BE777072A - Dicetones et leur applications - Google Patents

Dicetones et leur applications

Info

Publication number
BE777072A
BE777072A BE777072A BE777072A BE777072A BE 777072 A BE777072 A BE 777072A BE 777072 A BE777072 A BE 777072A BE 777072 A BE777072 A BE 777072A BE 777072 A BE777072 A BE 777072A
Authority
BE
Belgium
Prior art keywords
dicetons
applications
Prior art date
Application number
BE777072A
Other languages
English (en)
Inventor
Ltd. Unilever
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 BE777072A publication Critical patent/BE777072A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02—Heterocyclic 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
    • C07D309/08—Heterocyclic 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
    • C07D309/10—Oxygen atoms
    • C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20—Synthetic spices, flavouring agents or condiments
    • A23L27/205—Heterocyclic compounds
    • A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455—Preparation 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
    • 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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic 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
    • C07D307/56—Heterocyclic 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
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride
    • 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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic 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
    • C07D307/56—Heterocyclic 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
    • C07D307/64—Sulfur atoms
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
BE777072A 1970-12-21 1971-12-21 Dicetones et leur applications BE777072A (fr)

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
BE777072A true BE777072A (fr) 1972-06-21

Family

ID=10485747

Family Applications (1)

Application Number Title Priority Date Filing Date
BE777072A BE777072A (fr) 1970-12-21 1971-12-21 Dicetones et leur applications

Country Status (8)

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

Families Citing this family (11)

* 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
EP0222164B1 (fr) * 1985-11-05 1989-05-31 Firmenich Sa Esters furanniques et leur utilisation en tant qu'ingrédients aromatisants
US5698585A (en) * 1995-04-13 1997-12-16 Kikkoman Corporation Pharmaceutical preparation for prevention and/or treatment for cataract
CN1953953B (zh) * 2004-03-15 2010-12-22 宇部兴产株式会社 包含β-酮酸基配体的金属络合物
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

Also Published As

Publication number Publication date
AU3704871A (en) 1973-06-21
DE2163223A1 (de) 1972-06-29
NL7117618A (fr) 1972-06-23
IT1055520B (it) 1982-01-11
GB1383492A (en) 1974-02-12
FR2118954A1 (fr) 1972-08-04
FR2118954B1 (fr) 1975-08-29
US3853918A (en) 1974-12-10

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