CA2324186C - Direct fluorination process for preparing high purity 2-fluoro-1,3-dicarbonyl compounds using oxygen as a radical scavanger - Google Patents

Direct fluorination process for preparing high purity 2-fluoro-1,3-dicarbonyl compounds using oxygen as a radical scavanger Download PDF

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Publication number
CA2324186C
CA2324186C CA002324186A CA2324186A CA2324186C CA 2324186 C CA2324186 C CA 2324186C CA 002324186 A CA002324186 A CA 002324186A CA 2324186 A CA2324186 A CA 2324186A CA 2324186 C CA2324186 C CA 2324186C
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CA
Canada
Prior art keywords
reactor
beta
methyl
fluorinated
product
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
CA002324186A
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English (en)
French (fr)
Other versions
CA2324186A1 (en
Inventor
William Jack Casteel Jr.
Wade H. Bailey, Iii
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.)
Air Products and Chemicals Inc
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Air Products and Chemicals 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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of CA2324186A1 publication Critical patent/CA2324186A1/en
Application granted granted Critical
Publication of CA2324186C publication Critical patent/CA2324186C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/63Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/307Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002324186A 1999-11-01 2000-10-25 Direct fluorination process for preparing high purity 2-fluoro-1,3-dicarbonyl compounds using oxygen as a radical scavanger Expired - Fee Related CA2324186C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/432,723 1999-11-01
US09/432,723 US6455728B1 (en) 1999-11-01 1999-11-01 Direct fluorination process for preparing high purity 2-fluoro-1,3-dicarbonyl compounds using oxygen as a radical scavenger

Publications (2)

Publication Number Publication Date
CA2324186A1 CA2324186A1 (en) 2001-05-01
CA2324186C true CA2324186C (en) 2005-03-29

Family

ID=23717346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002324186A Expired - Fee Related CA2324186C (en) 1999-11-01 2000-10-25 Direct fluorination process for preparing high purity 2-fluoro-1,3-dicarbonyl compounds using oxygen as a radical scavanger

Country Status (6)

Country Link
US (1) US6455728B1 (enExample)
EP (1) EP1095928B1 (enExample)
JP (2) JP4022041B2 (enExample)
AT (1) ATE258910T1 (enExample)
CA (1) CA2324186C (enExample)
DE (1) DE60008059T2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454900A1 (en) * 2003-03-07 2004-09-08 Sanofi-Synthelabo Process for the preparation of pyridinyl and pyrimidinyl mono-fluorinated beta keto-esters
JP2022513032A (ja) * 2019-08-22 2022-02-07 フジアン ヨンジン テクノロジー カンパニー リミテッド 直接フッ素化による無機又は有機化合物のフッ素化プロセス
CN120794834A (zh) * 2025-09-15 2025-10-17 山东华氟化工有限责任公司 一种1,1,3,3-四氟-2-丙酮的合成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614129A (en) * 1943-08-10 1952-10-14 Purdue Research Foundation Perfluorination
GB1513135A (en) * 1974-06-04 1978-06-07 Res Inst For Med & Chem Inc Fluorination process and fluoro steroids
US5569778A (en) * 1992-10-30 1996-10-29 Daikin Industries Ltd. Process for preparing fluorine-containing dicarbonyl compound
WO1995014646A1 (en) * 1993-11-20 1995-06-01 Bnfl Fluorochemicals Ltd The preparation of dicarbonyls
JP3817605B2 (ja) * 1996-03-26 2006-09-06 東ソ−・エフテック株式会社 含フッ素ジカルボニル化合物の製造方法

Also Published As

Publication number Publication date
EP1095928A3 (en) 2001-07-18
CA2324186A1 (en) 2001-05-01
JP2007126486A (ja) 2007-05-24
JP2001131110A (ja) 2001-05-15
DE60008059D1 (de) 2004-03-11
DE60008059T2 (de) 2004-07-01
EP1095928B1 (en) 2004-02-04
JP4022041B2 (ja) 2007-12-12
ATE258910T1 (de) 2004-02-15
EP1095928A2 (en) 2001-05-02
US6455728B1 (en) 2002-09-24

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Effective date: 20121025