DE2163223A1 - Diketone - Google Patents

Diketone

Info

Publication number
DE2163223A1
DE2163223A1 DE19712163223 DE2163223A DE2163223A1 DE 2163223 A1 DE2163223 A1 DE 2163223A1 DE 19712163223 DE19712163223 DE 19712163223 DE 2163223 A DE2163223 A DE 2163223A DE 2163223 A1 DE2163223 A1 DE 2163223A1
Authority
DE
Germany
Prior art keywords
ppm
reaction
singlet
acid
alkyl group
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.)
Pending
Application number
DE19712163223
Other languages
German (de)
English (en)
Inventor
Andre Lens; Maciejewski Czeslaw Coubrieres; Bader (Frankreich). R
Godefridus Antonius Maria Van Den Zevenaar Ouweland (Niederlande)
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of DE2163223A1 publication Critical patent/DE2163223A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D309/08Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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
    • C07D309/10Oxygen atoms
    • C07D309/12Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
    • 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
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
    • 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
    • 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
    • C07D307/64Sulfur atoms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Seasonings (AREA)
DE19712163223 1970-12-21 1971-12-20 Diketone Pending DE2163223A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6056270A GB1383492A (en) 1970-12-21 1970-12-21 Dicarbonyl compounds and preparation of dihydrofuranones therefrom

Publications (1)

Publication Number Publication Date
DE2163223A1 true DE2163223A1 (de) 1972-06-29

Family

ID=10485747

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712163223 Pending DE2163223A1 (de) 1970-12-21 1971-12-20 Diketone

Country Status (8)

Country Link
US (1) US3853918A (enExample)
AU (1) AU3704871A (enExample)
BE (1) BE777072A (enExample)
DE (1) DE2163223A1 (enExample)
FR (1) FR2118954B1 (enExample)
GB (1) GB1383492A (enExample)
IT (1) IT1055520B (enExample)
NL (1) NL7117618A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0737476A3 (en) * 1995-04-13 1998-01-07 Kikkoman Corporation A pharmaceutical preparation containing a 3-(2H)-furanone derivative for prevention and/or treatment of cataracts

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189439A (en) * 1977-03-31 1980-02-19 Polak's Frutal Works, B.V. Process of the preparation of hydroxyfurenones
US4127592A (en) * 1977-03-31 1978-11-28 Polak's Frutal Works, B.V. Process of the preparation of hydroxyfurenones
US4171371A (en) * 1977-09-06 1979-10-16 Sterling Drug Inc. Diketones
IT1087026B (it) * 1977-10-20 1985-05-31 Snam Progetti Procedimento per la preparazione di 2,5-dialchil-4-idrossi-2,3-diidrofuran-3-oni
US4169202A (en) * 1978-06-05 1979-09-25 American Home Products Corporation Process for preparing 4,5-dihydro-4-oxofuran-2-carboxylic acid derivatives
US4758680A (en) * 1984-07-02 1988-07-19 Hercules Incorporated Pineapple ketone carbonate derivatives
MX7654E (es) * 1984-07-02 1990-06-07 Hercules Inc Procedimiento para preparar derivados de carbonato de 2,5-dimetil-4-hidroxi-3(2h)-furanona
DE3663663D1 (en) * 1985-11-05 1989-07-06 Firmenich & Cie Furanyl esters and their use as flavouring agents
JP4716193B2 (ja) * 2004-03-15 2011-07-06 宇部興産株式会社 β−ジケトナトを配位子とする金属錯体
JP4797474B2 (ja) * 2004-07-16 2011-10-19 宇部興産株式会社 アルコキシアルキルメチル基を有するβ−ジケトナト及びアルコキシを配位子とする金属錯体及び当該金属錯体を用いた金属含有薄膜の製法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694466A (en) * 1967-06-16 1972-09-26 George H Buchi Process for the preparation of 2,5-dimethyl-4,5-dihydrofuran-3-ol-4-one

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0737476A3 (en) * 1995-04-13 1998-01-07 Kikkoman Corporation A pharmaceutical preparation containing a 3-(2H)-furanone derivative for prevention and/or treatment of cataracts

Also Published As

Publication number Publication date
NL7117618A (enExample) 1972-06-23
GB1383492A (en) 1974-02-12
IT1055520B (it) 1982-01-11
FR2118954A1 (enExample) 1972-08-04
BE777072A (fr) 1972-06-21
AU3704871A (en) 1973-06-21
FR2118954B1 (enExample) 1975-08-29
US3853918A (en) 1974-12-10

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