DE69206423T2 - Verfahren zur Herstellung von 5-(2,4-Difluorphenyl)-Salizylsäure. - Google Patents

Verfahren zur Herstellung von 5-(2,4-Difluorphenyl)-Salizylsäure.

Info

Publication number
DE69206423T2
DE69206423T2 DE69206423T DE69206423T DE69206423T2 DE 69206423 T2 DE69206423 T2 DE 69206423T2 DE 69206423 T DE69206423 T DE 69206423T DE 69206423 T DE69206423 T DE 69206423T DE 69206423 T2 DE69206423 T2 DE 69206423T2
Authority
DE
Germany
Prior art keywords
difluorophenyl
preparation
salicylic acid
transition
reaction
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 - Fee Related
Application number
DE69206423T
Other languages
English (en)
Other versions
DE69206423D1 (de
Inventor
Claudio Giordano
Laura Coppi
Francesco Minisci
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.)
Zambon SpA
Original Assignee
Zambon SpA
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
Priority claimed from ITMI910027A external-priority patent/IT1244361B/it
Priority claimed from ITMI911094A external-priority patent/IT1247507B/it
Application filed by Zambon SpA filed Critical Zambon SpA
Publication of DE69206423D1 publication Critical patent/DE69206423D1/de
Application granted granted Critical
Publication of DE69206423T2 publication Critical patent/DE69206423T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02Boron compounds
    • C07F5/027Organoboranes and organoborohydrides
    • 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
    • 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
    • C07C37/01Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/24Halogenated derivatives
    • C07C39/367Halogenated derivatives polycyclic non-condensed, containing only six-membered aromatic rings as cyclic parts, e.g. halogenated poly-hydroxyphenylalkanes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/15Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE69206423T 1991-01-08 1992-01-01 Verfahren zur Herstellung von 5-(2,4-Difluorphenyl)-Salizylsäure. Expired - Fee Related DE69206423T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910027A IT1244361B (it) 1991-01-08 1991-01-08 Processo per la preparazione dell'acido 5-(2,4-difluorofenil)- salicilico
ITMI911094A IT1247507B (it) 1991-04-19 1991-04-19 Processo per la preparazione dell'acido 5(2,4 difluorofenil) salicilico

Publications (2)

Publication Number Publication Date
DE69206423D1 DE69206423D1 (de) 1996-01-18
DE69206423T2 true DE69206423T2 (de) 1996-05-02

Family

ID=26330657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69206423T Expired - Fee Related DE69206423T2 (de) 1991-01-08 1992-01-01 Verfahren zur Herstellung von 5-(2,4-Difluorphenyl)-Salizylsäure.

Country Status (11)

Country Link
US (2) US5312975A (de)
EP (1) EP0494419B1 (de)
JP (1) JP3106259B2 (de)
AT (1) ATE131149T1 (de)
CA (1) CA2058646C (de)
DE (1) DE69206423T2 (de)
DK (1) DK0494419T3 (de)
ES (1) ES2081417T3 (de)
FI (1) FI103788B (de)
GR (1) GR3018569T3 (de)
IL (1) IL100353A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3336507B2 (ja) * 1992-04-28 2002-10-21 イハラケミカル工業株式会社 非対称ビアリール誘導体の製造方法
IT1291356B1 (it) 1997-05-13 1999-01-07 Zambon Spa Processo per la rimozione di metalli pesanti
JP4238405B2 (ja) * 1999-02-09 2009-03-18 東ソー株式会社 置換スチレン誘導体又は置換ビアリール誘導体の製造方法
FR2826963B1 (fr) * 2001-07-04 2006-01-27 Rhodia Chimie Sa Preparation d'organozinciques aromatiques et composition pour ce faire
GB2415193A (en) * 2004-06-19 2005-12-21 F2 Chemicals Ltd Fluorinated arylboronic acids
JP4852879B2 (ja) * 2005-05-10 2012-01-11 ダイキン工業株式会社 含フッ素ポリマーおよび含フッ素化合物の製造方法
JP6807322B2 (ja) * 2015-10-16 2021-01-06 武田薬品工業株式会社 複素環化合物の製造方法
US9733226B1 (en) 2016-02-02 2017-08-15 Ripetime Limited Apparatus and method for measuring a gas
JP7175464B2 (ja) * 2017-08-30 2022-11-21 学校法人関西学院 二ヨウ化ホウ素化合物、それから得られるボロン酸およびボロン酸エステル等、ならびにそれらの製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096370A (en) * 1959-03-30 1963-07-02 American Potash & Chem Corp Reactions of boron halides and tetrasubstituted boron compounds
GB1175212A (en) * 1967-03-09 1969-12-23 Merck & Co Inc Halo-Substituted 5-Phenylbenzoic Acids and their Derivatives
US3992459A (en) * 1975-05-01 1976-11-16 Merck & Co., Inc. Preparation of biphenyl compounds
US4225730A (en) * 1978-05-11 1980-09-30 Merck & Co., Inc. Process for preparing 4-(2,4-difluorophenyl)-salicyclic acid
IT1190926B (it) * 1982-07-22 1988-02-24 Zambon Spa Procedimento per preparare l'acido 2',4'-difluoro-4-idrossi-(1,1'-difenil)-3-carbossilico
DE3502986A1 (de) * 1985-01-30 1986-07-31 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zum abtrennen von caesiumionen aus waessrigen loesungen
DE3816120A1 (de) * 1988-05-11 1989-11-23 Bayer Ag Verfahren zur herstellung von unsymmetrischen biarylverbindungen
US4912276A (en) * 1988-10-25 1990-03-27 Eastman Kodak Company Preparation of biaryl compounds
US5239114A (en) * 1990-12-19 1993-08-24 Zambon Group S.P.A. Process for the preparation of 4-(2,4-difluorophenyl)-phenyl 4-nitrobenzoate
IT1244036B (it) * 1990-12-19 1994-06-28 Zambon Spa Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile
IT1250736B (it) * 1991-08-01 1995-04-21 Zambon Spa Processo per la preparazione dell'acido 5-(2',4'-difluorofenil) salicilico in forma ii pura
AU4972200A (en) * 1999-04-26 2000-11-10 Center For Molecular Medicine And Immunology Use of antioxidants to mitigate radioimmunotherapy-induced radiation toxicity

Also Published As

Publication number Publication date
FI103788B1 (fi) 1999-09-30
EP0494419B1 (de) 1995-12-06
FI920069A (fi) 1992-07-09
ES2081417T3 (es) 1996-03-16
GR3018569T3 (en) 1996-03-31
CA2058646C (en) 2000-07-18
JPH0585986A (ja) 1993-04-06
FI103788B (fi) 1999-09-30
EP0494419A2 (de) 1992-07-15
US5312975A (en) 1994-05-17
DE69206423D1 (de) 1996-01-18
DK0494419T3 (da) 1996-01-08
EP0494419A3 (en) 1992-12-09
IL100353A (en) 1997-06-10
US5412143A (en) 1995-05-02
FI920069A0 (fi) 1992-01-08
CA2058646A1 (en) 1992-07-09
JP3106259B2 (ja) 2000-11-06
ATE131149T1 (de) 1995-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee