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IN2012DN01245A - - Google Patents

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Publication number
IN2012DN01245A
IN2012DN01245A IN1245DEN2012A IN2012DN01245A IN 2012DN01245 A IN2012DN01245 A IN 2012DN01245A IN 1245DEN2012 A IN1245DEN2012 A IN 1245DEN2012A IN 2012DN01245 A IN2012DN01245 A IN 2012DN01245A
Authority
IN
India
Prior art keywords
formula
dioxotetrahydrofuran
reaction
hal
carboxylates
Prior art date
Application number
Inventor
Lui Norbert
Heinrich Jeans-Dietmar
Funke Christian
Original Assignee
Bayer Cropscience Ag
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 Bayer Cropscience Ag filed Critical Bayer Cropscience Ag
Publication of IN2012DN01245A publication Critical patent/IN2012DN01245A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/60Two oxygen atoms, e.g. succinic anhydride
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L27/00Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20Synthetic spices, flavouring agents or condiments
    • A23L27/205Heterocyclic compounds
    • A23L27/2052Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/17Saturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
    • C07C49/172Saturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups containing rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)

Abstract

Process for preparing 2,4-dioxotetrahydrofuran-3-carboxylates of the formula (I) and/or (I') comprising the reaction of a haloacetyl chloride compound of the formula (II) with a malonic ester of the formula (III) in which Hal, Rl and R2 have the definitions stated in the application, in the presence of a suitable base and optionally in the presence of a solvent; the addition of a sufficient amount of water to the reaction mixture; and the isolation of the desired 2,4-dioxotetrahydrofuran-3-carboxylate.
IN1245DEN2012 2009-08-11 2010-08-04 IN2012DN01245A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09167593 2009-08-11
PCT/EP2010/004777 WO2011018180A1 (en) 2009-08-11 2010-08-04 Method for producing 2,4-dioxotetrahydrofurane-3-carboxylates

Publications (1)

Publication Number Publication Date
IN2012DN01245A true IN2012DN01245A (en) 2015-05-15

Family

ID=40983736

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1245DEN2012 IN2012DN01245A (en) 2009-08-11 2010-08-04

Country Status (13)

Country Link
US (1) US8318955B2 (en)
EP (1) EP2464636B1 (en)
JP (1) JP5686805B2 (en)
KR (1) KR20120039020A (en)
CN (1) CN102471301A (en)
BR (1) BR112012002871B1 (en)
DK (1) DK2464636T3 (en)
ES (1) ES2546059T3 (en)
IL (1) IL217584A (en)
IN (1) IN2012DN01245A (en)
MX (1) MX2012001675A (en)
TW (1) TWI482762B (en)
WO (1) WO2011018180A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9056848B2 (en) 2011-03-03 2015-06-16 Bayer Intellectual Property Gmbh Process for preparing sodium salts or potassium salts of 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylate
CN104507920B (en) 2012-08-01 2018-01-05 拜耳农作物科学股份公司 For the multistep processes for the alkali metal salt for preparing the formic acid esters of 2,5 dihydrofuran of specific 4 hydroxyl, 2 oxo 3
CO2018003434A1 (en) * 2017-03-29 2019-09-30 Pi Industries Ltd Process for the preparation of alkylene bis-dithiophosphates
EP4053113A1 (en) * 2021-03-03 2022-09-07 Bayer AG Improved method for the preparation of alky-4-oxo-tetrahydrofuran-2,3-dicarboxylate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895956A (en) * 1957-09-09 1959-07-21 Tuppy Hans Synthesis of furoquinoline derivatives
EP2042496A1 (en) 2007-09-18 2009-04-01 Bayer CropScience AG Method for manufacturing 4-aminobut-2-enolids

Also Published As

Publication number Publication date
WO2011018180A1 (en) 2011-02-17
JP5686805B2 (en) 2015-03-18
EP2464636A1 (en) 2012-06-20
IL217584A (en) 2015-03-31
US8318955B2 (en) 2012-11-27
EP2464636B1 (en) 2015-07-08
CN102471301A (en) 2012-05-23
ES2546059T3 (en) 2015-09-18
TWI482762B (en) 2015-05-01
US20110060147A1 (en) 2011-03-10
BR112012002871B1 (en) 2017-04-18
BR112012002871A2 (en) 2015-09-22
JP2013501738A (en) 2013-01-17
KR20120039020A (en) 2012-04-24
TW201120021A (en) 2011-06-16
DK2464636T3 (en) 2015-08-31
MX2012001675A (en) 2012-03-06

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