PT99378A - Processo para a preparacao de intermediarios uteis para a preparacao de acido 4,5-difluoroantranilico - Google Patents

Processo para a preparacao de intermediarios uteis para a preparacao de acido 4,5-difluoroantranilico

Info

Publication number
PT99378A
PT99378A PT99378A PT9937891A PT99378A PT 99378 A PT99378 A PT 99378A PT 99378 A PT99378 A PT 99378A PT 9937891 A PT9937891 A PT 9937891A PT 99378 A PT99378 A PT 99378A
Authority
PT
Portugal
Prior art keywords
preparation
acid
difluoroantranilic
uteric
intermediaries
Prior art date
Application number
PT99378A
Other languages
English (en)
Other versions
PT99378B (pt
Inventor
Tamim Fehme Braish
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of PT99378A publication Critical patent/PT99378A/pt
Publication of PT99378B publication Critical patent/PT99378B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
    • C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C259/00—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups
    • C07C259/04—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids
    • C07C259/10—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Quinoline Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Cosmetics (AREA)
  • Sewage (AREA)
  • Plural Heterocyclic Compounds (AREA)
PT99378A 1990-10-31 1991-10-30 Processo para a preparacao de intermediarios uteis para a preparacao de acido 4,5-difluoroantranilico PT99378B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60666690A 1990-10-31 1990-10-31

Publications (2)

Publication Number Publication Date
PT99378A true PT99378A (pt) 1992-09-30
PT99378B PT99378B (pt) 1999-04-30

Family

ID=24428951

Family Applications (1)

Application Number Title Priority Date Filing Date
PT99378A PT99378B (pt) 1990-10-31 1991-10-30 Processo para a preparacao de intermediarios uteis para a preparacao de acido 4,5-difluoroantranilico

Country Status (13)

Country Link
US (1) US5436368A (pt)
EP (1) EP0555283B1 (pt)
JP (1) JP2552412B2 (pt)
AT (1) ATE120729T1 (pt)
CA (1) CA2091569C (pt)
DE (1) DE69108737T2 (pt)
DK (1) DK0555283T3 (pt)
ES (1) ES2070517T3 (pt)
FI (1) FI931938A0 (pt)
GR (1) GR3015725T3 (pt)
IE (1) IE65215B1 (pt)
PT (1) PT99378B (pt)
WO (1) WO1992007822A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113444021A (zh) * 2020-03-25 2021-09-28 深圳有为技术控股集团有限公司 邻胺基芳香酸的异羟肟酸重排法制备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE130302C (pt) *
DE136788C (pt) *
CA1181420A (en) * 1980-12-29 1985-01-22 Michael J. Fifolt Method for the preparation of fluoroanthranilic compounds
CA1169078A (en) * 1980-12-29 1984-06-12 Michael J. Fifolt Method for the preparation of fluorophthalamic compounds
US4954639A (en) * 1989-08-28 1990-09-04 Occidental Chemical Corporation Single pot process for making a fluoroanthranilic acid

Also Published As

Publication number Publication date
EP0555283B1 (en) 1995-04-05
IE65215B1 (en) 1995-10-04
EP0555283A1 (en) 1993-08-18
DE69108737T2 (de) 1995-08-17
DE69108737D1 (de) 1995-05-11
JP2552412B2 (ja) 1996-11-13
CA2091569A1 (en) 1992-05-01
JPH05507287A (ja) 1993-10-21
FI931938A (fi) 1993-04-29
ES2070517T3 (es) 1995-06-01
IE913783A1 (en) 1992-05-22
GR3015725T3 (en) 1995-07-31
PT99378B (pt) 1999-04-30
US5436368A (en) 1995-07-25
ATE120729T1 (de) 1995-04-15
FI931938A0 (fi) 1993-04-29
CA2091569C (en) 1997-02-18
WO1992007822A1 (en) 1992-05-14
DK0555283T3 (da) 1995-07-03

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19920525

FG3A Patent granted, date of granting

Effective date: 19990118

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20040719