CH539631A - Procédé pour la préparation de dérivés hétérocycliques - Google Patents

Procédé pour la préparation de dérivés hétérocycliques

Info

Publication number
CH539631A
CH539631A CH451371A CH451371A CH539631A CH 539631 A CH539631 A CH 539631A CH 451371 A CH451371 A CH 451371A CH 451371 A CH451371 A CH 451371A CH 539631 A CH539631 A CH 539631A
Authority
CH
Switzerland
Prior art keywords
preparation
heterocyclic derivatives
heterocyclic
derivatives
Prior art date
Application number
CH451371A
Other languages
English (en)
Inventor
M King Bonnie
Edouard Dr Demole
Francis Dr Thomas Alan
Original Assignee
Firmenich & Cie
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 Firmenich & Cie filed Critical Firmenich & Cie
Priority to CH451371A priority Critical patent/CH539631A/fr
Priority to FR7210537A priority patent/FR2131628A5/fr
Priority to DE19722214540 priority patent/DE2214540A1/de
Priority to NL7203975A priority patent/NL7203975A/xx
Priority to GB1428172A priority patent/GB1362143A/en
Priority to GB906673A priority patent/GB1362144A/en
Publication of CH539631A publication Critical patent/CH539631A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
    • C07D333/30—Hetero atoms other than halogen
    • C07D333/32—Oxygen 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
    • A23L27/205—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
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Seasonings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH451371A 1971-03-26 1971-03-26 Procédé pour la préparation de dérivés hétérocycliques CH539631A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH451371A CH539631A (fr) 1971-03-26 1971-03-26 Procédé pour la préparation de dérivés hétérocycliques
FR7210537A FR2131628A5 (fr) 1971-03-26 1972-03-24
DE19722214540 DE2214540A1 (de) 1971-03-26 1972-03-24 Heterocyclische Schwefelverbindungen und Verfahren zu ihrer Herstellung
NL7203975A NL7203975A (fr) 1971-03-26 1972-03-24
GB1428172A GB1362143A (en) 1971-03-26 1972-03-27 Process for the preparation of dihydrothiophene derivatives
GB906673A GB1362144A (en) 1971-03-26 1972-03-27 Thiophene flavouring agents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH451371A CH539631A (fr) 1971-03-26 1971-03-26 Procédé pour la préparation de dérivés hétérocycliques

Publications (1)

Publication Number Publication Date
CH539631A true CH539631A (fr) 1973-07-31

Family

ID=4277491

Family Applications (1)

Application Number Title Priority Date Filing Date
CH451371A CH539631A (fr) 1971-03-26 1971-03-26 Procédé pour la préparation de dérivés hétérocycliques

Country Status (5)

Country Link
CH (1) CH539631A (fr)
DE (1) DE2214540A1 (fr)
FR (1) FR2131628A5 (fr)
GB (2) GB1362143A (fr)
NL (1) NL7203975A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906765A (en) * 1986-09-24 1990-03-06 Lonza Ltd. Process for the production of 4-alkoxy-2(5H) thiophenones
US4997957A (en) * 1985-01-16 1991-03-05 Lonza, Ltd. Process for the production of thiotetronic acid
US5008402A (en) * 1988-09-06 1991-04-16 Lonza Ltd. Process for production of 5-alkyl tetramic acids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025305A1 (de) * 1980-07-04 1982-01-28 Haarmann & Reimer Gmbh, 3450 Holzminden Aromamittel fuer tierfutter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4997957A (en) * 1985-01-16 1991-03-05 Lonza, Ltd. Process for the production of thiotetronic acid
US5093503A (en) * 1985-01-16 1992-03-03 Lonza Ltd. Process for the production of thiotetronic acid
US4906765A (en) * 1986-09-24 1990-03-06 Lonza Ltd. Process for the production of 4-alkoxy-2(5H) thiophenones
US4931570A (en) * 1986-09-24 1990-06-05 Lonza Ltd. Process for the production of 4-alkoxy-2(5H) thiophenones
US5008402A (en) * 1988-09-06 1991-04-16 Lonza Ltd. Process for production of 5-alkyl tetramic acids

Also Published As

Publication number Publication date
GB1362144A (en) 1974-07-30
NL7203975A (fr) 1972-09-28
DE2214540A1 (de) 1972-10-05
FR2131628A5 (fr) 1972-11-10
GB1362143A (en) 1974-07-30

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Legal Events

Date Code Title Description
PL Patent ceased