NL8000662A - Werkwijze ter bereiding van alfa-hydroxycarbonyl- verbindingen. - Google Patents
Werkwijze ter bereiding van alfa-hydroxycarbonyl- verbindingen. Download PDFInfo
- Publication number
- NL8000662A NL8000662A NL8000662A NL8000662A NL8000662A NL 8000662 A NL8000662 A NL 8000662A NL 8000662 A NL8000662 A NL 8000662A NL 8000662 A NL8000662 A NL 8000662A NL 8000662 A NL8000662 A NL 8000662A
- Authority
- NL
- Netherlands
- Prior art keywords
- cyano
- formula
- hydrogen
- methyl
- hydroxy
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
- C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH102479 | 1979-02-02 | ||
| CH102479A CH643228A5 (en) | 1979-02-02 | 1979-02-02 | Process for the preparation of alpha-hydroxycarbonyl compounds |
| CH1110479 | 1979-12-14 | ||
| CH1110479A CH645087A5 (en) | 1979-12-14 | 1979-12-14 | alpha-Hydroxycarbonyl compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8000662A true NL8000662A (nl) | 1980-08-05 |
Family
ID=25686416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8000662A NL8000662A (nl) | 1979-02-02 | 1980-02-01 | Werkwijze ter bereiding van alfa-hydroxycarbonyl- verbindingen. |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4318855A (da) |
| DE (1) | DE3003457A1 (da) |
| FR (1) | FR2447917A1 (da) |
| GB (2) | GB2041935B (da) |
| NL (1) | NL8000662A (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558266B2 (ja) * | 1985-11-20 | 1996-11-27 | ジボーダン ― ルール （ アンテルナショナル ） ソシエテ アノニム | α−ヒドロキシカルボニル化合物の製造法 |
| DE60207575T2 (de) * | 2001-07-20 | 2006-08-10 | Mars Inc. | Bereitungsverfahren für mit dulce de leche aromatisierte konfektzusammensetzung auf basis von fett und die so hergestellten produkte |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2022013A1 (en) * | 1968-10-31 | 1970-07-24 | May & Baker Ltd | Furan derivatives for perfumes and flavourings |
| US3843704A (en) * | 1972-04-17 | 1974-10-22 | Pfizer | 4 and 3,5 substituted derivatives of 1,2-bistrihydrocarbyl-selox-1-cyclopentenes |
| US4181666A (en) * | 1977-08-11 | 1980-01-01 | Givaudan Corporation | Process for making furanones |
-
1980
- 1980-01-24 US US06/114,938 patent/US4318855A/en not_active Expired - Lifetime
- 1980-01-30 FR FR8001995A patent/FR2447917A1/fr active Granted
- 1980-01-31 DE DE19803003457 patent/DE3003457A1/de active Granted
- 1980-02-01 NL NL8000662A patent/NL8000662A/nl active Search and Examination
- 1980-02-01 GB GB8003421A patent/GB2041935B/en not_active Expired
-
1981
- 1981-07-30 US US06/288,555 patent/US4428886A/en not_active Expired - Lifetime
-
1982
- 1982-11-15 GB GB08232601A patent/GB2111983B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2041935B (en) | 1983-05-25 |
| US4318855A (en) | 1982-03-09 |
| FR2447917B1 (da) | 1983-07-29 |
| GB2041935A (en) | 1980-09-17 |
| DE3003457A1 (de) | 1980-08-14 |
| US4428886A (en) | 1984-01-31 |
| GB2111983B (en) | 1983-11-02 |
| GB2111983A (en) | 1983-07-13 |
| FR2447917A1 (fr) | 1980-08-29 |
| DE3003457C2 (da) | 1990-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BC | A request for examination has been filed | ||
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: GIVAUDAN-ROURE (INTERNATIONAL) S.A. |
|
| BN | A decision not to publish the application has become irrevocable |