WO2004089900A1 - Azabicyclo derivatives as muscarinic receptor antagonists - Google Patents
Azabicyclo derivatives as muscarinic receptor antagonists Download PDFInfo
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- WO2004089900A1 WO2004089900A1 PCT/IB2004/000008 IB2004000008W WO2004089900A1 WO 2004089900 A1 WO2004089900 A1 WO 2004089900A1 IB 2004000008 W IB2004000008 W IB 2004000008W WO 2004089900 A1 WO2004089900 A1 WO 2004089900A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/52—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring condensed with a ring other than six-membered
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Definitions
- This invention generally relates to muscarinic receptor antagonists which are useful, among other uses, for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems mediated through muscarinic receptors.
- the invention relates to derivatives of azabicyclo compounds, including, for example, 6- substituted azabicyclo [3.1.0] hexanes, as well as pharmaceutical compositions containing such compounds and methods of treating diseases mediated through muscarinic receptors.
- GPCRs G Protein Coupled Receptors
- ⁇ i composed of a family of 5 receptor sub-types (Mi, M 2 , M 3 , and M 5 ) and are activated by the neurotransmitter acetylcholine. These receptors are widely distributed on multiple organs and tissues and are critical to the maintenance of central and peripheral cholinergic neurotransmission. The regional distribution of these receptor sub-types in the brain and other organs has been documented.
- the Mi subtype is located primarily in neuronal tissues such as cereberal cortex and autonomic ganglia
- the M 2 subtype is present mainly in the heart where it mediates cholinergically induced bradycardia
- the M subtype is located predominantly on smooth muscle and sjalivary glands (Nature, 323, p.411 (1986); Science, 237, p.527 (1987)).
- Muscarinic agonists such as muscarine and pilocarpine and antagonists such as atropine have been known for over a century, but little progress has been made in the discovery of receptor subtype-selective compounds, making it difficult to assign specific functions to the individual receptors.
- classical muscarinic antagonists such as atropine are potent bronchodilators, their clinical utility is limited due to high incidence of both peripheral and central adverse effects such as tachycardia, blurred vision, dryness of mouth, constipation, dementia, etc.
- WO 01/42213 describes 2-biph ⁇ nyl-4-piperidinyl ureas.
- WO 01/42212 describes carbamate derivatives.
- WO 01/90081 describes .imino alkyl lactam.
- WO 02/53564 describes novel quinuclidine derivatives.
- WO 02/00652 describes carbamates derived from arylalkyl amines.
- WO 02/06241 describes 1,2,3,5- tetrahydrobenzo(c)azepin-4-one derivatives.
- azabicyclo derivatives including, for example, 6-substituted azabicyclo[3.1.0]hexanes, 2,6- and 4,6-disubstituted derivatives and 2,4,6-trisubstituted derivatives are provided as muscarinic receptor antagonists which can be useful as safe and effective therapeutic or prophylactic agents for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems. Also provided are processes for synthesizing such compounds. In another aspect, pharmaceutical compositions containing such compounds are provided together with acceptable carriers, excipients or diluents which can be useful for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems.
- Ri and R are independently selected from C ⁇ -C 6 alkyl, C 3 -C 7 cycloalkyl or optionally substituted phenyl wherein optional substituent(s) can be selected from -C 3 alkyl, C ⁇ -C 3 alkoxy or halogen;
- Z can represent oxygen or NR 3 wherein R 3 represents hydrogen or C ⁇ -C 3 alkyl.
- a method for treatment or prophylaxis of an animal or a human suffering from a disease or disorder associated with muscarinic receptors comprising administering to a patient in need thereof, an effective amount of a muscarinic receptor antagonist compound as described above.
- a method for treatment or prophylaxis of an animal or a human suffering from a disease or disorder of the respiratory system such as bronchial asthma, chronic obstructive pulmonary disorders (COPD), pulmonary flbrosis, and the like; urinary system which induce such urinary disorders as urinary incontinence, lower urinary tract symptoms (LUTS), etc.; and gastrointestinal system such as irritable bowel syndrome, obesity, diabetes and gastrointestinal hyperkinesis with compounds as described above, wherein the disease or disorder is associated with muscarinic receptors.
- a disease or disorder of the respiratory system such as bronchial asthma, chronic obstructive pulmonary disorders (COPD), pulmonary flbrosis, and the like
- urinary system which induce such urinary disorders as urinary incontinence, lower urinary tract symptoms (LUTS), etc.
- gastrointestinal system such as irritable bowel syndrome, obesity, diabetes and gastrointestinal hyperkinesis with compounds as described above, wherein the disease or disorder is associated with muscar
- the compounds described herein exhibit significant potency hi terms of their activity, as determined by in vitro receptor binding and functional assays and in vivo experiments using anaesthetized rabbits.
- the compounds that were found active in vitro were tested in vivo.
- Some ofthe compounds are potent muscarinic receptor antagonists with high affinity towards M 3 receptors. Therefore, pharmaceutical compositions for the possible treatment for the disease or disorders associated with muscarinic receptors are provided.
- the compounds can be administered orally or parenterally.
- the compounds of Formula V may be prepared, for example, by the reaction sequence as shown in Scheme I.
- the preparation comprises reacting a compound of Formula II with a compound of Formula JJI, wherein
- Ri and R 2 are independently selected from C ⁇ -C 6 alkyl, C 3 -C 7 cycloalkyl or optionally substituted phenyl wherein optional substituent(s) is/are selected from C ⁇ -C 3 alkyl, C ⁇ -C 3 alkoxy or halogen;
- R 3 represents hydrogen or C ⁇ -C 3 alkyl
- P is any protecting group for an amino group, for example, benzyl or t-butyloxy carbonyl groups.
- the reaction between a compound of Formula II and a compound of Formula III can take place in the presence of N-methylmorpholine and 1-hydroxybenzotriazole and a condensing agent (for example, l-(3-dimethylaminopropyl)-3-ethyl carbodiimide ) hydrochloride (EDC), 1,3-dicyclohexylcarbodiimide (DCC) or 1,8-diazabicyclo [5.4.0]undec-7-ene (DBU)), in a solvent (such as N,N-dimethylformamide, dimethylsulfoxide, toluene, xylene or chloroform, at temperatures ranging from about 0 to about 140°C), to give a protected compound of Formula IV which on deprotection in the presence of a deprotecting agent (for example, palladium on carbon and hydrogen, am
- the compounds of Formula V ⁇ l may be prepared, for example, by the reaction sequence as shown in Scheme II.
- the preparation comprises reacting a compound of Formula II with a compound of Formula VI, wherein
- Ri and R are independently selected from C ⁇ -C 6 alkyl, C 3 -C 7 cycloalkyl or optionally substituted phenyl wherein optional substituent(s) is/are selected from C ⁇ -C 3 alkyl, C ⁇ -C 3 alkoxy or halogen; ⁇
- R' is any protecting group for hydroxy group, for example, p-toluene sulfonyl or methane sulfonyl and
- P is any protecting group for an amino group, for example, benzyl or t-butyloxy carbonyl groups.
- reaction between a compound of Formula II and a compound of Formula VI can take place in the presence of a condensing agent (for example, 1,8- diazabicyclo[5.4.0]undecan-7-ene (DBU) or l,4-diazabicyclo[2.2.2]octane (DABCO), in a O 2004/089900
- a condensing agent for example, 1,8- diazabicyclo[5.4.0]undecan-7-ene (DBU) or l,4-diazabicyclo[2.2.2]octane (DABCO)
- reaction temperature and duration may be adjusted according to the desired needs.
- Suitable salts ofthe compounds represented by the Formula I were prepared so as to solubilize the compound in aqueous medium for biological evaluations, as well as to " be compatible with various dosage formulations and also to aid in the bioavailability ofthe compounds.
- examples of such salts include pharmacologically acceptable salts such as inorganic acid salts (for example, hydrochloride, hydrobromide, sulphate, nitrate and phosphate), organic acid salts (for example, acetate, tartarate, citrate, fumarate, maleate, tolounesulphonate and methanesulphonate).
- carboxyl groups When carboxyl groups are included in the Formula I as substituents, they may be present in the form of an alkaline or alkali metal salt (for example, sodium, potassium, calcium, magnesium, and the like). These salts may be prepared by various techniques, such as treating the compound with an equivalent amount of inorganic or organic, acid or base in a suitable solvent.
- alkaline or alkali metal salt for example, sodium, potassium, calcium, magnesium, and the like.
- the compounds described herein may be administered to an animal for treatment orally, or by a parenteral route.
- the pharmaceutical compositions described herein can be produced and administered in dosage units, each unit containing a certain amount of at least one compound described herein and/or at least one physiologically acceptable addition salt thereof.
- the dosage may be varied over extremely wide limits as the compounds are effective at low dosage levels and relatively free of toxicity.
- the compounds may be administered in the low >. micromolar concentration, which is therapeutically effective, and the dosage may be increased as desired up to the maximum dosage tolerated by the patient.
- the compounds described herein can be produced and formulated as their enantiomers, diastereomers, N-Oxides, polymorphs, solvates and pharmaceutically acceptable salts, as well as metabolites having the same type of activity.
- Pharmaceutical compositions comprising the molecules of Formula I or metabolites, enantiomers, diastereomers, N-oxides, polymorphs, solvates or pharmaceutically acceptable salts thereof, in combination with pharmaceutically acceptable' carrier and optionally included excipient can also be produced.
- Step a Synthesis of methane sulfonic acid 3-bensyl-3-a2abicyclo[3.1.0]hex-6-yl- methyl ester
- 3-benzyl-3-azabicyclo[3.1.0]hex-6-yl) methanol prepared following Synlett, 1996; 1097) (5.2g, 25.6 mmole) in dichloromethane at 0°C triethylamine (10.6 mL, 76.8 mmole) and methane sulphonyl chloride (4 mL, 51.2 mmole) was added. It was gradually warmed to an ambient temperature and stirred for overnight.
- Step c Synthesis of N-[(l ⁇ 5 5 , 6 )-3-benzyl-3-azabicyclo[3.1.0]hex-6-yl-methyl]-2- phenyl-2-hydroxy-2-(N-methyl) phenylacetamide
- the compound exhibited a melting point of 101-103 °C.
- Step a Synthesis of (3-benzyl-3-azabicyclo[3.1.0]hex-6-yl-methyl) amine ⁇ This compound was synthesized following the procedure described in EP 0413
- Step b Synthesis of N-[(l ⁇ , 5 ⁇ , 6 ⁇ )-3-benzyl-3-azabicyclo[3.1.0]hex-6-yl ⁇ methyl]-2- isopropyl-2-hydroxy-2-phenylacetamide
- Step c Synthesis of (2R, 2 ⁇ )-N-[(l ⁇ , 5 ⁇ 5 6 ) ⁇ 3-asabicyclo[3.1.0]hex-6-yl-methyl]-2- isopropyl-2-hydroxy-2-phenylacetamide
- N-[(l ⁇ , 5 ⁇ , 6 ⁇ )-3-benzyl-3-azabicyclo[3.1.0]hex-6-yl-methyl]-2- isopropyl-2-hydroxy-2-phenylacetamide 1.3g, 30.5mmole
- Step a Synthesis of [(l ⁇ , 5 , 6 ⁇ )-3-benzyl-3-azabicyclo[3.1.0]hex-6-yl-methyl]-2- cyclopentyl-2-hydroxy-2-phenylacetic acid ester
- Step b Synthesis of [(l , 5 s 6 ⁇ )-3-agabicyclo[3.1.0]hex-6-yl-methyl]-2-cyclopentyl- 2-hydroxy-2-pheny ⁇ acetic acid ester
- 5% palladium on carbon (0.2 g) was added under nitrogen.
- anhydrous ammonium formate 0.8 g, 12.38 mmole
- the assay conditions were modified as follows: the assay volume was 250 ⁇ L; the incubation time was 3 hours; the PE concentration was 0.1%; the filtermat used was GF/B from Wallac; the scintillant used was Supermix from Wallac; the amount of scintillant was 500 ⁇ L/well; and the counter used was a 1450 microbeta PLUS, from Wallac.
- Membrane preparation Submandibular glands and heart were isolated and placed in ice cold homogenising buffer (HEPES 20mM, lOmM EDTA, pH 7.4) immediately after sacrifice.
- the tissues were homogenised in 10 volumes of homogenising buffer and the homogenate was filtered through two layers of wet gauze and filtrate was centrifuged at 500g for lOmin. The supernatant was subsequently centrifuged at 40,000g for 20 min. The pellet thus obtained was resuspended in same volume of assay buffer (HEPES 20 mM, EDTA 5mM, pH 7.4) and were stored at -70°C until the time of assay.
- assay buffer HPES 20 mM, EDTA 5mM, pH 7.4
- Ligand binding assay The compounds were dissolved and diluted in DMSO. The membrane homogenates (150-250 ⁇ g protein) were incubated in 250 ⁇ l of assay buffer
- Kj IC 50 /(1+L/K d ), where L is the concentration of [ 3 H]NMS used in the particular experiment.
- pKj -[log K;].
- the Ki results ofthe compounds observed were iri the range of 0.05 nM to 136 nM for M receptor and 0.06 nM to 34.6 nM for M 2 receptor.
- the bladder is cut into longitudinal strips (3mm wide and 5-6 mm long) and mounted in 10 ml organ baths at 30° C, with one end connected to the base ofthe tissue holder and the other end comiected to a polygraph through a force displacement transducer.
- Each tissue is maintained at a constant basal tension of 2 g and allowed to equilibrate for 1 hour during which the PSS is changed every 15 min.
- the stabilization ofthe tissue contractile response is assessed with l ⁇ mol/L of Carbachol consecutively, 2-3 times. Subsequently a cumulative concentration response curve to carbachol (10 "9 mol/L to 3 X 10 "5 mol/L) is obtained. After several washes, once the baseline is achieved, cumulative concentration response curve is obtained in presence of NCE (NCE added 20 min. prior to the second CRC).
- the contractile results are expressed as % of control E max.
- ED 50 values are calculated by fitting a non-linear regression curve (Graph Pad Prism).
- the bladder was exposed through a midline laparotomy and both the ureters were identified, carefully separated and ligated.
- the ureters were incised proximally to allow free flow of urine from the kidney to the exterior.
- Bladder neck was gently held and the urethra was traced and separated from the adjoining tissues.
- PE canula was introduced into the bladder and ligated.
- the bladder was drained and subsequently filled with 15ml of warm saline (37°C).
- the other end ofthe intravesical catheter was connected to the Grass model 7D polygraph through a Statham P10 EZ pressure transducer to monitor the bladder pressure. Care was taken to keep the exposed area moist and warm. A period of 30-60 min was allowed for stabilization of parameters subsequent to surgery.
- the change in bladder pressure, salivation and agonist induced bradycardia were expressed as % change from pretreatment control.
- ID 50 values dose required to inhibit 50% of response
- the ID50 values for bladder pressure for compounds tested ranged from about 1.89 to about 4.2 ⁇ g/kg.
- ID 5 o values for salivation for compounds tested ranged from about 3.7 to ' about 30.4 ⁇ g/kg.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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US10/552,503 US20070021487A1 (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
NZ542952A NZ542952A (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
BRPI0409302-0A BRPI0409302A (en) | 2003-04-11 | 2004-01-06 | azabicyclic derivatives as muscarinic receptor antagonists, method for their preparation and pharmaceutical composition containing them |
EA200501593A EA009387B1 (en) | 2003-04-11 | 2004-01-06 | Azabicycloderivatives as muscarinic receptor antagonists |
CA002522071A CA2522071A1 (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
JP2006506251A JP2006522787A (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
AU2004228452A AU2004228452A1 (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
EP04700287A EP1626957A1 (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
Applications Claiming Priority (2)
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PCT/IB2003/001367 WO2004005252A1 (en) | 2002-07-08 | 2003-04-11 | Azabicyclo derivatives as muscarinic receptor antagonists |
IBPCT/IB03/01367 | 2003-04-11 |
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WO2004089900A1 true WO2004089900A1 (en) | 2004-10-21 |
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PCT/IB2004/000008 WO2004089900A1 (en) | 2003-04-11 | 2004-01-06 | Azabicyclo derivatives as muscarinic receptor antagonists |
PCT/IB2004/000012 WO2004089364A1 (en) | 2002-07-08 | 2004-01-07 | Azabicyclo derivatives as muscarinic receptor antagonists |
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PCT/IB2004/000012 WO2004089364A1 (en) | 2002-07-08 | 2004-01-07 | Azabicyclo derivatives as muscarinic receptor antagonists |
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US (2) | US20070021487A1 (en) |
EP (2) | EP1626957A1 (en) |
JP (2) | JP2006522787A (en) |
CN (2) | CN100436414C (en) |
AU (2) | AU2004228452A1 (en) |
BR (2) | BRPI0409302A (en) |
CA (2) | CA2522071A1 (en) |
EA (1) | EA009387B1 (en) |
NZ (2) | NZ542952A (en) |
WO (2) | WO2004089900A1 (en) |
Cited By (9)
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WO2006064304A1 (en) * | 2004-12-15 | 2006-06-22 | Ranbaxy Laboratories Limited | Acid addition salts of muscarinic receptor antagonists |
WO2007039884A1 (en) | 2005-10-05 | 2007-04-12 | Ranbaxy Laboratories Limited | 3 -azabicyclooctane derivatives as muscarinic receptor antagonists |
WO2007077510A2 (en) | 2005-12-30 | 2007-07-12 | Ranbaxy Laboratories Limited | Muscarinic receptor antagonists |
WO2007110782A1 (en) | 2005-12-30 | 2007-10-04 | Ranbaxy Laboratories Limited | Muscarinic receptor antagonists |
US7399779B2 (en) | 2002-07-08 | 2008-07-15 | Ranbaxy Laboratories Limited | 3,6-disubstituted azabicyclo [3.1.0] hexane derivatives useful as muscarinic receptor antagonists |
US7446123B2 (en) | 2003-04-11 | 2008-11-04 | Ranbaxy Laboratories Limited | Azabicyclo derivatives as muscarinic receptor antagonists |
US7517905B2 (en) | 2003-04-09 | 2009-04-14 | Ranbaxy Laboratories Limited | Substituted azabicyclo hexane derivatives as muscarinic receptor antagonists |
EP2130830A1 (en) | 2008-06-03 | 2009-12-09 | Ranbaxy Laboratories Limited | Muscarinic receptor antagonists |
JP2011157358A (en) * | 2003-10-14 | 2011-08-18 | Pfizer Products Inc | Bicyclic [3.1.0] derivative as glycine transporter inhibitor |
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US7488748B2 (en) * | 2003-01-28 | 2009-02-10 | Ranbaxy Laboratories Limited | 3,6-Disubstituted azabicyclo hexane derivatives as muscarinic receptor antagonists |
EP1888525A1 (en) * | 2005-05-03 | 2008-02-20 | Ranbaxy Laboratories Limited | 3,6-disubstituted azabicyclo [3.1.0]hexane derivatives as muscarinic receptor antagonists |
US20090012116A1 (en) * | 2005-07-11 | 2009-01-08 | Naresh Kumar | Muscarinic Receptor Antagonists |
US20090221664A1 (en) * | 2005-10-19 | 2009-09-03 | Abhijit Ray | Pharmaceutical compositions of muscarinic receptor antagonists |
WO2008029349A2 (en) * | 2006-09-04 | 2008-03-13 | Ranbaxy Laboratories Limited | Muscarinic receptor antagonists |
WO2012042539A2 (en) | 2010-09-28 | 2012-04-05 | Panacea Biotec Ltd | Novel bicyclic compounds |
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- 2004-01-06 US US10/552,503 patent/US20070021487A1/en not_active Abandoned
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- 2004-01-06 BR BRPI0409302-0A patent/BRPI0409302A/en not_active IP Right Cessation
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Also Published As
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JP2006522788A (en) | 2006-10-05 |
BRPI0409308A (en) | 2006-05-02 |
WO2004089364A1 (en) | 2004-10-21 |
EA009387B1 (en) | 2007-12-28 |
NZ542952A (en) | 2008-11-28 |
JP2006522787A (en) | 2006-10-05 |
US20070021487A1 (en) | 2007-01-25 |
CA2522071A1 (en) | 2004-10-21 |
AU2004228452A2 (en) | 2004-10-21 |
US20060287380A1 (en) | 2006-12-21 |
AU2004228452A1 (en) | 2004-10-21 |
EA200501593A1 (en) | 2006-06-30 |
EP1626957A1 (en) | 2006-02-22 |
US7446123B2 (en) | 2008-11-04 |
CN1794985A (en) | 2006-06-28 |
BRPI0409302A (en) | 2006-04-11 |
EP1620087A1 (en) | 2006-02-01 |
CN1795176A (en) | 2006-06-28 |
CN100436414C (en) | 2008-11-26 |
CA2521989A1 (en) | 2004-10-21 |
NZ542951A (en) | 2008-11-28 |
AU2004228760A1 (en) | 2004-10-21 |
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