemicals Inc 芳香族ジヒドロキシ化合物の精製方法
JP2002187861A (ja) * 2000-12-20 2002-07-05 Mitsui Chemicals Inc 芳香族ジヒドロキシ化合物の製造方法
FR2856681A1 (fr) 2003-06-27 2004-12-31 Rhodia Chimie Sa Procede d'hydroxylation de composes phenoliques.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2009077556A1 *

Also Published As

Publication number Publication date
CN101903322B (zh) 2015-04-01
FR2925489A1 (fr) 2009-06-26
JP2011506553A (ja) 2011-03-03
KR20100097698A (ko) 2010-09-03
JP5490719B2 (ja) 2014-05-14
WO2009077556A1 (fr) 2009-06-25
US8628849B2 (en) 2014-01-14
CN101903322A (zh) 2010-12-01
US20110064950A1 (en) 2011-03-17
BRPI0821234A2 (pt) 2015-06-16
FR2925489B1 (fr) 2010-02-05

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