BRPI0821234A2 - Processo de preparação de pirocatecol purificado, e pirocatecol. - Google Patents

Processo de preparação de pirocatecol purificado, e pirocatecol.

Info

Publication number
BRPI0821234A2
BRPI0821234A2 BRPI0821234-1A BRPI0821234A BRPI0821234A2 BR PI0821234 A2 BRPI0821234 A2 BR PI0821234A2 BR PI0821234 A BRPI0821234 A BR PI0821234A BR PI0821234 A2 BRPI0821234 A2 BR PI0821234A2
Authority
BR
Brazil
Prior art keywords
pyrocathechol
purified
preparation
purified pyrocathechol
Prior art date
Application number
BRPI0821234-1A
Other languages
English (en)
Inventor
Jean-Claude Masson
Original Assignee
Rhodia Operations
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 filed Critical Rhodia Operations
Publication of BRPI0821234A2 publication Critical patent/BRPI0821234A2/pt

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.]
BRPI0821234-1A 2007-12-19 2008-12-17 Processo de preparação de pirocatecol purificado, e pirocatecol. BRPI0821234A2 (pt)

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
BRPI0821234A2 true BRPI0821234A2 (pt) 2015-06-16

Family

ID=39790394

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0821234-1A BRPI0821234A2 (pt) 2007-12-19 2008-12-17 Processo de preparação de pirocatecol purificado, e pirocatecol.

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
CN108026011A (zh) * 2015-09-04 2018-05-11 三菱瓦斯化学株式会社 化合物的纯化方法
FR3067348B1 (fr) * 2017-06-13 2019-06-28 Rhodia Operations Compositions comprenant de l'hydroquinone et du catechol, procede de preparation de ces compositions
CN110944968A (zh) * 2019-10-29 2020-03-31 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.

Also Published As

Publication number Publication date
FR2925489A1 (fr) 2009-06-26
JP5490719B2 (ja) 2014-05-14
CN101903322A (zh) 2010-12-01
KR20100097698A (ko) 2010-09-03
EP2225197A1 (fr) 2010-09-08
JP2011506553A (ja) 2011-03-03
US8628849B2 (en) 2014-01-14
CN101903322B (zh) 2015-04-01
US20110064950A1 (en) 2011-03-17
FR2925489B1 (fr) 2010-02-05
WO2009077556A1 (fr) 2009-06-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]