FR2052648A5 - - Google Patents
Info
- Publication number
- FR2052648A5 FR2052648A5 FR7022078A FR7022078A FR2052648A5 FR 2052648 A5 FR2052648 A5 FR 2052648A5 FR 7022078 A FR7022078 A FR 7022078A FR 7022078 A FR7022078 A FR 7022078A FR 2052648 A5 FR2052648 A5 FR 2052648A5
- Authority
- FR
- France
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83452969A | 1969-06-18 | 1969-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2052648A5 true FR2052648A5 (es) | 1971-04-09 |
Family
ID=25267137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7022078A Expired FR2052648A5 (es) | 1969-06-18 | 1970-06-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE752104A (es) |
| DE (1) | DE2029557A1 (es) |
| FR (1) | FR2052648A5 (es) |
| GB (1) | GB1289571A (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE31104E (en) | 1973-01-31 | 1982-12-14 | Alloy Surfaces Company, Inc. | Catalytic structure |
| DE102007047018B4 (de) | 2007-10-01 | 2009-05-20 | Elmech Service Gmbh | Vorrichtung zum Bewegen und Transportieren |
| FR2936803B1 (fr) | 2008-10-06 | 2012-09-28 | Arkema France | Copolymere a blocs issu de matieres renouvelables et procede de fabrication d'un tel copolymere a blocs. |
| WO2012095375A1 (de) | 2011-01-12 | 2012-07-19 | Basf Se | VERFAHREN ZUR HYDRIERUNG VON 1,4-BUTINDIOL ZU TETRAHYDROFURAN, 1,4-BUTANDIOL UND γ-BUTYROLACTON ENTHALTENDEN GEMISCHEN IN DER GASPHASE |
| WO2012095709A1 (en) * | 2011-01-12 | 2012-07-19 | Basf Se | Process for the hydrogenation of 1,4-butynediol to tetrahydrofuran in the gas phase |
| EP3500561B1 (en) | 2016-08-19 | 2020-06-17 | Nitto Belgium NV | Preparation of tmthf |
| CN113173894B (zh) * | 2021-06-04 | 2022-08-02 | 上海巽田科技股份有限公司 | 一种连续合成四氢呋喃-3-酮的方法 |
-
1970
- 1970-06-16 FR FR7022078A patent/FR2052648A5/fr not_active Expired
- 1970-06-16 DE DE19702029557 patent/DE2029557A1/de active Pending
- 1970-06-16 GB GB1289571D patent/GB1289571A/en not_active Expired
- 1970-06-17 BE BE752104D patent/BE752104A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1289571A (es) | 1972-09-20 |
| BE752104A (fr) | 1970-12-01 |
| DE2029557A1 (es) | 1970-12-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |