HK1042290B - Method for preparing 5-carboxy-2-benzofuranone - Google Patents

Method for preparing 5-carboxy-2-benzofuranone Download PDF

Info

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
Application number
HK02100631.3A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1042290A1 (en
Inventor
Dall'asta Leone
Casazza Umberto
Cotticelli Giovanni
Original Assignee
H. Lundbeck A/S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26332721&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1042290(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by H. Lundbeck A/S filed Critical H. Lundbeck A/S
Publication of HK1042290A1 publication Critical patent/HK1042290A1/en
Publication of HK1042290B publication Critical patent/HK1042290B/en

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)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pain & Pain Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Psychiatry (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)
  • Seasonings (AREA)
  • Plural Heterocyclic Compounds (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)
HK02100631.3A 2000-01-18 2002-01-25 Method for preparing 5-carboxy-2-benzofuranone HK1042290B (en)

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 (https=)
EP (2) EP1118614B2 (https=)
JP (1) JP4558182B2 (https=)
CN (1) CN1184220C (https=)
AT (1) ATE219489T1 (https=)
AU (1) AU779581B2 (https=)
BG (1) BG65763B1 (https=)
BR (1) BR0107853A (https=)
CA (1) CA2397497C (https=)
DE (1) DE60000226T3 (https=)
DK (1) DK1118614T4 (https=)
ES (1) ES2178626T5 (https=)
HK (1) HK1042290B (https=)
HU (1) HUP0204187A3 (https=)
IT (1) IT1317729B1 (https=)
MX (1) MXPA02007031A (https=)
PL (1) PL356563A1 (https=)
PT (1) PT1118614E (https=)
RO (1) RO121737B1 (https=)
WO (1) WO2001053284A1 (https=)
ZA (1) ZA200205475B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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.
IES20010157A2 (en) 2000-03-03 2002-03-06 Lundbeck & Co As H Method for the preparation of citalopram
GB0005477D0 (en) 2000-03-07 2000-04-26 Resolution Chemicals Limited Process for the preparation of citalopram
CN1427835A (zh) * 2000-03-13 2003-07-02 H·隆德贝克有限公司 5－取代的1－(4－氟苯基)－1,3－二氢异苯并呋喃的分步烷基化
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
US7687645B2 (en) * 2003-03-21 2010-03-30 H. Lundbeck A/S Intermediates for the preparation of citalopram and escitalopram
US20050154052A1 (en) * 2003-03-24 2005-07-14 Hetero Drugs Limited Novel crystalline forms of (s)-citalopram oxalate
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)

* Cited by examiner, † Cited by third party
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
WO1998019513A2 (en) * 1997-07-08 1998-05-14 H. Lundbeck A/S Method for the preparation of citalopram
CA2291134C (en) * 1998-10-20 2006-05-23 H. Lundbeck A/S Method for the preparation of citalopram
AR026063A1 (es) * 1999-11-01 2002-12-26 Lundbeck & Co As H Metodo para la preparacion de 5-carboxiftalida.
AU1130901A (en) 1999-11-01 2001-05-14 H. Lundbeck A/S Method for the preparation of 5-carboxyphthalide
GB0005477D0 (en) 2000-03-07 2000-04-26 Resolution Chemicals Limited Process for the preparation of citalopram

Also Published As

Publication number Publication date
HUP0204187A3 (en) 2005-05-30
ES2178626T3 (es) 2003-01-01
ES2178626T5 (es) 2011-06-02
DE60000226T3 (de) 2012-02-16
US6703516B2 (en) 2004-03-09
MXPA02007031A (es) 2004-09-06
AU2679801A (en) 2001-07-31
JP4558182B2 (ja) 2010-10-06
BG106925A (bg) 2004-01-30
WO2001053284A1 (en) 2001-07-26
JP2001206881A (ja) 2001-07-31
DK1118614T3 (da) 2002-10-14
HK1042290A1 (en) 2002-08-09
AU779581B2 (en) 2005-01-27
ZA200205475B (en) 2003-12-31
DE60000226D1 (de) 2002-07-25
EP1118614A2 (en) 2001-07-25
CA2397497C (en) 2010-07-06
IT1317729B1 (it) 2003-07-15
EP1187822A1 (en) 2002-03-20
EP1118614B1 (en) 2002-06-19
ATE219489T1 (de) 2002-07-15
BR0107853A (pt) 2002-10-29
DK1118614T4 (da) 2011-06-27
DE60000226T2 (de) 2003-03-06
ITMI20000050A0 (it) 2000-01-18
US20080249319A1 (en) 2008-10-09
US20040171851A1 (en) 2004-09-02
US20030009038A1 (en) 2003-01-09
PT1118614E (pt) 2002-11-29
ITMI20000050A1 (it) 2001-07-18
CN1406236A (zh) 2003-03-26
EP1118614A3 (en) 2001-10-24
HUP0204187A2 (hu) 2003-03-28
EP1118614B2 (en) 2011-03-09
US6458973B1 (en) 2002-10-01
CA2397497A1 (en) 2001-07-26
RO121737B1 (ro) 2008-03-28
BG65763B1 (bg) 2009-10-30
CN1184220C (zh) 2005-01-12
PL356563A1 (en) 2004-06-28

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