NL7416496A - Werkwijze ter bereiding van 3-alkyl-cyclopen- taan-1,2-dionen. - Google Patents
Werkwijze ter bereiding van 3-alkyl-cyclopen- taan-1,2-dionen.Info
- Publication number
- NL7416496A NL7416496A NL7416496A NL7416496A NL7416496A NL 7416496 A NL7416496 A NL 7416496A NL 7416496 A NL7416496 A NL 7416496A NL 7416496 A NL7416496 A NL 7416496A NL 7416496 A NL7416496 A NL 7416496A
- Authority
- NL
- Netherlands
- Prior art keywords
- cyclopen
- diones
- tan
- alkyl
- preparing
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/385—Saturated compounds containing a keto group being part of a ring
- C07C49/395—Saturated compounds containing a keto group being part of a ring of a five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US426021A US3922296A (en) | 1973-12-19 | 1973-12-19 | Novel process for the preparation of cyclopentane-1, 2-diones and intermediates therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7416496A true NL7416496A (nl) | 1975-06-23 |
Family
ID=23688955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7416496A NL7416496A (nl) | 1973-12-19 | 1974-12-18 | Werkwijze ter bereiding van 3-alkyl-cyclopen- taan-1,2-dionen. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3922296A (nl) |
| JP (1) | JPS5093948A (nl) |
| BE (1) | BE823572A (nl) |
| CA (1) | CA1056848A (nl) |
| CH (1) | CH608482A5 (nl) |
| DE (1) | DE2458209A1 (nl) |
| FR (2) | FR2272067B1 (nl) |
| GB (1) | GB1429287A (nl) |
| NL (1) | NL7416496A (nl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5198245A (ja) * | 1975-02-24 | 1976-08-30 | Shikuropentenonjudotaino seizohoho | |
| US4168280A (en) * | 1978-05-19 | 1979-09-18 | El Paso Products Company | Method for synthesis of 2-hydroxy-3-methyl cyclopent-2-ene-1-one |
| JPH02221241A (ja) * | 1989-01-06 | 1990-09-04 | Lonza Ag | １，３―シクロペンタンジオンの製造方法 |
| US5856582A (en) * | 1997-09-26 | 1999-01-05 | Crum; Glen Francis | Process for the manufacture of 2-hydroxy-3-methylcyclopent-2-ene-1-one |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652043A (en) * | 1969-12-31 | 1972-03-28 | Singer General Precision | Lead screw coupling |
-
1973
- 1973-12-19 US US426021A patent/US3922296A/en not_active Expired - Lifetime
-
1974
- 1974-12-09 DE DE19742458209 patent/DE2458209A1/de not_active Withdrawn
- 1974-12-10 CA CA215,579A patent/CA1056848A/en not_active Expired
- 1974-12-16 GB GB5422474A patent/GB1429287A/en not_active Expired
- 1974-12-18 CH CH1684574A patent/CH608482A5/xx not_active IP Right Cessation
- 1974-12-18 NL NL7416496A patent/NL7416496A/nl not_active Application Discontinuation
- 1974-12-18 FR FR7441873A patent/FR2272067B1/fr not_active Expired
- 1974-12-19 BE BE151694A patent/BE823572A/xx unknown
- 1974-12-19 JP JP49146233A patent/JPS5093948A/ja active Pending
-
1975
- 1975-05-27 FR FR7516518A patent/FR2264800B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE823572A (fr) | 1975-04-16 |
| CA1056848A (en) | 1979-06-19 |
| CH608482A5 (nl) | 1979-01-15 |
| JPS5093948A (nl) | 1975-07-26 |
| DE2458209A1 (de) | 1975-07-03 |
| GB1429287A (en) | 1976-03-24 |
| FR2272067B1 (nl) | 1978-07-13 |
| FR2272067A1 (nl) | 1975-12-19 |
| FR2264800A1 (nl) | 1975-10-17 |
| US3922296A (en) | 1975-11-25 |
| FR2264800B1 (nl) | 1979-06-08 |
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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 | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |