BR0206771A - Processes for the preparation of chromanylbenzoic acids - Google Patents

Processes for the preparation of chromanylbenzoic acids

Info

Publication number
BR0206771A
BR0206771A BR0206771-4A BR0206771A BR0206771A BR 0206771 A BR0206771 A BR 0206771A BR 0206771 A BR0206771 A BR 0206771A BR 0206771 A BR0206771 A BR 0206771A
Authority
BR
Brazil
Prior art keywords
processes
preparation
acids
chromanylbenzoic
compound
Prior art date
Application number
BR0206771-4A
Other languages
Portuguese (pt)
Inventor
Keith Michael Devries
Geraldine Patricia Taber
Ronald James Post
Stephane Caron
John Lloyd Tucker
Peter Robert Rose
Brian Kenneth Raymer
Philip Dietrich Hammen
Original Assignee
Pfizer Prod Inc
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 Prod Inc filed Critical Pfizer Prod Inc
Publication of BR0206771A publication Critical patent/BR0206771A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4

Abstract

"PROCESSOS PARA A PREPARAçãO DE áCIDOS CROMANILBENZóICOS". A invenção relaciona-se com processos para a preparação de um composto da fórmula X e do enanciómero do citado composto, em que a parte de ácido benzóico está ligada à posição (6) ou (7) do anel de cromano, e R^ 1^, R^ 2^ e R^ 3^ são como definidos aqui. A invenção refere-se ainda a intermediários que são proveitosos na preparação do composto de fórmula X acima."PROCESSES FOR THE PREPARATION OF CHROMANILBENZOIC ACIDS". The invention relates to processes for the preparation of a compound of formula X and the enanciomer of said compound, wherein the benzoic acid moiety is attached to position (6) or (7) of the chroman ring, and R 1 ^, R ^ 2 ^ and R ^ 3 ^ are as defined herein. The invention further relates to intermediates which are useful in preparing the compound of formula X above.

BR0206771-4A 2001-01-30 2002-01-07 Processes for the preparation of chromanylbenzoic acids BR0206771A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26513901P 2001-01-30 2001-01-30
PCT/IB2002/000041 WO2002060888A1 (en) 2001-01-30 2002-01-07 Processes for preparing chromanylbenzoic acids

Publications (1)

Publication Number Publication Date
BR0206771A true BR0206771A (en) 2004-02-25

Family

ID=23009180

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0206771-4A BR0206771A (en) 2001-01-30 2002-01-07 Processes for the preparation of chromanylbenzoic acids

Country Status (5)

Country Link
JP (1) JP2004518685A (en)
BR (1) BR0206771A (en)
CA (1) CA2433516A1 (en)
MX (1) MXPA03006876A (en)
WO (1) WO2002060888A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013002370A2 (en) 2010-07-30 2017-06-20 Ranbaxy Laboratories Ltd compound, pharmaceutical composition and process for preparing a compound
CN107586285B (en) * 2016-07-06 2020-09-01 浙江圣效化学品有限公司 Preparation method of 2, 3-dihydrobenzopyran-4-one derivative

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2813464B2 (en) * 1992-01-23 1998-10-22 フアイザー・インコーポレイテツド Benzopyran and related LTB 4 lower antagonists
MX9300312A (en) * 1992-01-23 1993-07-31 Pfizer BENZOPYRANIC AND RELATED ANTAGONISTS OF LTB.
AU696890B2 (en) * 1994-10-13 1998-09-24 Pfizer Inc. Benzopyran and benzo-fused compounds, their preparation and their use as leukotriene B4 (LTB4) antagonists
CA2202056A1 (en) * 1994-10-13 1996-04-25 Mark A. Dombroski Benzopyran and benzo-fused compounds, their preparation and their use as leukotriene b4' (ltb4) antagonists
AU713701B2 (en) * 1996-09-16 1999-12-09 Pfizer Inc. Processes and intermediates for preparing substituted chromanol derivatives

Also Published As

Publication number Publication date
MXPA03006876A (en) 2003-11-13
CA2433516A1 (en) 2002-08-08
WO2002060888A1 (en) 2002-08-08
JP2004518685A (en) 2004-06-24

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Legal Events

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B08F Application fees: dismissal - article 86 of industrial property law

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

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