CN100338052C - 2-苯并[c]呋喃酮的制备方法 - Google Patents
2-苯并[c]呋喃酮的制备方法 Download PDFInfo
- Publication number
- CN100338052C CN100338052C CNB988092298A CN98809229A CN100338052C CN 100338052 C CN100338052 C CN 100338052C CN B988092298 A CNB988092298 A CN B988092298A CN 98809229 A CN98809229 A CN 98809229A CN 100338052 C CN100338052 C CN 100338052C
- Authority
- CN
- China
- Prior art keywords
- benzo
- furanone
- electrolytic solution
- phthalic acid
- crystallization
- 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 - Fee Related
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
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19741423.0 | 1997-09-19 | ||
| DE19741423A DE19741423A1 (de) | 1997-09-19 | 1997-09-19 | Verfahren zur Herstellung von Phthaliden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1270588A CN1270588A (zh) | 2000-10-18 |
| CN100338052C true CN100338052C (zh) | 2007-09-19 |
Family
ID=7842970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB988092298A Expired - Fee Related CN100338052C (zh) | 1997-09-19 | 1998-09-05 | 2-苯并[c]呋喃酮的制备方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6315884B1 (enExample) |
| EP (1) | EP1017688B1 (enExample) |
| JP (1) | JP2001517662A (enExample) |
| KR (1) | KR100516422B1 (enExample) |
| CN (1) | CN100338052C (enExample) |
| CA (1) | CA2303985C (enExample) |
| DE (2) | DE19741423A1 (enExample) |
| ES (1) | ES2175793T3 (enExample) |
| IN (1) | IN187727B (enExample) |
| WO (1) | WO1999015514A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058304A1 (de) * | 2000-11-24 | 2002-05-29 | Basf Ag | Verfahren zur Herstellung von alkoxylierten Carbonylverbindungen durch ein anodisches Oxidationsverfahren unter Nutzung der kathodischen Koppelreaktion zur organischen Synthese |
| US20190352784A1 (en) * | 2016-11-24 | 2019-11-21 | Avantium Knowledge Centre B.V. | Process for treating a furan-2,5-dicarboxylic acid composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997043464A1 (de) * | 1996-05-10 | 1997-11-20 | Basf Aktiengesellschaft | Verfahren zur herstellung von phthaliden |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2510920A1 (de) * | 1975-03-13 | 1976-09-30 | Basf Ag | Verfahren zur elektrochemischen herstellung von phthalid |
-
1997
- 1997-09-19 DE DE19741423A patent/DE19741423A1/de not_active Withdrawn
-
1998
- 1998-09-05 KR KR10-2000-7002899A patent/KR100516422B1/ko not_active Expired - Fee Related
- 1998-09-05 WO PCT/EP1998/005626 patent/WO1999015514A1/de not_active Ceased
- 1998-09-05 US US09/508,114 patent/US6315884B1/en not_active Expired - Fee Related
- 1998-09-05 CA CA002303985A patent/CA2303985C/en not_active Expired - Fee Related
- 1998-09-05 DE DE59803768T patent/DE59803768D1/de not_active Expired - Fee Related
- 1998-09-05 CN CNB988092298A patent/CN100338052C/zh not_active Expired - Fee Related
- 1998-09-05 ES ES98948912T patent/ES2175793T3/es not_active Expired - Lifetime
- 1998-09-05 JP JP2000512821A patent/JP2001517662A/ja active Pending
- 1998-09-05 EP EP98948912A patent/EP1017688B1/de not_active Expired - Lifetime
- 1998-09-18 IN IN2100MA1998 patent/IN187727B/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997043464A1 (de) * | 1996-05-10 | 1997-11-20 | Basf Aktiengesellschaft | Verfahren zur herstellung von phthaliden |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001517662A (ja) | 2001-10-09 |
| US6315884B1 (en) | 2001-11-13 |
| EP1017688A1 (de) | 2000-07-12 |
| KR20010024139A (ko) | 2001-03-26 |
| CA2303985A1 (en) | 1999-04-01 |
| KR100516422B1 (ko) | 2005-09-23 |
| IN187727B (enExample) | 2002-06-15 |
| CN1270588A (zh) | 2000-10-18 |
| ES2175793T3 (es) | 2002-11-16 |
| DE59803768D1 (de) | 2002-05-16 |
| WO1999015514A1 (de) | 1999-04-01 |
| DE19741423A1 (de) | 1999-03-25 |
| CA2303985C (en) | 2008-05-27 |
| EP1017688B1 (de) | 2002-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4060382B2 (ja) | 精製されたエチレングリコールカーボネート(egc)の分離方法 | |
| JPH03200753A (ja) | 光学純度の高い光学活性アテノロール塩及びアテノロールの製法 | |
| CN1221509C (zh) | 用偶联电合成制备丁烷四甲酸衍生物的方法 | |
| CN100338052C (zh) | 2-苯并[c]呋喃酮的制备方法 | |
| CA2254788C (en) | Process for preparing phthalides | |
| JP4297608B2 (ja) | フタリドの精製 | |
| US6245945B1 (en) | Selective hydrolysis of acetals or ketals in the presence of phthalides | |
| CN1033795A (zh) | 制备光学活性棉酚的方法 | |
| SU1235456A3 (ru) | Способ получени себациновой кислоты | |
| JP4873207B2 (ja) | 光学活性カルボン酸クロリドの精製方法 | |
| CN1027062C (zh) | 2-氯对苯二酰氯的制备 | |
| RU2402524C1 (ru) | Способ получения монохлоруксусной кислоты | |
| RU99113024A (ru) | СПОСОБ ОЧИСТКИ СЛОЖНЫХ ЭФИРОВ КАРБАЗОЛА-ПРЕДШЕСТВЕННИКОВ 6-ХЛОР-α-МЕТИЛ-КАРБАЗОЛ-2-УКСУСНОЙ КИСЛОТЫ | |
| JPS597356B2 (ja) | 3−メチル−2−シクロペンテノンの製造方法 | |
| JPS6044398B2 (ja) | 高級二塩基酸ジメチルの製造方法 | |
| DE19745579A1 (de) | Verfahren zur Reinigung von Phthaliden | |
| KR20040061551A (ko) | 2,6-나프탈렌디카르복실산의 정제방법 | |
| JPS5942077B2 (ja) | アゼライン酸ジメチルの製造方法 | |
| JPS5950754B2 (ja) | ジカルボン酸ジメチルの製造方法 | |
| HU191093B (en) | Process for producing new n-/1-/s/-substituted-propyl/-/s/-alanyl-/s/-prolin-ester derivatives |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20120905 |