ES2157615T3 - Procedimiento para preparar acido 3-hidroxi-2-metil-benzoico y acido 3-acetoxi-2-metilbenzoico. - Google Patents

Procedimiento para preparar acido 3-hidroxi-2-metil-benzoico y acido 3-acetoxi-2-metilbenzoico.

Info

Publication number
ES2157615T3
ES2157615T3 ES98101693T ES98101693T ES2157615T3 ES 2157615 T3 ES2157615 T3 ES 2157615T3 ES 98101693 T ES98101693 T ES 98101693T ES 98101693 T ES98101693 T ES 98101693T ES 2157615 T3 ES2157615 T3 ES 2157615T3
Authority
ES
Spain
Prior art keywords
methylbenzoic acid
give
acid
acetoxi
hydroxi
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.)
Expired - Lifetime
Application number
ES98101693T
Other languages
English (en)
Inventor
Robert Dr Cosmo
Andreas Dr Dierdorf
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant GmbH
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 Clariant GmbH filed Critical Clariant GmbH
Application granted granted Critical
Publication of ES2157615T3 publication Critical patent/ES2157615T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/02Magnesium compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/02Ethers
    • C07C43/20Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/225Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C65/00Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C65/01Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
    • C07C65/03Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups monocyclic and having all hydroxy or O-metal groups bound to the ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C65/00Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C65/21Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
    • C07C65/24Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

EL OBJETO DE LA INVENCION ES UN PROCEDIMIENTO PARA PRODUCIR 3 HIDROXI 2 ACIDO METILBENZOICO Y 3 ACETOXI 2- ACIDO METILBENZOICO, QUE ESTA CARACTERIZADO PORQUE SE HACE REACCIONAR 3 CLOR 2 METILFENOL (3) CON CLORURO BENCILO HASTA OBTENER 2 BENCILOXI 6 CLORTOLUENO (4), ESTE ES GRIGNARDIZADO CON MAGNESIO HASTA OBTENER (3 BENCILOXI 2 METILFENIL) CLORURO DE MAGNESIO (5), ESTE SE HACE REACCIONAR CON CO 2 HASTA OBTENER 3 BENCILOXI 2 ACIDO METILBENZOICO (6), ESTE O SUS SALES DE METALES ALCALINOS SE HIDROGENAN EN PRESENCIA DE UN CATALIZADOR DE HIDROGENACION HASTA OBTENER 3 HIDROXI 2 ACIDO METILBENZOICO (2) Y ESTE SE ACETILA, OPCIONALMENTE, HASTA OBTENER 3 ACETOXI 2 ACIDO METILBENZOICO.
ES98101693T 1997-02-11 1998-02-02 Procedimiento para preparar acido 3-hidroxi-2-metil-benzoico y acido 3-acetoxi-2-metilbenzoico. Expired - Lifetime ES2157615T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19704885A DE19704885C1 (de) 1997-02-11 1997-02-11 Verfahren zur Herstellung von 3-Hydroxy-2-methylbenzoesäure und 3-Acetoxy-2-methylbenzoesäure

Publications (1)

Publication Number Publication Date
ES2157615T3 true ES2157615T3 (es) 2001-08-16

Family

ID=7819747

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98101693T Expired - Lifetime ES2157615T3 (es) 1997-02-11 1998-02-02 Procedimiento para preparar acido 3-hidroxi-2-metil-benzoico y acido 3-acetoxi-2-metilbenzoico.

Country Status (9)

Country Link
US (1) US5910605A (es)
EP (1) EP0857713B1 (es)
JP (1) JPH10273475A (es)
AT (1) ATE202070T1 (es)
CZ (1) CZ39498A3 (es)
DE (2) DE19704885C1 (es)
DK (1) DK0857713T3 (es)
ES (1) ES2157615T3 (es)
PT (1) PT857713E (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350837A (en) * 1999-06-11 2000-12-13 Merck & Co Inc Synthesis of 3,5-bis(trifluoromethyl)benzoic acid
US6365773B1 (en) * 2000-06-13 2002-04-02 Albemarle Corporation Process for producing fluoroaromatic carboxylates
DE10212885A1 (de) * 2002-03-22 2003-10-02 Bayer Ag Verfahren zur Herstellung von 3-Hydroxy-2-methylbenzoesäure
US7868200B2 (en) * 2008-12-30 2011-01-11 Lyondellbasell Flavors & Fragrances, Llc Process for preparing alicyclic carboxylic acid compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360551A (en) * 1963-09-03 1967-12-26 M & T Chemicals Inc Carboxylation of grignard reagents in the presence of liquid co2
US4065477A (en) * 1976-10-29 1977-12-27 Bison-Werke Bahre & Greten Gmbh & Co. Kg Process for preparing highly pure 1-nitroanthraquinone
US5484926A (en) * 1993-10-07 1996-01-16 Agouron Pharmaceuticals, Inc. HIV protease inhibitors
US5461154A (en) * 1994-02-02 1995-10-24 Eli Lilly And Company Intermediate and process for making

Also Published As

Publication number Publication date
EP0857713B1 (de) 2001-06-13
JPH10273475A (ja) 1998-10-13
EP0857713A1 (de) 1998-08-12
DK0857713T3 (da) 2001-07-16
PT857713E (pt) 2001-11-30
US5910605A (en) 1999-06-08
CZ39498A3 (cs) 1999-03-17
DE59800827D1 (de) 2001-07-19
DE19704885C1 (de) 1998-06-10
ATE202070T1 (de) 2001-06-15

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