DE2704505C2 - Verfahren zur Herstellung von Tetrahydrofuran oder Dihydrofuran - Google Patents
Verfahren zur Herstellung von Tetrahydrofuran oder DihydrofuranInfo
- Publication number
- DE2704505C2 DE2704505C2 DE2704505A DE2704505A DE2704505C2 DE 2704505 C2 DE2704505 C2 DE 2704505C2 DE 2704505 A DE2704505 A DE 2704505A DE 2704505 A DE2704505 A DE 2704505A DE 2704505 C2 DE2704505 C2 DE 2704505C2
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- water
- line
- acetic acid
- reaction vessel
- 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
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
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1107776A JPS5293762A (en) | 1976-02-04 | 1976-02-04 | Preparation of cyclic ethers |
| JP2845176A JPS52111557A (en) | 1976-03-16 | 1976-03-16 | Production of cyclic ether |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2704505A1 DE2704505A1 (de) | 1977-08-18 |
| DE2704505C2 true DE2704505C2 (de) | 1986-06-26 |
Family
ID=26346463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2704505A Expired DE2704505C2 (de) | 1976-02-04 | 1977-02-03 | Verfahren zur Herstellung von Tetrahydrofuran oder Dihydrofuran |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4105679A (enExample) |
| CA (1) | CA1088084A (enExample) |
| DE (1) | DE2704505C2 (enExample) |
| FR (1) | FR2340313A1 (enExample) |
| GB (1) | GB1554368A (enExample) |
| IT (1) | IT1118060B (enExample) |
| NL (1) | NL7701057A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3726805A1 (de) * | 1987-08-12 | 1989-02-23 | Basf Ag | Verfahren zur destillativen reinigung von tetrahydrofuran |
| US5766746A (en) * | 1994-11-07 | 1998-06-16 | Lenzing Aktiengesellschaft | Flame retardant non-woven textile article |
| TW202146365A (zh) * | 2020-03-27 | 2021-12-16 | 美商富士軟片電子材料美國股份有限公司 | 用於純化溶劑之系統及方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1170222A (en) * | 1968-06-10 | 1969-11-12 | Shell Int Research | Process for the preparation of Tetrahydrofuran and/or Homologues thereof |
| US4005112A (en) * | 1973-11-30 | 1977-01-25 | General Electric Company | Multistep method for preparation of tetrahydrofuran starting from propylene, oxygen and a carboxylic acid |
| US4011244A (en) * | 1973-12-03 | 1977-03-08 | General Electric Company | Process for preparing tetrahydrofuran |
| US4010171A (en) * | 1973-12-03 | 1977-03-01 | General Electric Company | Process for preparing tetrahydrofuran |
| US4005113A (en) * | 1973-12-03 | 1977-01-25 | General Electric Company | Multi-step process for preparation of tetrahydrofuran starting from propylene, oxygen and a carboxylic acid |
| DE2442886B2 (de) * | 1974-09-07 | 1976-09-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von tetrahydrofuran |
-
1977
- 1977-01-28 US US05/763,715 patent/US4105679A/en not_active Expired - Lifetime
- 1977-02-02 NL NL7701057A patent/NL7701057A/xx not_active Application Discontinuation
- 1977-02-02 IT IT67216/77A patent/IT1118060B/it active
- 1977-02-03 FR FR7702998A patent/FR2340313A1/fr active Granted
- 1977-02-03 DE DE2704505A patent/DE2704505C2/de not_active Expired
- 1977-02-04 CA CA271,100A patent/CA1088084A/en not_active Expired
- 1977-02-04 GB GB4728/77A patent/GB1554368A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1118060B (it) | 1986-02-24 |
| NL7701057A (nl) | 1977-08-08 |
| FR2340313B1 (enExample) | 1980-08-08 |
| DE2704505A1 (de) | 1977-08-18 |
| FR2340313A1 (fr) | 1977-09-02 |
| CA1088084A (en) | 1980-10-21 |
| US4105679A (en) | 1978-08-08 |
| GB1554368A (en) | 1979-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |