DK136979B - Fremgangsmåde til fremstilling af dibenzofuran. - Google Patents
Fremgangsmåde til fremstilling af dibenzofuran.Info
- Publication number
- DK136979B DK136979B DK526775AA DK526775A DK136979B DK 136979 B DK136979 B DK 136979B DK 526775A A DK526775A A DK 526775AA DK 526775 A DK526775 A DK 526775A DK 136979 B DK136979 B DK 136979B
- Authority
- DK
- Denmark
- Prior art keywords
- dibenzofuran
- preparation
- 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
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- 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
- C07C45/68—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 increase in the number of carbon atoms
- C07C45/72—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 increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/74—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 increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT29771/74A IT1027594B (it) | 1974-11-25 | 1974-11-25 | Procedimento per la sintesi di dibenzofurano |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK526775A DK526775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-26 |
| DK136979B true DK136979B (da) | 1977-12-27 |
| DK136979C DK136979C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-06-05 |
Family
ID=11228407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK526775AA DK136979B (da) | 1974-11-25 | 1975-11-21 | Fremgangsmåde til fremstilling af dibenzofuran. |
Country Status (21)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2639576B2 (ja) * | 1988-12-05 | 1997-08-13 | 旭化成工業株式会社 | ジベンゾフラン類の製法 |
| US5516790A (en) * | 1989-01-23 | 1996-05-14 | Texas A&M University System Technology Licensing Office | Synthesis and application of alkyl-substituted dibenzofurans as antitumorigenic agents |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1007772B (de) * | 1956-01-17 | 1957-05-09 | Bayer Ag | Verfahren zur Umwandlung von 1-Cyclohexylidencyclohexanon-(2) bzw. 1-í¸'-Cyclohexenylcyclohexanon-(2) in technisch verwertbare Produkte |
| US3228966A (en) * | 1963-11-12 | 1966-01-11 | Shell Oil Co | Dimethyl furan production from mesityl oxide |
-
1974
- 1974-11-25 IT IT29771/74A patent/IT1027594B/it active
-
1975
- 1975-11-12 ZA ZA00757107A patent/ZA757107B/xx unknown
- 1975-11-18 GB GB47550/75A patent/GB1490140A/en not_active Expired
- 1975-11-21 DK DK526775AA patent/DK136979B/da unknown
- 1975-11-24 HU HU75AI00000247A patent/HU172214B/hu unknown
- 1975-11-24 NO NO753957A patent/NO142814C/no unknown
- 1975-11-24 AT AT891675A patent/AT346324B/de not_active IP Right Cessation
- 1975-11-24 BE BE162113A patent/BE835860A/xx unknown
- 1975-11-24 LU LU73852A patent/LU73852A1/xx unknown
- 1975-11-24 DE DE2552652A patent/DE2552652C3/de not_active Expired
- 1975-11-24 CA CA240,323A patent/CA1053249A/en not_active Expired
- 1975-11-24 AU AU86876/75A patent/AU501035B2/en not_active Expired
- 1975-11-24 NL NL7513706A patent/NL7513706A/xx active Search and Examination
- 1975-11-24 SU SU752190960A patent/SU627756A3/ru active
- 1975-11-24 NL NL7513707A patent/NL7513707A/xx not_active Application Discontinuation
- 1975-11-24 FR FR7535831A patent/FR2291975A1/fr active Granted
- 1975-11-24 DD DD189634A patent/DD122380A5/xx unknown
- 1975-11-24 YU YU02979/75A patent/YU297975A/xx unknown
- 1975-11-25 SE SE7513240A patent/SE407574B/xx unknown
- 1975-11-25 US US05/635,235 patent/US4065469A/en not_active Expired - Lifetime
- 1975-11-25 JP JP50140311A patent/JPS5175058A/ja active Pending
- 1975-11-25 IL IL48534A patent/IL48534A/xx unknown
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