GB2375535B - Methods of preparing 2,6-dimethyl-4-oxo-heptanoic acid and its use as a flavouring agent - Google Patents

Methods of preparing 2,6-dimethyl-4-oxo-heptanoic acid and its use as a flavouring agent

Info

Publication number
GB2375535B
GB2375535B GB0209932A GB0209932A GB2375535B GB 2375535 B GB2375535 B GB 2375535B GB 0209932 A GB0209932 A GB 0209932A GB 0209932 A GB0209932 A GB 0209932A GB 2375535 B GB2375535 B GB 2375535B
Authority
GB
United Kingdom
Prior art keywords
oxo
dimethyl
preparing
methods
heptanoic acid
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
GB0209932A
Other versions
GB0209932D0 (en
GB2375535A (en
Inventor
Arun Kumar Sinha
Bhupendra Prasad Joshi
Ruchi Dogra
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.)
Council of Scientific and Industrial Research CSIR
Original Assignee
Council of Scientific and Industrial Research CSIR
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 Council of Scientific and Industrial Research CSIR filed Critical Council of Scientific and Industrial Research CSIR
Publication of GB0209932D0 publication Critical patent/GB0209932D0/en
Publication of GB2375535A publication Critical patent/GB2375535A/en
Application granted granted Critical
Publication of GB2375535B publication Critical patent/GB2375535B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • 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
    • 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
    • A23L27/29—Fruit flavours
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/36—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring
    • A24B15/40—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms
    • A24B15/403—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms
    • A24B15/406—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms in a five-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/29—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with halogen-containing compounds which may be formed in situ
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
    • C12G3/00—Preparation of other alcoholic beverages
    • C12G3/04—Preparation of other alcoholic beverages by mixing, e.g. for preparation of liqueurs
    • C12G3/06—Preparation of other alcoholic beverages by mixing, e.g. for preparation of liqueurs with flavouring ingredients

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Nutrition Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Seasonings (AREA)
  • Fats And Perfumes (AREA)
GB0209932A 2001-03-28 2001-03-28 Methods of preparing 2,6-dimethyl-4-oxo-heptanoic acid and its use as a flavouring agent Expired - Fee Related GB2375535B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0107734A GB2374594B (en) 2001-03-28 2001-03-28 Processes for preparing 5-isobutyl-3-methyl-4,5-dihydro-2(3H)-furanone from dihydrotagetone and its use as a flavouring agent

Publications (3)

Publication Number Publication Date
GB0209932D0 GB0209932D0 (en) 2002-06-05
GB2375535A GB2375535A (en) 2002-11-20
GB2375535B true GB2375535B (en) 2003-04-16

Family

ID=9911734

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0107734A Expired - Fee Related GB2374594B (en) 2001-03-28 2001-03-28 Processes for preparing 5-isobutyl-3-methyl-4,5-dihydro-2(3H)-furanone from dihydrotagetone and its use as a flavouring agent
GB0209932A Expired - Fee Related GB2375535B (en) 2001-03-28 2001-03-28 Methods of preparing 2,6-dimethyl-4-oxo-heptanoic acid and its use as a flavouring agent

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0107734A Expired - Fee Related GB2374594B (en) 2001-03-28 2001-03-28 Processes for preparing 5-isobutyl-3-methyl-4,5-dihydro-2(3H)-furanone from dihydrotagetone and its use as a flavouring agent

Country Status (1)

Country Link
GB (2) GB2374594B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110754686B (en) * 2019-11-12 2022-03-22 广东中烟工业有限责任公司 Faint scent type cigarette and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530149A (en) * 1966-12-23 1970-09-22 Collins Chem Co Inc Method of preparing alpha-methyl-gamma-isobutyl-butyrolactone
JPS58170726A (en) * 1982-03-31 1983-10-07 Toyotama Koryo Kk Preparation of dihydrotagetone from methacrolein acetal as raw material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530149A (en) * 1966-12-23 1970-09-22 Collins Chem Co Inc Method of preparing alpha-methyl-gamma-isobutyl-butyrolactone
JPS58170726A (en) * 1982-03-31 1983-10-07 Toyotama Koryo Kk Preparation of dihydrotagetone from methacrolein acetal as raw material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No. 1983:817507/46 & JP 58 170 726 A *

Also Published As

Publication number Publication date
GB2374594A (en) 2002-10-23
GB0107734D0 (en) 2001-05-16
GB2374594B (en) 2003-04-16
GB0209932D0 (en) 2002-06-05
GB2375535A (en) 2002-11-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110328