CH539631A - Process for the preparation of heterocyclic derivatives - Google Patents
Process for the preparation of heterocyclic derivativesInfo
- 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
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)
- Seasonings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH451371A CH539631A (en) | 1971-03-26 | 1971-03-26 | Process for the preparation of heterocyclic derivatives |
FR7210537A FR2131628A5 (en) | 1971-03-26 | 1972-03-24 | |
DE19722214540 DE2214540A1 (en) | 1971-03-26 | 1972-03-24 | Heterocyclic sulfur compounds and processes for their preparation |
NL7203975A NL7203975A (en) | 1971-03-26 | 1972-03-24 | |
GB906673A GB1362144A (en) | 1971-03-26 | 1972-03-27 | Thiophene flavouring agents |
GB1428172A GB1362143A (en) | 1971-03-26 | 1972-03-27 | Process for the preparation of dihydrothiophene derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH451371A CH539631A (en) | 1971-03-26 | 1971-03-26 | Process for the preparation of heterocyclic derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
CH539631A true CH539631A (en) | 1973-07-31 |
Family
ID=4277491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH451371A CH539631A (en) | 1971-03-26 | 1971-03-26 | Process for the preparation of heterocyclic derivatives |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH539631A (en) |
DE (1) | DE2214540A1 (en) |
FR (1) | FR2131628A5 (en) |
GB (2) | GB1362143A (en) |
NL (1) | NL7203975A (en) |
Cited By (3)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3025305A1 (en) * | 1980-07-04 | 1982-01-28 | Haarmann & Reimer Gmbh, 3450 Holzminden | Flavorings for animal feed |
-
1971
- 1971-03-26 CH CH451371A patent/CH539631A/en not_active IP Right Cessation
-
1972
- 1972-03-24 NL NL7203975A patent/NL7203975A/xx unknown
- 1972-03-24 DE DE19722214540 patent/DE2214540A1/en active Pending
- 1972-03-24 FR FR7210537A patent/FR2131628A5/fr not_active Expired
- 1972-03-27 GB GB1428172A patent/GB1362143A/en not_active Expired
- 1972-03-27 GB GB906673A patent/GB1362144A/en not_active Expired
Cited By (5)
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 |
---|---|
DE2214540A1 (en) | 1972-10-05 |
NL7203975A (en) | 1972-09-28 |
GB1362143A (en) | 1974-07-30 |
FR2131628A5 (en) | 1972-11-10 |
GB1362144A (en) | 1974-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |