CA2603160C - A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water - Google Patents

A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water Download PDF

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Publication number
CA2603160C
CA2603160C CA2603160A CA2603160A CA2603160C CA 2603160 C CA2603160 C CA 2603160C CA 2603160 A CA2603160 A CA 2603160A CA 2603160 A CA2603160 A CA 2603160A CA 2603160 C CA2603160 C CA 2603160C
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CA
Canada
Prior art keywords
xylene
water
toluic acid
oxidation
acetate
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.)
Active
Application number
CA2603160A
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English (en)
French (fr)
Other versions
CA2603160A1 (en
Inventor
Mahendra Pratap Saxena
Ashok Kumar Gupta
Satish Kumar Sharma
Dinesh Prasad Bangwal
Krishan Kumar
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Council of Scientific and Industrial Research CSIR
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Council of Scientific and Industrial Research CSIR
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Publication date
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Publication of CA2603160A1 publication Critical patent/CA2603160A1/en
Application granted granted Critical
Publication of CA2603160C publication Critical patent/CA2603160C/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/75—Cobalt
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/32—Manganese, technetium or rhenium
    • C07C2523/34—Manganese
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/75—Cobalt
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
CA2603160A 2005-03-31 2005-11-29 A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water Active CA2603160C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN766DE2005 2005-03-31
IN0766/DEL/2005 2005-03-31
PCT/IN2005/000388 WO2006103693A1 (en) 2005-03-31 2005-11-29 A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water

Publications (2)

Publication Number Publication Date
CA2603160A1 CA2603160A1 (en) 2006-10-05
CA2603160C true CA2603160C (en) 2013-09-24

Family

ID=36087854

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2603160A Active CA2603160C (en) 2005-03-31 2005-11-29 A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water

Country Status (7)

Country Link
JP (1) JP5055262B2 (de)
KR (1) KR100965633B1 (de)
CN (1) CN101146755B (de)
CA (1) CA2603160C (de)
DE (1) DE112005003520B4 (de)
TW (1) TWI368607B (de)
WO (1) WO2006103693A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0711295A2 (pt) 2006-05-08 2011-08-23 Bp Corp North America Inc processos de conversão de carga aromática e de fabrico de ácido carboxìlico aromático, ácidos tereftálico, isoftálico, 2,6-naftaleno dicarboxìlico ou 2,7-naftaleno dicarboxìlico, composições e soluções de catalisador e de ácido tereftálico
JP6409611B2 (ja) 2015-02-23 2018-10-24 東レ株式会社 ｐ−トルイル酸の製造方法
CN107011152A (zh) * 2016-01-27 2017-08-04 中国石化扬子石油化工有限公司 对二甲苯选择性催化氧化制备对甲基苯甲酸的方法
CN112851496A (zh) * 2020-12-30 2021-05-28 湖北鸿鑫化工有限公司 一种对甲基苯甲酸的制备方法
CN114507128B (zh) * 2022-02-17 2023-10-03 吴桥县六合德利化工有限责任公司 对甲基苯甲酸精制工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927574B1 (de) * 1970-09-08 1974-07-18
US3923867A (en) * 1972-06-05 1975-12-02 Dynamit Nobel Ag Method for producing monomethyl terephthalate
JPS5246217B2 (de) * 1973-09-04 1977-11-22
JPS53112831A (en) * 1977-03-15 1978-10-02 Matsuyama Sekyu Kagaku Kk Process for preparing toluylic acid
JPS5653635A (en) * 1979-10-08 1981-05-13 Nippon Jiyouriyuu Kogyo Kk Preparation of high purity p-toluic acid
JPS6229549A (ja) * 1985-07-31 1987-02-07 Teijin Yuka Kk Ｐ−トルイル酸の製造法
JP2711517B2 (ja) * 1994-11-15 1998-02-10 ナショナル サイエンス カウンシル ６−アルキル−２−ナフタレンカルボン酸及び６−イソプロピル−２−ナフタレンカルボン酸の製造方法
JPH09124548A (ja) * 1995-11-01 1997-05-13 Mitsubishi Gas Chem Co Inc アルキル安息香酸の製造方法
JPH111447A (ja) * 1997-06-13 1999-01-06 Mitsubishi Chem Corp 芳香族化合物の側鎖の酸化方法
IT1311976B1 (it) 1999-03-25 2002-03-22 Franco Codignola Procedimento per la produzione di acidi aromatici.

Also Published As

Publication number Publication date
TWI368607B (en) 2012-07-21
KR100965633B1 (ko) 2010-06-23
JP5055262B2 (ja) 2012-10-24
DE112005003520B4 (de) 2018-03-22
TW200718682A (en) 2007-05-16
DE112005003520T5 (de) 2008-02-07
CN101146755B (zh) 2012-07-11
CA2603160A1 (en) 2006-10-05
WO2006103693A1 (en) 2006-10-05
KR20080020594A (ko) 2008-03-05
CN101146755A (zh) 2008-03-19
JP2008534577A (ja) 2008-08-28

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