BE834443A - Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4 -pyranones-2 - Google Patents
Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4 -pyranones-2Info
- Publication number
- BE834443A BE834443A BE160886A BE160886A BE834443A BE 834443 A BE834443 A BE 834443A BE 160886 A BE160886 A BE 160886A BE 160886 A BE160886 A BE 160886A BE 834443 A BE834443 A BE 834443A
- Authority
- BE
- Belgium
- Prior art keywords
- pyranones
- diones
- dihydro
- cyclohexane
- alkyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
-
- 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
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
-
- 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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
-
- 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
- C07C49/403—Saturated compounds containing a keto group being part of a ring of a six-membered ring
-
- 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
- C07C49/417—Saturated compounds containing a keto group being part of a ring polycyclic
-
- 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
- C07C49/417—Saturated compounds containing a keto group being part of a ring polycyclic
- C07C49/423—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system
- C07C49/427—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system having two rings
- C07C49/443—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system having two rings the condensed ring system containing eight or nine carbon atoms
-
- 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
- C07C49/657—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2448677A DE2448677C3 (de) | 1974-10-12 | 1974-10-12 | Verfahren zur Herstellung von Cyclohexan-13-dionen bzw. 6-Alkyl-3, 4-dihydro-2-pyranonen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE834443A true BE834443A (fr) | 1976-04-13 |
Family
ID=5928143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE160886A BE834443A (fr) | 1974-10-12 | 1975-10-13 | Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4 -pyranones-2 |
Country Status (12)
Country | Link |
---|---|
US (1) | US4041049A (it) |
JP (1) | JPS5168546A (it) |
BE (1) | BE834443A (it) |
BR (1) | BR7506646A (it) |
CA (1) | CA1064520A (it) |
CH (1) | CH613927A5 (it) |
DE (1) | DE2448677C3 (it) |
FR (1) | FR2287435A1 (it) |
GB (1) | GB1520774A (it) |
IT (1) | IT1046865B (it) |
NL (1) | NL7511758A (it) |
ZA (1) | ZA756397B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4256658A (en) * | 1977-03-28 | 1981-03-17 | Union Carbide Corporation | Method of preparing 2-aryl-1,3-cyclohexanedione compounds |
US4256659A (en) * | 1977-03-28 | 1981-03-17 | Union Carbide Corporation | Method of preparing 2-aryl-1,3-cyclohexanedione compounds |
US4256657A (en) * | 1977-03-28 | 1981-03-17 | Union Carbide Corporation | Method of preparing 2-aryl-1,3-cyclohexanedione compounds |
US4209532A (en) * | 1977-03-28 | 1980-06-24 | Union Carbide Corporation | Biocidal 2-aryl-1,3-cyclohexane dione compounds and alkali metal and ammonium salts thereof |
DE2825170A1 (de) * | 1978-06-08 | 1979-12-13 | Hoechst Ag | Verfahren zur herstellung von cyclohexan-1.3-dionen aus delta -ketocarbonsaeureestern |
US4283348A (en) * | 1978-09-22 | 1981-08-11 | Union Carbide Corporation | Method of preparing 2-aryl-3-cyclopentanedione compounds |
US4338122A (en) * | 1979-09-26 | 1982-07-06 | Union Carbide Corporation | Biocidal 2-aryl-1,3-cyclopentanedione compounds and alkali metal and ammonium salts thereof |
US4701539A (en) * | 1979-11-01 | 1987-10-20 | Fmc Corporation | 3,4-dihydro-4,4-dimethyl-2H-pyran-2-one, an insecticide intermediate |
US4551547A (en) * | 1980-11-10 | 1985-11-05 | Union Carbide Corporation | Biocidal 2-aryl-1, 3-cyclopentanedione enol ester compounds |
EP0065708A3 (de) * | 1981-05-21 | 1983-01-26 | Lonza Ag | Verfahren zur Herstellung von Dimedon |
US4399310A (en) * | 1981-09-18 | 1983-08-16 | Koppers Company, Inc. | Preparation of 1,3-cyclic diones by vapor phase cyclization of delta-keto carboxylic acid esters utilizing carrier condensable under ambient conditions |
EP0105474B1 (de) * | 1982-10-04 | 1985-10-23 | Hoechst Aktiengesellschaft | Verfahren zur Isolierung von kristallinem 1,3-Cyclohexandion |
US4632698A (en) * | 1983-09-02 | 1986-12-30 | Union Carbide Corporation | Biocidal 2-aryl-1,3-cyclopentanedione enol ester compounds |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2245270C3 (de) * | 1972-09-15 | 1979-09-13 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexandionen-0,3) |
NL174939C (nl) * | 1973-03-14 | 1984-09-03 | Stamicarbon | Werkwijze voor de bereiding van resorcinol en alkylgesubstitueerde derivaten hiervan. |
NL174940C (nl) * | 1973-03-14 | 1984-09-03 | Stamicarbon | Werkwijze voor de bereiding van cyclohexaan-1,3-dion en alkylgesubstitueerde derivaten hiervan. |
JPS5318493B2 (it) * | 1973-08-31 | 1978-06-15 | ||
US3931322A (en) * | 1974-01-25 | 1976-01-06 | Hoffmann-La Roche Inc. | Synthesis of 2-alkyl-cyclopentan-1,3-diones |
-
1974
- 1974-10-12 DE DE2448677A patent/DE2448677C3/de not_active Expired
-
1975
- 1975-10-07 NL NL7511758A patent/NL7511758A/xx not_active Application Discontinuation
- 1975-10-09 ZA ZA00756397A patent/ZA756397B/xx unknown
- 1975-10-09 CH CH1313575A patent/CH613927A5/xx not_active IP Right Cessation
- 1975-10-09 JP JP50121420A patent/JPS5168546A/ja active Pending
- 1975-10-10 GB GB41609/75A patent/GB1520774A/en not_active Expired
- 1975-10-10 US US05/621,584 patent/US4041049A/en not_active Expired - Lifetime
- 1975-10-10 IT IT28183/75A patent/IT1046865B/it active
- 1975-10-10 CA CA000237447A patent/CA1064520A/en not_active Expired
- 1975-10-10 FR FR7531072A patent/FR2287435A1/fr active Granted
- 1975-10-10 BR BR7506646*A patent/BR7506646A/pt unknown
- 1975-10-13 BE BE160886A patent/BE834443A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2287435B1 (it) | 1979-06-01 |
US4041049A (en) | 1977-08-09 |
FR2287435A1 (fr) | 1976-05-07 |
CH613927A5 (it) | 1979-10-31 |
IT1046865B (it) | 1980-07-31 |
JPS5168546A (en) | 1976-06-14 |
GB1520774A (en) | 1978-08-09 |
DE2448677C3 (de) | 1980-04-03 |
ZA756397B (en) | 1976-09-29 |
BR7506646A (pt) | 1976-08-17 |
DE2448677A1 (de) | 1976-04-22 |
CA1064520A (en) | 1979-10-16 |
NL7511758A (nl) | 1976-04-14 |
DE2448677B2 (de) | 1979-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: HOECHST A.G. Effective date: 19861031 |