ATE190976T1 - Verfahren zur herstellung von 2-coumaranon - Google Patents
Verfahren zur herstellung von 2-coumaranonInfo
- Publication number
- ATE190976T1 ATE190976T1 AT95401385T AT95401385T ATE190976T1 AT E190976 T1 ATE190976 T1 AT E190976T1 AT 95401385 T AT95401385 T AT 95401385T AT 95401385 T AT95401385 T AT 95401385T AT E190976 T1 ATE190976 T1 AT E190976T1
- Authority
- AT
- Austria
- Prior art keywords
- vapour
- iii
- reaction
- dehydrogenation catalyst
- coumaranone
- Prior art date
Links
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical compound C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 abstract 5
- 239000003054 catalyst Substances 0.000 abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 238000006356 dehydrogenation reaction Methods 0.000 abstract 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 2
- 229910004373 HOAc Inorganic materials 0.000 abstract 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- 239000012159 carrier gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D307/83—Oxygen atoms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9407651A FR2721609B1 (fr) | 1994-06-22 | 1994-06-22 | Méthode de préparation de la 2-coumaranone. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE190976T1 true ATE190976T1 (de) | 2000-04-15 |
Family
ID=9464510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT95401385T ATE190976T1 (de) | 1994-06-22 | 1995-06-14 | Verfahren zur herstellung von 2-coumaranon |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5616733A (de) |
| EP (1) | EP0688769B1 (de) |
| JP (1) | JP3746091B2 (de) |
| CN (1) | CN1059209C (de) |
| AT (1) | ATE190976T1 (de) |
| DE (1) | DE69515731T2 (de) |
| ES (1) | ES2143601T3 (de) |
| FR (1) | FR2721609B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2750990B1 (fr) * | 1996-07-09 | 1998-11-06 | Hoechst France | Procede de preparation de l'enol-lactone de l'acide 2-oxocyclohexylidene acetique et application a la preparation de la 2-coumaranone |
| AT410796B (de) | 2000-06-06 | 2003-07-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur herstellung von 2-coumaron |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4336202A (en) * | 1980-05-29 | 1982-06-22 | Kuraray Co., Ltd. | 1,3-Cyclohexanedione derivatives |
| FR2686880B1 (fr) * | 1992-02-04 | 1994-05-13 | Hoechst Ste Francaise | Procede de preparation de la chloro-5 3h-benzofuranone-2 et son application a l'obtention de l'acide chloro-5 hydroxy-2 phenylacetique. |
-
1994
- 1994-06-22 FR FR9407651A patent/FR2721609B1/fr not_active Expired - Lifetime
-
1995
- 1995-06-07 US US08/472,400 patent/US5616733A/en not_active Expired - Lifetime
- 1995-06-14 DE DE69515731T patent/DE69515731T2/de not_active Expired - Lifetime
- 1995-06-14 EP EP95401385A patent/EP0688769B1/de not_active Expired - Lifetime
- 1995-06-14 AT AT95401385T patent/ATE190976T1/de active
- 1995-06-14 ES ES95401385T patent/ES2143601T3/es not_active Expired - Lifetime
- 1995-06-16 JP JP17414995A patent/JP3746091B2/ja not_active Expired - Lifetime
- 1995-06-21 CN CN95107010A patent/CN1059209C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2721609A1 (fr) | 1995-12-29 |
| US5616733A (en) | 1997-04-01 |
| ES2143601T3 (es) | 2000-05-16 |
| CN1059209C (zh) | 2000-12-06 |
| EP0688769A1 (de) | 1995-12-27 |
| CN1120540A (zh) | 1996-04-17 |
| DE69515731D1 (de) | 2000-04-27 |
| JP3746091B2 (ja) | 2006-02-15 |
| EP0688769B1 (de) | 2000-03-22 |
| JPH0812662A (ja) | 1996-01-16 |
| FR2721609B1 (fr) | 1996-10-04 |
| DE69515731T2 (de) | 2000-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| EEIH | Change in the person of patent owner |