HK1042290B - Method for preparing 5-carboxy-2-benzofuranone - Google Patents
Method for preparing 5-carboxy-2-benzofuranone Download PDFInfo
- Publication number
- HK1042290B HK1042290B HK02100631.3A HK02100631A HK1042290B HK 1042290 B HK1042290 B HK 1042290B HK 02100631 A HK02100631 A HK 02100631A HK 1042290 B HK1042290 B HK 1042290B
- Authority
- HK
- Hong Kong
- Prior art keywords
- process according
- carboxyphthalide
- acid
- mixture
- temperature
- 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
- C07D307/78—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Psychiatry (AREA)
- Pain & Pain Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Seasonings (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2000MI000050A IT1317729B1 (it) | 2000-01-18 | 2000-01-18 | Procedimento per la preparazione della 5-carbossiftalide. |
| ITMI200050 | 2000-01-18 | ||
| US09/690,301 US6458973B1 (en) | 2000-01-18 | 2000-10-17 | Process for the preparation of 5-carboxyphthalide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1042290A1 HK1042290A1 (en) | 2002-08-09 |
| HK1042290B true HK1042290B (en) | 2003-07-18 |
Family
ID=26332721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK02100631.3A HK1042290B (en) | 2000-01-18 | 2002-01-25 | Method for preparing 5-carboxy-2-benzofuranone |
Country Status (21)
| Country | Link |
|---|---|
| US (4) | US6458973B1 (enExample) |
| EP (2) | EP1118614B2 (enExample) |
| JP (1) | JP4558182B2 (enExample) |
| CN (1) | CN1184220C (enExample) |
| AT (1) | ATE219489T1 (enExample) |
| AU (1) | AU779581B2 (enExample) |
| BG (1) | BG65763B1 (enExample) |
| BR (1) | BR0107853A (enExample) |
| CA (1) | CA2397497C (enExample) |
| DE (1) | DE60000226T3 (enExample) |
| DK (1) | DK1118614T4 (enExample) |
| ES (1) | ES2178626T5 (enExample) |
| HK (1) | HK1042290B (enExample) |
| HU (1) | HUP0204187A3 (enExample) |
| IT (1) | IT1317729B1 (enExample) |
| MX (1) | MXPA02007031A (enExample) |
| PL (1) | PL356563A1 (enExample) |
| PT (1) | PT1118614E (enExample) |
| RO (1) | RO121737B1 (enExample) |
| WO (1) | WO2001053284A1 (enExample) |
| ZA (1) | ZA200205475B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR026063A1 (es) * | 1999-11-01 | 2002-12-26 | Lundbeck & Co As H | Metodo para la preparacion de 5-carboxiftalida. |
| NL1017417C1 (nl) | 2000-03-03 | 2001-03-16 | Lundbeck & Co As H | Werkwijze voor de bereiding van Citalopram. |
| GB0005477D0 (en) | 2000-03-07 | 2000-04-26 | Resolution Chemicals Limited | Process for the preparation of citalopram |
| CZ20023100A3 (cs) * | 2000-03-13 | 2003-02-12 | H. Lundbeck A/S | Způsob výroby citalopramu |
| AR032455A1 (es) | 2000-05-12 | 2003-11-12 | Lundbeck & Co As H | Metodo para la preparacion de citalopram, un intermediario empleado en el metodo, un metodo para la preparacion del intermediario empleado en el metodo y composicion farmaceutica antidepresiva |
| CN101362743A (zh) * | 2003-03-21 | 2009-02-11 | H.隆德贝克有限公司 | 用于制备西酞普兰和依他普仑的中间体 |
| TR200504022T1 (tr) * | 2003-03-24 | 2006-08-21 | Hetero Drugs Limited | (S)-sitalopram oksalatın yeni sıvı kristal formları. |
| CN100569765C (zh) | 2003-12-19 | 2009-12-16 | 杭州民生药业集团有限公司 | 西酞普兰中间体晶体碱 |
| WO2006090409A1 (en) * | 2005-02-28 | 2006-08-31 | Kekule Pharma Ltd., | An improved process for the preparation of 5 - carboxyphthalide |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3607884A (en) * | 1969-03-11 | 1971-09-21 | Mobil Oil Corp | Preparation of 5-carboxyphthalide in liquid sodium trioxide |
| US3976751A (en) † | 1974-10-21 | 1976-08-24 | Allied Chemical Corporation | Stabilization of liquid sulfur trioxide |
| DE2630927A1 (de) | 1976-07-09 | 1978-01-19 | Basf Ag | Verfahren zur herstellung von phthalidcarbonsaeure-(5) |
| DE3605716A1 (de) | 1986-02-22 | 1987-09-03 | Henkel Kgaa | Verwendung von unloeslichen schmutzsammlern zur regenerierung von wasch- und reinigungsloesungen |
| TR200000066T2 (tr) * | 1997-07-08 | 2000-11-21 | H. Lundbeck A/S | Sitalopram hazırlanması için yöntem. |
| PL199423B1 (pl) * | 1998-10-20 | 2008-09-30 | Lundbeck & Co As H | Sposób wytwarzania citalopramu |
| AU1130901A (en) | 1999-11-01 | 2001-05-14 | H. Lundbeck A/S | Method for the preparation of 5-carboxyphthalide |
| AR026063A1 (es) | 1999-11-01 | 2002-12-26 | Lundbeck & Co As H | Metodo para la preparacion de 5-carboxiftalida. |
| GB0005477D0 (en) | 2000-03-07 | 2000-04-26 | Resolution Chemicals Limited | Process for the preparation of citalopram |
-
2000
- 2000-01-18 IT IT2000MI000050A patent/IT1317729B1/it active
- 2000-10-17 EP EP00203602A patent/EP1118614B2/en not_active Expired - Lifetime
- 2000-10-17 US US09/690,301 patent/US6458973B1/en not_active Expired - Fee Related
- 2000-10-17 PT PT00203602T patent/PT1118614E/pt unknown
- 2000-10-17 DK DK00203602.8T patent/DK1118614T4/da active
- 2000-10-17 AT AT00203602T patent/ATE219489T1/de not_active IP Right Cessation
- 2000-10-17 ES ES00203602T patent/ES2178626T5/es not_active Expired - Lifetime
- 2000-10-17 DE DE60000226T patent/DE60000226T3/de not_active Expired - Lifetime
- 2000-12-07 JP JP2000372224A patent/JP4558182B2/ja not_active Expired - Lifetime
-
2001
- 2001-01-17 HU HU0204187A patent/HUP0204187A3/hu unknown
- 2001-01-17 MX MXPA02007031A patent/MXPA02007031A/es active IP Right Grant
- 2001-01-17 EP EP01901181A patent/EP1187822A1/en not_active Withdrawn
- 2001-01-17 BR BR0107853-4A patent/BR0107853A/pt not_active Application Discontinuation
- 2001-01-17 PL PL01356563A patent/PL356563A1/xx not_active IP Right Cessation
- 2001-01-17 RO ROA200200989A patent/RO121737B1/ro unknown
- 2001-01-17 WO PCT/EP2001/000617 patent/WO2001053284A1/en not_active Ceased
- 2001-01-17 AU AU26798/01A patent/AU779581B2/en not_active Revoked
- 2001-01-17 CN CNB018038484A patent/CN1184220C/zh not_active Expired - Lifetime
- 2001-01-17 CA CA2397497A patent/CA2397497C/en not_active Expired - Fee Related
-
2002
- 2002-01-25 HK HK02100631.3A patent/HK1042290B/en not_active IP Right Cessation
- 2002-07-09 ZA ZA200205475A patent/ZA200205475B/xx unknown
- 2002-07-16 BG BG106925A patent/BG65763B1/bg unknown
- 2002-08-23 US US10/227,038 patent/US6703516B2/en not_active Expired - Fee Related
-
2004
- 2004-03-08 US US10/796,336 patent/US20040171851A1/en not_active Abandoned
-
2007
- 2007-10-22 US US11/975,842 patent/US20080249319A1/en not_active Abandoned
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PS | Patent surrendered | ||
| PS | Patent surrendered |