ES2089993T1 - Procedimiento y productos intermediarios para la preparacion de clorhidrato de terazosin dihidrato. - Google Patents
Procedimiento y productos intermediarios para la preparacion de clorhidrato de terazosin dihidrato.Info
- Publication number
- ES2089993T1 ES2089993T1 ES95103188T ES95103188T ES2089993T1 ES 2089993 T1 ES2089993 T1 ES 2089993T1 ES 95103188 T ES95103188 T ES 95103188T ES 95103188 T ES95103188 T ES 95103188T ES 2089993 T1 ES2089993 T1 ES 2089993T1
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- chlorhydrate
- terazosin
- dihydrate
- procedure
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- VCKUSRYTPJJLNI-UHFFFAOYSA-N terazosin Chemical compound N=1C(N)=C2C=C(OC)C(OC)=CC2=NC=1N(CC1)CCN1C(=O)C1CCCO1 VCKUSRYTPJJLNI-UHFFFAOYSA-N 0.000 title abstract 2
- 229960001693 terazosin Drugs 0.000 title abstract 2
- ISMYGHVVCUTUFB-UHFFFAOYSA-N hypochlorous acid dihydrate Chemical compound O.O.ClO ISMYGHVVCUTUFB-UHFFFAOYSA-N 0.000 title 1
- 239000013067 intermediate product Substances 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 3
- 238000010306 acid treatment Methods 0.000 abstract 1
- 239000003495 polar organic solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
UN PROCESO PARA LA PREPARACION DE 1-(4-AMINO-6-7-DIMETOXI-2QUINAZOLINIL)-4-(2-TETRAHIDROFUROILO)PIPERACINA HIDROCLORURO (DIHIDRATO DE HIDROCLORURO DE TERAZOSINA COMPRENDE LOS PASOS DE REACCIONAR 4-AMINO-2-CLORO-6,7-DIMETOXI-QUINAZOLINA CON N-(2TETRAHIDROFUROIL)PIPERACINA EN UN SOLVENTE ORGANICO POLAR ANHIDROSO EN AUSENCIA DE UN DEPURADOR DE ACIDO AÑADIDO PARA PRODUCIR HIDROCLORURO 1-(4-AMINO-6,7-DIMETOXI-2-QUIONAZOLINIL)4-(2-TETRAHIDROFUROIL)PIPERACINA ANHIDROSO (FORMA IV) Y A CONTINUACION CONVERTIR EL PRODUCTO DE ESTE PASO EN 1-(4-AMINO6,7-DIMETOXI-2-QUINAZOLINIL)-4-(2-TETRAHIDROFUROIL)DEHIDRATADO DE HIDROCLORURO PIPERACINA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/324,635 US5504207A (en) | 1994-10-18 | 1994-10-18 | Process and intermediate for the preparation of terazosin hydrochloride dihydrate |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2089993T1 true ES2089993T1 (es) | 1996-10-16 |
ES2089993T3 ES2089993T3 (es) | 1997-02-16 |
Family
ID=23264439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95103188T Expired - Lifetime ES2089993T3 (es) | 1994-10-18 | 1995-03-06 | Procedimiento y productos intermedios para la preparacion de clorhidrato de terazosina dihidrato. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5504207A (es) |
EP (1) | EP0708104B1 (es) |
JP (1) | JP2711230B2 (es) |
AT (1) | ATE143959T1 (es) |
BR (1) | BR1100705A (es) |
CA (1) | CA2143971C (es) |
DE (1) | DE69500064T2 (es) |
DK (1) | DK0708104T3 (es) |
ES (1) | ES2089993T3 (es) |
GR (2) | GR960300047T1 (es) |
HK (1) | HK130297A (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5587377A (en) * | 1995-10-24 | 1996-12-24 | Invamed, Inc. | Terazosin crystalline polymorph and pharmaceutical compositions thereof |
DE19546573A1 (de) * | 1995-12-13 | 1997-06-19 | Uetikon Chemie Gmbh | Kristallines Polymorph von Terazosin-Hydrochlorid, sowie Verfahren zu seiner Herstellung |
US5952003A (en) * | 1996-08-01 | 1999-09-14 | Novartis Corporation | Terazosin capsules |
EP0849266B8 (de) * | 1996-12-20 | 2007-10-03 | Heumann PCS GmbH | Neue polymorphe Form von Doxazosinmesylat (Form III) |
EP0849264A1 (de) * | 1996-12-20 | 1998-06-24 | HEUMANN PHARMA GmbH | Neue polymorphe Form von doxazosinmesylat (Form I) |
EP0849265A1 (de) * | 1996-12-20 | 1998-06-24 | HEUMANN PHARMA GmbH | Neue polymorphe Form von Doxazosin-Mesylat (Form II) |
US6248888B1 (en) * | 1997-11-14 | 2001-06-19 | Teva Pharmaceutical Industries Ltd. | Process for the preparation of terazosin hydrochloride dihydrate |
US6200573B1 (en) | 1999-12-03 | 2001-03-13 | Starcor Pharmaceuticals, Inc. | Method of medical management for lower urinary tract symptoms and benign prostatic hyperplasia |
US20070161791A1 (en) * | 2006-01-09 | 2007-07-12 | Narsimha Reddy Penthala | Process for the preparation of terazosin hydrocloride dihydrate |
EP2049117A4 (en) * | 2006-08-08 | 2010-08-25 | Auspex Pharmaceuticals Inc | PREPARATION AND USE OF SUBSTITUTED CHINAZOLIN COMPOUNDS WITH ALPHA-ADRENERGER BLOKING EFFECT |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026894A (en) * | 1975-10-14 | 1977-05-31 | Abbott Laboratories | Antihypertensive agents |
GB1591490A (en) * | 1977-08-04 | 1981-06-24 | Abbott Lab | 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine hydrochloride dihydrate |
DE3683760D1 (de) * | 1986-03-21 | 1992-03-12 | Heumann Pharma Gmbh & Co | Kristalline, wasserfreie sigma -form von 2-(4-(2-furoyl-(2-piperazin)-1-yl)-4-amino-6,7-dimethoxychinazolinhydrochlorid und verfahren zu ihrer herstellung. |
US5212176A (en) * | 1990-06-29 | 1993-05-18 | Abbott Laboratories | R(+)-terazosin |
AU644895B2 (en) * | 1990-08-23 | 1993-12-23 | Dainippon Ink And Chemicals Inc. | Antiviral agent |
JP2652272B2 (ja) * | 1990-12-31 | 1997-09-10 | 住化ファインケム株式会社 | 1−(4−アミノ−6,7−ジメトキシ−2−キナゾリニル)−4−(2−テトラヒドロフロイル)ピペラジン塩酸塩の新規な結晶体および該結晶体の製造方法 |
US5294615A (en) * | 1993-04-29 | 1994-03-15 | Abbott Laboratories | Terazosin polymorph and pharmaceutical composition |
-
1994
- 1994-10-18 US US08/324,635 patent/US5504207A/en not_active Expired - Fee Related
-
1995
- 1995-03-06 DK DK95103188.9T patent/DK0708104T3/da active
- 1995-03-06 CA CA002143971A patent/CA2143971C/en not_active Expired - Fee Related
- 1995-03-06 AT AT95103188T patent/ATE143959T1/de not_active IP Right Cessation
- 1995-03-06 EP EP95103188A patent/EP0708104B1/en not_active Revoked
- 1995-03-06 DE DE69500064T patent/DE69500064T2/de not_active Revoked
- 1995-03-06 ES ES95103188T patent/ES2089993T3/es not_active Expired - Lifetime
- 1995-03-16 JP JP7057435A patent/JP2711230B2/ja not_active Expired - Fee Related
-
1996
- 1996-08-31 GR GR960300047T patent/GR960300047T1/el unknown
- 1996-10-10 GR GR960402604T patent/GR3021319T3/el unknown
-
1997
- 1997-05-08 BR BR1100705-2A patent/BR1100705A/pt active Search and Examination
- 1997-06-26 HK HK130297A patent/HK130297A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE143959T1 (de) | 1996-10-15 |
GR960300047T1 (en) | 1996-08-31 |
JPH08134066A (ja) | 1996-05-28 |
DE69500064D1 (de) | 1996-11-14 |
US5504207A (en) | 1996-04-02 |
ES2089993T3 (es) | 1997-02-16 |
GR3021319T3 (en) | 1997-01-31 |
DK0708104T3 (da) | 1997-03-10 |
CA2143971A1 (en) | 1996-04-19 |
HK130297A (en) | 1997-09-19 |
BR1100705A (pt) | 1999-10-13 |
CA2143971C (en) | 1997-06-03 |
DE69500064T2 (de) | 1997-04-10 |
EP0708104A1 (en) | 1996-04-24 |
EP0708104B1 (en) | 1996-10-09 |
JP2711230B2 (ja) | 1998-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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