EP0975559A1 - Procede d'oxydation catalytique et selective de composes aromatiques - Google Patents

Procede d'oxydation catalytique et selective de composes aromatiques

Info

Publication number
EP0975559A1
EP0975559A1 EP98919195A EP98919195A EP0975559A1 EP 0975559 A1 EP0975559 A1 EP 0975559A1 EP 98919195 A EP98919195 A EP 98919195A EP 98919195 A EP98919195 A EP 98919195A EP 0975559 A1 EP0975559 A1 EP 0975559A1
Authority
EP
European Patent Office
Prior art keywords
integer
compounds
anhydride
carbon atoms
oxidation
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Withdrawn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
EP98919195A
Other languages
German (de)
English (en)
Inventor
Richard Walter Fischer
Joachim Haider
Wolfgang Anton Herrmann
Roland Kratzer
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.)
Aventis Research and Technologies GmbH and Co KG
Original Assignee
Aventis Research and Technologies GmbH and Co KG
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 Aventis Research and Technologies GmbH and Co KG filed Critical Aventis Research and Technologies GmbH and Co KG
Publication of EP0975559A1 publication Critical patent/EP0975559A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/26Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B33/00Oxidation in general
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/60Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00Preparation of quinones
    • C07C46/02Preparation of quinones by oxidation giving rise to quinoid structures
    • C07C46/04Preparation of quinones by oxidation giving rise to quinoid structures of unsubstituted ring carbon atoms in six-membered aromatic rings

Definitions

  • suitable solvents are the anhydride itself, a carboxylic acid ester such as ethyl acetate, a carboxylic acid, alcohols with 1-5 C atoms such as methanol, ethanol and the various propanols and butanols, tert-butanol is particularly preferred, aromatic hydrocarbons such as toluene, ethers such as diethyl ether, di-n-butyl ether, tert-butyl methyl ether, aliphatic hydrocarbons such as hexane, heptane, methylene chloride, tetrahydrofuran and acetonitrile, and mixtures thereof.
  • aromatic hydrocarbons such as toluene
  • ethers such as diethyl ether, di-n-butyl ether, tert-butyl methyl ether
  • aliphatic hydrocarbons such as hexane, heptane, methylene chloride, te
  • acetic acid Glacial acetic acid
  • anhydride is particularly preferred.
  • the anhydride used is just like z.
  • B. acetic acid and hydrogen peroxide an inexpensive large chemical and provides significant cost savings compared to the previous process, especially from the point of view that the content of expensive rhenium-based catalysts can be reduced by 50-75%.
  • the selectivity has risen to up to 92%, based on the starting material used.
  • peroxide-containing compounds examples include hydrogen peroxide, inorganic peroxides, for example alkane peroxides such as sodium peroxide, and percarboxylic acids and their salts such as, for example, m-chlorobenzoic acid, peracetic acid and magnesium monoperoxophthalate, hydrogen peroxide being particularly preferred because of its easy accessibility
  • inorganic peroxides for example alkane peroxides such as sodium peroxide
  • percarboxylic acids and their salts such as, for example, m-chlorobenzoic acid, peracetic acid and magnesium monoperoxophthalate
  • hydrogen peroxide being particularly preferred because of its easy accessibility
  • the aromatic compound to be oxidized is dissolved in the organic solvent mixture described and the catalyst is added
  • the working procedure can be applied to other aromatic compounds be applied.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne l'utilisation de composés de la formule générale (I): R<1>aRebOc . Ld comme catalyseurs pour l'oxydation de composés aromatiques riches en électrons, ainsi que de ses dérivés, lesdit catalyseurs étant utilisés dans une solution contenant du peroxyde, en présence d'un anhydride, d'un acide carboxylique et/ou d'un agent déshydratant. Dans ladite formule (I), a = 0 ou un nombre entier pouvant aller de 0 à 6, b = un nombre entier pouvant aller de 1 à 4, c = un nombre entier pouvant aller de 1 à 12, d = un nombre entier pouvant aller de 0 à 4 et L = une base de Lewis, la somme de a, b et c étant telle qu'elle assure la pentavalence ou l'heptavalensce du rhénium, à condition que c ne soit pas plus grand que 3 . b. R<1> peut être présent ou non, représenter des groupes identiques ou différents, et représente un reste hydrocarbure aliphatique ayant 1 à 10 atomes de C, un reste hydrocarbure aromatique ayant 6 à 10 atomes de C ou un reste arylalkyle ayant 7 à 9 atomes de C, les restes R1 pouvant être éventuellement, indépendamment l'un de l'autre, substitués de façon identique ou différente.
EP98919195A 1997-04-24 1998-03-31 Procede d'oxydation catalytique et selective de composes aromatiques Withdrawn EP0975559A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19717176A DE19717176A1 (de) 1997-04-24 1997-04-24 Verfahren zur katalytischen und selektiven aromatischer Verbindungen
DE19717176 1997-04-24
PCT/EP1998/001864 WO1998047837A1 (fr) 1997-04-24 1998-03-31 Procede d'oxydation catalytique et selective de composes aromatiques

Publications (1)

Publication Number Publication Date
EP0975559A1 true EP0975559A1 (fr) 2000-02-02

Family

ID=7827515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98919195A Withdrawn EP0975559A1 (fr) 1997-04-24 1998-03-31 Procede d'oxydation catalytique et selective de composes aromatiques

Country Status (5)

Country Link
US (1) US6365762B1 (fr)
EP (1) EP0975559A1 (fr)
AU (1) AU7213198A (fr)
DE (1) DE19717176A1 (fr)
WO (1) WO1998047837A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004030793B4 (de) * 2004-06-22 2006-09-28 Technische Universität Chemnitz Verfahren zur Herstellung von 2-Methyl-1,4-Naphthochinon
DE102004062246A1 (de) * 2004-08-30 2006-03-02 Catatech Gmbh Verfahren zur effizienten Herstellung von Methyltrioxorhenium(VII) (MTO) und Organorhenium(VII)-oxiden
DE102007023876A1 (de) * 2007-03-02 2008-09-04 Osram Opto Semiconductors Gmbh Elektrisches organisches Bauelement und Verfahren zu seiner Herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665209B1 (fr) * 1994-01-27 1998-12-02 Hoechst Aktiengesellschaft Procédé d'oxydation catalytique de composés aromatiques
DE4419800A1 (de) * 1994-06-06 1995-12-07 Hoechst Ag Verfahren zur selektiven Oxidation aromatischer Verbindungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9847837A1 *

Also Published As

Publication number Publication date
DE19717176A1 (de) 1998-10-29
US6365762B1 (en) 2002-04-02
AU7213198A (en) 1998-11-13
WO1998047837A1 (fr) 1998-10-29

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