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FR1500765A - Dérivés de l'acide pyroméconique et procédé pour leur préparation - Google Patents

Dérivés de l'acide pyroméconique et procédé pour leur préparation

Info

Publication number
FR1500765A
FR1500765A FR984175A FR984175A FR1500765A FR 1500765 A FR1500765 A FR 1500765A FR 984175 A FR984175 A FR 984175A FR 984175 A FR984175 A FR 984175A FR 1500765 A FR1500765 A FR 1500765A
Authority
FR
France
Prior art keywords
preparation
acid derivatives
pyromeconic acid
pyromeconic
derivatives
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
Application number
FR984175A
Other languages
English (en)
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
Charles Pfizer and Co 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 Inc, Charles Pfizer and Co Inc filed Critical Pfizer Inc
Application granted granted Critical
Publication of FR1500765A publication Critical patent/FR1500765A/fr
Expired 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
    • C07D309/34Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40Oxygen atoms attached in positions 3 and 4, e.g. maltol
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00Preservation of foods or foodstuffs, in general
    • A23B2/70Preservation of foods or foodstuffs, in general by treatment with chemicals
    • A23B2/725Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of liquids or solids
    • A23B2/729Organic compounds; Microorganisms; Enzymes
    • A23B2/771Organic compounds containing hetero rings
    • 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
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • C11B9/0069Heterocyclic compounds
    • C11B9/0073Heterocyclic compounds containing only O or S as heteroatoms
    • C11B9/008Heterocyclic compounds containing only O or S as heteroatoms the hetero rings containing six atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Nutrition Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Confectionery (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Seasonings (AREA)
  • Fats And Perfumes (AREA)
FR984175A 1963-09-19 1964-08-04 Dérivés de l'acide pyroméconique et procédé pour leur préparation Expired FR1500765A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31014163A 1963-09-19 1963-09-19
US31091963A 1963-09-23 1963-09-23
US591127A US3365469A (en) 1963-09-19 1966-11-01 2-arylmethylpyromeconic acids
US630818A US3376317A (en) 1963-09-19 1967-04-14 2-ethylpyromeconic acid as aroma and flavor component

Publications (1)

Publication Number Publication Date
FR1500765A true FR1500765A (fr) 1967-11-10

Family

ID=27501976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984175A Expired FR1500765A (fr) 1963-09-19 1964-08-04 Dérivés de l'acide pyroméconique et procédé pour leur préparation

Country Status (6)

Country Link
US (2) US3365469A (fr)
BE (1) BE651427A (fr)
CH (1) CH485703A (fr)
DE (1) DE1518098A1 (fr)
FR (1) FR1500765A (fr)
GB (1) GB1057446A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468915A (en) * 1966-04-18 1969-09-23 Pfizer & Co C Novel 2-substituted-6-methylpyromeconic acids
JPS5390265A (en) * 1977-01-14 1978-08-08 Otsuka Chem Co Ltd Preparation of 2-ethyl-3-hydroxy-4h-pyran-4-one
US4276890A (en) * 1979-04-11 1981-07-07 Fichera Anthony T Tobacco smoking inhibitor
US4311691A (en) * 1979-10-09 1982-01-19 Fichera Anthony T Tobacco smoking inhibitor
EP0107458B1 (fr) * 1982-10-22 1987-07-29 National Research Development Corporation Compositions pharmaceutiques
USRE37534E1 (en) 1982-10-22 2002-01-29 Btg International Limited Pharmaceutical compositions
US4443621A (en) * 1983-03-14 1984-04-17 Pfizer Inc. p-Nitrophenyl 3-bromo-2,2-diethoxy-propionate and synthetic utility therefor
GB8410290D0 (en) * 1984-04-19 1984-05-31 Callingham B A Pharmaceutical compositions
EP0833627B1 (fr) * 1995-06-10 2004-08-18 Vitra Pharmaceuticals Ltd. Composes de fer, compositions et procedes de fabrication de ces composes et leurs utilisations
DE59611243D1 (de) * 1995-09-29 2005-08-11 Novartis Ag Hydroxypyridinone
US6448273B1 (en) 1997-05-29 2002-09-10 Btg International Limited Orally active iron (III) chelators
GB9711093D0 (en) 1997-05-29 1997-07-23 British Tech Group Novel orally active iron (III) chelators
EP1318804B1 (fr) * 2000-09-19 2004-11-17 Vitra Pharmaceuticals Ltd. Compositions a base de fer
GB0211500D0 (en) * 2002-05-18 2002-06-26 Vitra Pharmaceuticals Ltd Method of forming iron hydroxypyrone compounds
CN106478575A (zh) * 2016-09-30 2017-03-08 王显权 玉米芯糠醇法制备乙基麦芽酚的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130204A (en) * 1962-02-07 1964-04-21 Pfizer & Co C Preparation of gamma-pyrones

Also Published As

Publication number Publication date
GB1057446A (en) 1967-02-01
US3376317A (en) 1968-04-02
DE1518098A1 (de) 1969-04-10
US3365469A (en) 1968-01-23
CH485703A (de) 1970-02-15
BE651427A (fr) 1965-02-05

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