GB1379874A - Process for the preparation of cyclopentenes - Google Patents
Process for the preparation of cyclopentenesInfo
- Publication number
- GB1379874A GB1379874A GB1266573A GB1266573A GB1379874A GB 1379874 A GB1379874 A GB 1379874A GB 1266573 A GB1266573 A GB 1266573A GB 1266573 A GB1266573 A GB 1266573A GB 1379874 A GB1379874 A GB 1379874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- formula
- alkoxy
- group
- lower alkyl
- 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
Links
- 150000001941 cyclopentenes Chemical class 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 abstract 5
- 125000003545 alkoxy group Chemical group 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 3
- 125000001118 alkylidene group Chemical group 0.000 abstract 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 2
- YMDBBTFDBCRGLP-UHFFFAOYSA-N 1-methyl-2-methylidene-3-prop-1-en-2-ylcyclopentan-1-ol Chemical compound CC(=C)C1CCC(C)(O)C1=C YMDBBTFDBCRGLP-UHFFFAOYSA-N 0.000 abstract 1
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 abstract 1
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 125000003172 aldehyde group Chemical group 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000002433 cyclopentenyl group Chemical class C1(=CCCC1)* 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/21—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing rings other than six-membered aromatic rings
-
- 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
- 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
- C07C45/515—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 acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0026—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring
- C11B9/003—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring the ring containing less than six carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
- Cosmetics (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH404072A CH565728A5 (de) | 1972-03-17 | 1972-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1379874A true GB1379874A (en) | 1975-01-08 |
Family
ID=4268690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1266573A Expired GB1379874A (en) | 1972-03-17 | 1973-03-16 | Process for the preparation of cyclopentenes |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5422968B2 (de) |
| CH (1) | CH565728A5 (de) |
| DE (2) | DE2313017C3 (de) |
| FR (1) | FR2176786B1 (de) |
| GB (1) | GB1379874A (de) |
| NL (2) | NL160800C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2513995C2 (de) * | 1975-03-29 | 1984-04-12 | Basf Ag, 6700 Ludwigshafen | Cyclopentenderivate |
| GB8813557D0 (en) * | 1988-06-08 | 1988-07-13 | James River Graphics Ltd | Coating composition & coated paper |
| FR2735399B1 (fr) * | 1995-06-16 | 1997-07-25 | Inst Francais Du Petrole | Nouvelle composition catalytique a base de complexes de metaux de transition et procede pour l'hydrogenation des composes insatures |
| US6187386B1 (en) * | 1996-05-30 | 2001-02-13 | Joseph W. Hundley | Liquid sealant composition and method of using same |
-
1972
- 1972-03-17 CH CH404072A patent/CH565728A5/xx not_active IP Right Cessation
-
1973
- 1973-02-23 NL NL7302559A patent/NL160800C/xx not_active IP Right Cessation
- 1973-03-15 DE DE19732313017 patent/DE2313017C3/de not_active Expired
- 1973-03-15 JP JP3047573A patent/JPS5422968B2/ja not_active Expired
- 1973-03-15 DE DE19732365939 patent/DE2365939C3/de not_active Expired
- 1973-03-16 FR FR7309483A patent/FR2176786B1/fr not_active Expired
- 1973-03-16 GB GB1266573A patent/GB1379874A/en not_active Expired
-
1978
- 1978-02-03 JP JP1137978A patent/JPS53109957A/ja active Granted
-
1979
- 1979-05-28 NL NL7904191A patent/NL7904191A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2365939C3 (de) | 1981-01-15 |
| DE2313017C3 (de) | 1980-03-20 |
| CH565728A5 (de) | 1975-08-29 |
| JPS53109957A (en) | 1978-09-26 |
| DE2313017A1 (de) | 1973-09-27 |
| JPS4911850A (de) | 1974-02-01 |
| NL160800C (nl) | 1979-12-17 |
| DE2365939A1 (de) | 1976-12-09 |
| FR2176786B1 (de) | 1979-01-12 |
| NL7904191A (nl) | 1979-09-28 |
| FR2176786A1 (de) | 1973-11-02 |
| NL7302559A (de) | 1973-09-19 |
| DE2313017B2 (de) | 1979-07-12 |
| NL160800B (nl) | 1979-07-16 |
| JPS5440616B2 (de) | 1979-12-04 |
| DE2365939B2 (de) | 1980-05-08 |
| JPS5422968B2 (de) | 1979-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 429A | Application made for amendment of specification (sect. 29/1949) | ||
| 429H | Application (made) for amendment of specification now open to opposition (sect. 29/1949) | ||
| 429D | Case decided by the comptroller ** specification amended (sect. 29/1949) | ||
| SP | Amendment (slips) printed | ||
| PCNP | Patent ceased through non-payment of renewal fee |