WO2005032488A2 - 2,4-dioxo-3-quinazolinylaryl sulfonylureas - Google Patents
2,4-dioxo-3-quinazolinylaryl sulfonylureas Download PDFInfo
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- WO2005032488A2 WO2005032488A2 PCT/US2004/032921 US2004032921W WO2005032488A2 WO 2005032488 A2 WO2005032488 A2 WO 2005032488A2 US 2004032921 W US2004032921 W US 2004032921W WO 2005032488 A2 WO2005032488 A2 WO 2005032488A2
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- 0 C*N(C*[Al]C)c(cc1NC(N2c(cc3)ccc3NC(NS(c3ccc[s]3)(=O)=O)=O)=O)ccc1C2=O Chemical compound C*N(C*[Al]C)c(cc1NC(N2c(cc3)ccc3NC(NS(c3ccc[s]3)(=O)=O)=O)=O)ccc1C2=O 0.000 description 4
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P41/00—Drugs used in surgical methods, e.g. surgery adjuvants for preventing adhesion or for vitreum substitution
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
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- 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
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- 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
- A61P9/14—Vasoprotectives; Antihaemorrhoidals; Drugs for varicose therapy; Capillary stabilisers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
Definitions
- Thrombotic complications are a major cause of death in the industrialized world. Examples of these complications include acute myocardial infarction, unstable angina, chronic stable angina, transient ischemic attacks, strokes, peripheral vascular disease, preeclampsia/eclampsia, deep venous thrombosis, embolism, disseminated intravascular coagulation and thrombotic cytopenic purpura. Thrombotic and restenotic complications also occur following invasive procedures, e.g., angioplasty, carotid endarterectomy, post CABG (coronary artery bypass graft) surgery, vascular graft surgery, stent placements and insertion of endo vascular devices and protheses.
- CABG coronary artery bypass graft
- Platelet aggregates play a critical role in these events. Blood platelets, which normally circulate freely in the vasculature, become activated and aggregate to form a thrombus with disturbed blood flow caused by ruptured atherosclerotic lesions or by invasive treatments such as angioplasty, resulting in vascular occlusion. Platelet activation can be initiated by a variety of agents, e.g., exposed subendothelial matrix molecules such as collagen, or by thrombin which is formed in the coagulation cascade.
- agents e.g., exposed subendothelial matrix molecules such as collagen, or by thrombin which is formed in the coagulation cascade.
- ADP adenosine 5'- diphosphate
- ATP adenosine 5'-triphosphate
- platelet ADP receptors are members of the family of P2 receptors activated by purine and/or pyrimidine nucleotides (King, B.F., Townsend-Nicholson, A. & Burnstock, G. (1998) Trends Pharmacol. Sci. 19:506-514).
- P2Y 12 Molecular cloning of the gene or cDNA for this receptor (P2Y 12 ) has recently been reported (Hollopeter, G. et. al. (2001) Nature 409:202-207). Based on its pharmacological and signaling properties this receptor has been previously termed P2Y ADP (Fredholm, B.B. et al. (1997) TIPS 18:79-82), P2T AC (Kunapuli, S.P. (1998), Trends Pharmacol Sci. 19:391- 394) or P2Ycyc (Hechler, B. et al. (1998) Blood 92, 152-159).
- ADP receptor antagonists which inhibit ADP-dependent platelet aggregation and are effective in animal thrombosis models (Humphries et al. (1995), Trends Pharmacol. Sci. 16, 179; Ingall, A.H. et al. (1999) J. Med. Chem. 42, 213-230). Novel triazolo[4,5-d] ⁇ yrimidine compounds have been disclosed as P 2 ⁇ - antagonists (WO 99/05144). Tricyclic compounds as platelet ADP receptor inhibitors have also been disclosed in WO 99/36425. The target of these antithrombotic compounds appears to be the platelet ADP receptor mediating inhibition of adenylyl cyclase.
- the present invention provides compounds having the formula:
- R represents H or C 1-6 alkyl
- R 1 represents a member selected from H, C 1-6 alkyl, C 1-6 haloalkyl, C 3-5 cycloalkyl and C 3-5 cycloalkyl-alkyl
- R 2 represents a member selected from H, halogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 1-6 alkoxy, cyano and -C(O)R 2a , wherein R 2a is selected from C 1-6 alkoxy and (C 1-6 alkyl) 0-2 amino.
- the letter L represents a 1 to 3 carbon linking group selected from -CH 2 -, -CH(CH 3 )-, -CH 2 CH 2 -, -CH 2 CH(CH 3 )- and -CH 2 CH 2 CH 2 -.
- the symbol L 1 represents a bond or -CH 2 - .
- the symbol L 2 represents a bond, -NH- or -CH 2 - .
- the subscript t is an integer of from 0 to 1 when L 2 is a bond, and is 1 when L 2 is -NH- or -CH 2 - .
- Ar 1 is an aromatic ring selected from benzene, pyridine and pyrimidine, each of which is optionally substituted with from 1-2 R 3 substituents, wherein each R 3 is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C -6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C 1-6 haloalkoxy, C 3-5 cycloalkyl, C 3-5 cycloalkyl-alkyl, C 3-5 cycloalkyl-alkoxy, (C 1-6 alkyl) 0 , 2 amino, -C(O)R 3a , -O(CH 2 ) m OR 3b , -(CH 2 ) m OR 3 , -O(CH 2 ) m N(R 3b ) 2 and -(CH 2 ) m N(R 3b ) 2 , wherein the subscript m is an
- Ar 2 is a 5-6 membered monocyclic or 9-10 membered fused-bicyclic aromatic ring system, optionally having from 1 to 3 heteroatoms selected from N, O and S as ring vertices, the ring system being optionally substituted with from 1 to 3 R 4 substituents, wherein each of the R 4 substituents is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C 1-6 haloalkoxy, C 3-5 cycloalkyl, C 3 , 5 cycloalkyl-alkyl, C - cycloalkyl-alkoxy, (C 1-6 alkyl) 0-2 amino and -C(O)R 4a , and each R 4a is independently selected from H, hydroxy, C 1-6 alkyl, C 1-6 alkoxy and (C 1- alkyl)
- the present invention further provides pharmaceutical compositions containing one or more of the above compounds in admixture with a pharmaceutically acceptable excipient.
- the present invention provides methods of treating thrombosis and thrombosis related conditions or disorders wherein a compound having the formula above is administered to a patient in need of such treatment.
- Figures 1-3 provide structures of selected and preferred compounds of the invention.
- alkyl by itself or as part of another substituent, means, unless otherwise stated, a straight or branched chain hydrocarbon radical, having the number of carbon atoms designated (i.e. -s means one to eight carbons).
- alkyl groups include methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, isobutyl, sec-butyl, n-pentyl, n-hexyl, n-heptyl, n- octyl, and the like.
- alkenyl refers to an unsaturated alkyl group is one having one or more double bonds.
- alkynyl refers to an unsaturated alkyl group having one or more triple bonds.
- unsaturated alkyl groups include vinyl, 2- propenyl, crotyl, 2-isopentenyl, 2-(butadienyl), 2,4-pentadienyl, 3-(l,4-pentadienyl), ethynyl, 1- and 3- ⁇ ropynyl, 3-butynyl, and the higher homologs and isomers.
- cycloalkyl refers to hydrocarbon rings having the indicated number of ring atoms (e.g., C 3-6 cycloalkyl) and being fully saturated or having no more than one double bond between ring vertices.
- cycloalkyl is used in combination with “alkyl", as in C -5 cycloalkyl-alkyl, the cycloalkyl portion is meant to have from three to five carbon atoms, while the alkyl portion is an alkylene moiety having from one to three carbon atoms (e.g., -CH 2 -, -CH 2 CH 2 - or -CH 2 CH 2 CH 2 -).
- alkoxy alkylamino and “alkylthio” (or thioalkoxy) are used in their conventional sense, and refer to those alkyl groups attached to the remainder of the molecule via an oxygen atom, an amino group, or a sulfur atom, respectively.
- Cr. 6 alkylamino is meant to include straight chain, branched or cyclic alkyl groups or combinations thereof, such as methyl, ethyl, 2-methylpropyl, cyclobutyl and cyclopropylmethyl.
- halo or halogen
- substituents mean, unless otherwise stated, a fluorine, chlorine, bromine, or iodine atom.
- terms such as “haloalkyl,” are meant to include monohaloalkyl and polyhaloalkyl.
- C t ⁇ haloalkyl is mean to include triiluoromethyl, 2,2,2-trif ⁇ uoroethyl, 4- chlorobutyl, 3-bromopropyl, and the like.
- aryl means, unless otherwise stated, a polyunsaturated, typically aromatic, hydrocarbon group which can be a single ring or multiple rings (up to three rings) which are fused together or linked covalently.
- exemplary aryl groups are phenyl, naphthyl, biphenyl and the like.
- heteroaryl refers to aryl groups (or rings) that contain from one to five heteroatoms selected from N, O, and S, wherein the nitrogen and sulfur atoms are optionally oxidized, and the nitrogen atom(s) are optionally quaternized.
- a heteroaryl group can be attached to the remainder of the molecule through a heteroatom.
- heteroaryl groups include 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 1- ⁇ yrazolyl, 3- pyrazolyl, 2-imidazolyl, 4-imidazolyl, pyrazinyl, 2-oxazolyl, 4-oxazolyl, 5-oxazolyl, 3- isoxazolyl, 4-isoxazolyl, 5-isoxazolyl, 2-thiazolyl, 4rthiazolyl, 5-thiazolyl, 2-furyl, 3-furyl, 2- thienyl, 3-thienyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidyl, 4-pyrimidyl, 5-benzothiazolyl, purinyl, 2-benzimidazolyl, benzopyrazolyl, 5-indolyl, 1-isoquinolyl, 5-isoquinolyl, 2- quinoxalinyl, 5-quinoxalinyl, 3-quinolyl
- heteroatom is meant to include oxygen (O), nitrogen (N), sulfur (S) and silicon (Si).
- salts are meant to include salts of the active compounds which are prepared with relatively nontoxic acids or bases, depending on the particular substituents found on the compounds described herein.
- base addition salts can be obtained by contacting the neutral form of such compounds with a sufficient amount of the desired base, either neat or in a suitable inert solvent.
- pharmaceutically acceptable base addition salts include sodium, potassium, calcium, ammonium, organic amino, or magnesium salt, or a similar salt.
- acid addition salts can be obtained by contacting the neutral form of such compounds with a sufficient amount of the desired acid, either neat or in a suitable inert solvent.
- Examples of pharmaceutically acceptable acid addition salts include those derived from inorganic acids like hydrochloric, hydrobromic, nitric, carbonic, monohydrogencarbonic, phosphoric, monohydrogenphosphoric, dihydrogenphosphoric, sulfuric, monohydrogensulfuric, hydriodic, or phosphorous acids and the like, as well as the salts derived from relatively nontoxic organic acids like acetic, propionic, isobutyric, malonic, benzoic, succinic, suberic, fumaric, mandelic, phthalic, benzenesulfonic, p- tolylsulfonic, citric, tartaric, methanesulfonic, and the like.
- salts of amino acids such as arginate and the like, and salts of organic acids like glucuronic or galactunoric acids and the like (see, for example, Berge, S.M., et al, "Pharmaceutical Salts", Journal of Pharmaceutical Science. 1977, 66, 1-19).
- Certain specific compounds of the present invention contain both basic and acidic functionalities that allow the compounds to be converted into either base or acid addition salts.
- the neutral forms of the compounds may be regenerated by contacting the salt with a base or acid and isolating the parent compound in the conventional manner.
- the parent form of the compound differs from the various salt forms in certain physical properties, such as solubility in polar solvents, but otherwise the salts are equivalent to the parent form of the compound for the purposes of the present invention.
- the present invention provides compounds which are in a prodrug form.
- Prodrugs of the compounds described herein are those compounds that readily undergo chemical changes under physiological conditions to provide the compounds of the present invention. Additionally, prodrugs can be converted to the compounds of the present invention by chemical or biochemical methods in an ex vivo environment. For example, prodrugs can be slowly converted to the compounds of the present invention when placed in a transdermal patch reservoir with a suitable enzyme or chemical reagent.
- Certain compounds of the present invention can exist in unsolvated forms as well as solvated forms, including hydrated forms. In general, the solvated forms are equivalent to unsolvated forms and are intended to be encompassed within the scope of the present invention. Certain compounds of the present invention may exist in multiple crystalline or amorphous forms. In general, all physical forms are equivalent for the uses contemplated by the present invention and are intended to be within the scope of the present invention.
- Certain compounds of the present invention possess asymmetric carbon atoms (optical centers) or double bonds; the racemates, diastereomers, geometric isomers and individual isomers (e.g., separate enantiomers) are all intended to be encompassed within the scope of the present invention.
- the compounds of the present invention may also contain unnatural proportions of atomic isotopes at one or more of the atoms that constitute such compounds.
- the compounds may be radiolabeled with radioactive isotopes, such as for example tritium ( 3 H), iodine-125 ( 125 I) or carbon-14 ( 14 C). All isotopic variations of the compounds of the present invention, whether radioactive or not, are intended to be encompassed within the scope of the present invention.
- Description of the Embodiments Compounds [0028] In view of the above, the present invention provides, in one aspect, compounds having the formula:
- R represents H or C 1-6 alkyl, preferably H or CH 3 , and more preferably H.
- R 1 represents a member selected from H, C 1-6 alkyl, C 1-6 haloalkyl, C 3-5 cycloalkyl and C 3- cycloalkyl-alkyl, more preferably H or C 1- alkyl, still more preferably H or CH 3 , and most preferably H.
- R 2 represents a member selected from H, halogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 1-6 alkoxy, cyano and -C(O)R 2a , wherein R 2a is selected from C 1-6 alkoxy and (C 1-6 alkyl) 0-2 amino. More preferably R 2 is selected from halogen, C 1-4 alkyl, ⁇ alkoxy, C 1-4 haloalkyl, -CN, -C ⁇ CH and -CONH 2 . Still more preferably, R 2 is halogen and is attached to the 5- position of the thienyl ring.
- the letter L represents a 1 to 3 carbon linking group selected from -CH 2 -,
- L is selected from -CH 2 -, -CH(CH 3 )- and -CH 2 CH 2 -. More preferably, L is selected from -CH 2 - and
- L 1 represents a bond or -CH 2 - , preferably a bond.
- L 2 represents a bond, -NH- or -CH 2 - , preferably a bond or -NH-. In further preferred embodiments, L 2 is -NH-.
- the subscript t is an integer of from 0 to 1 when L 2 is a bond, and is 1 when L 2 is -NH- or -CH 2 - .
- Ar 1 is an aromatic ring selected from benzene, pyridine and pyrimidine, each of which is optionally substituted with from 1-2 R 3 substituents, wherein each R 3 is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C ⁇ -6 haloalkoxy, C 3-5 cycloalkyl, C 3-5 cycloalkyl-alkyl, C 3-5 cycloalkyl-alkoxy, (C 1-6 alkyl) 0-2 amino, -C(O)R 3a , -O(CH 2 ) m OR 3 , -(CH 2 ) m OR 3b , -O(CH 2 ) m N(R ) 2 and -(CH 2 ) m N(R ) 2 , wherein the subscript m is an integer of from 1 to
- each R 3 is independently selected from C 1-4 alkyl, C 1-4 alkoxy, C 3-5 cycloalkyl-alkoxy, -O(CH 2 ) m OR 3 and -O(CH 2 ) m N(R 3 ) 2 wherein the subscript m is 1 or 2 and each R 3b is independently selected from H, C 1-4 alkyl and C 1-4 alkanoyl.
- Ar is a 5-6 membered monocyclic or 9-10 membered fused-bicyclic aromatic ring system, optionally having from 1 to 3 heteroatoms selected from N, O and S as ring vertices, the ring system being optionally substituted with from 1 to 3 R 4 substituents, wherein each of the R 4 substituents is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C 1-6 haloalkoxy, C 3-5 cycloalkyl, C -5 cycloalkyl-alkyl, C -5 cycloalkyl-alkoxy, (C 1-6 alkyl) 0-2 amino and -C(O)R 4a , and each R 4a is independently selected from H, hydroxy, C 1-6 alkyl, C 1-6 alkoxy and (C 1-6 alkyl) 0
- Ar 2 is benzene or naphthalene, each of which is optionally substituted with from 1 to 3 R 4 substituents.
- Ar 2 is furan, thiophene, thiazole, oxazole, thiadiazole, imidazole, pyrazole, pyridine or pyrimidine, each of which is optionally substituted with from 1 to 3, or more preferably 1 to 2 R 4 substituents.
- Ar 2 is benzothiophene, indole, quinoline, isoquinoline, benzofuran, benzimidazole, benzoxazole or benzothiazole, each of which is optionally substituted with from 1 to 3, or more preferably 1 to 2 R 4 substituents.
- the group Ar -L-N(R )- is preferably attached to the 6- or
- R 1 is H or C 1-4 alkyl
- L is -CH 2 -, -CH(CH 3 )- or -CH 2 CH 2 -
- L 1 is a bond and R 2 is halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1- haloalkyl, -CN, -C ⁇ CH or -CONH 2 .
- Ar 1 is a benzene ring, optionally substituted with 1-2 R 3 substituents.
- Ar 1 is a pyridine ring, optionally substituted with 1-2 R 3 substituents.
- Ar 1 is a pyrimidine ring, optionally substituted with 1-2 R 3 substituents.
- one group of further preferred compounds are those in which Ar 2 is benzene or naphthalene, each of which is optionally substituted with from 1 to 3 R 4 substituents.
- R 1 is H or C 1-4 alkyl
- L is -CH 2 -, -CH(CH 3 )- or -CH 2 CH 2 -
- L 1 is a bond
- R 2 is halogen, C 1- alkyl, C 1-4 alkoxy, C 1- haloalkyl, -CN, -C ⁇ CH or -CONH 2 .
- Ar 1 is a benzene ring, optionally substituted with 1-2 R 3 substituents and Ar 2 is furan, thiophene, thiazole, oxazole, thiadiazole, imidazole, pyrazole, pyridine, pyrimidine, benzothiophene, indole, quinoline, isoquinoline, benzofuran, benzimidazole, benzoxazole or benzothiazole, each of which is optionally substituted with from 1 to 3 R 4 substituents.
- Ar 2 is a monocyclic ring selected from furan, thiophene, thiazole, oxazole, thiadiazole, imidazole, pyrazole, pyridine and pyrimidine.
- Ar 2 is a fused bicyclic ring system selected from benzothiophene, indole, quinoline, isoquinoline, benzofuran, benzimidazole, benzoxazole and benzothiazole.
- attachment to the remainder of the compound can be through any available valence site on the ring or ring system.
- pyridine is meant to include 2-pyridyl, 3-pyridyl and 4-pyridyl moieties.
- attachment for one of the fused ring systems can be through either of the two rings.
- benzothiazole is meant to include 2-benzothiazolyl as well as 5-benzothiazolyl and the like. Preferred attachment sites are those provided in the Examples and Figures herein.
- R 1 is H or C 1-4 alkyl
- L is -CH 2 -, -CH(CH )- or -CH 2 CH 2 -
- L 1 is a bond
- R 2 is halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1- haloalkyl, -CN, -C ⁇ CH or -CONH 2 .
- R 1 is H or C 1-4 alkyl
- L is -CH 2 -, -CH(CH )- or -CH 2 CH 2 -
- L 1 is a bond
- R 2 is halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1- haloalkyl, -CN, -C ⁇ CH or -CONH 2 .
- R 1 , R 2 , R 3 and R 4 have the meanings provided with respect to formula I above. Further preferred for the compounds of formula la are those in which R 1 is H; R 2 is selected from halogen, C ⁇ alkyl, C 1- alkoxy, C 1-4 haloalkyl, -CN, -C ⁇ CH and -CONH 2 ; each R 3 , when present is independently selected from C 1-4 alkyl, C 1-4 alkoxy, C 3-5 cycloalkyl- alkoxy, -O(CH 2 ) m OR 3b and -O(CH 2 ) m N(R 3 ) 2 wherein the subscript m is 1 or 2 and each R 3 is independently selected from H, C 1-4 alkyl and C 1-4 alkanoyl; and each R 4 , when present is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl,
- Ar 2 is selected from furan, thiophene, thiazole, oxazole, thiadiazole, imidazole, pyrazole, pyridine and pyrimidine.
- Ar 2 is a fused bicyclic ring system selected from benzothiophene, indole, quinoline, isoquinoline, benzofuran, benzimidazole, benzoxazole and benzothiazole.
- each group of embodiments of formula lb are those in which R 1 is H; R 2 is selected from halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1-4 haloalkyl, -CN, -C ⁇ CH and -CONH 2 ; each R 3 , when present is independently selected from C 1-4 alkyl, C 1- alkoxy, C -5 cycloalkyl-alkoxy, -O(CH 2 ) m OR 3b and -O(CH 2 ) m N(R 3b ) 2 wherein the subscript m is 1 or 2 and each R 3b is independently selected from H, C 1- alkyl and C 1-4 alkanoyl; and each R 4 , when present is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C -5 cycloalkyl, C
- Ar 2 is selected from furan, thiophene, thiazole, oxazole, thiadiazole, imidazole, pyrazole, pyridine and pyrimidine.
- Ar 2 is a fused bicyclic ring system selected from benzothiophene, indole, quinoline, isoquinoline, benzofuran, benzimidazole, benzoxazole and benzothiazole.
- each group of embodiments of formula Ic are those in which R 1 is H; R 2 is selected from halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1-4 haloalkyl, -CN, -C ⁇ CH and -CONH 2 ; each R 3 , when present is independently selected from C 1-4 al yl, C 1-4 alkoxy, C -5 cycloalkyl-alkoxy, -O(CH 2 ) m OR 3b and -O(CH ) m N(R 3b ) wherein the subscript m is 1 or 2 and each R 3b is independently selected from H, C 1-4 alkyl and C 1-4 alkanoyl; and each R 4 , when present is independently selected from halogen, cyano, hydroxy, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 alkoxy, C 1-6 haloalkyl, C 3-5 cycloalkyl, C
- nl represents an integer of from 0 to 2
- R 1 is a member selected from C 1-6 alkyl, C 1-6 haloalkyl, C 3-5 cycloalkyl and C 3-5 cycloalkyl-alkyl.
- the remaining 9 " ⁇ groups R and R have the meanings provided with respect to formula I above.
- R 2 is selected from halogen, C 1-4 alkyl, C 1-4 alkoxy, C 1-4 haloalkyl, -CN, -C ⁇ CH and -CONH 2 ; and each R 3 , when present is independently selected from C 1-4 alkyl, C alkoxy, C 3-5 cycloalkyl-alkoxy, -O(CH 2 ) m OR 3b and -O(CH 2 ) m N(R 3 ) 2 wherein the subscript m is 1 or 2 and each R 3 is independently selected from the group consisting of H, C 1-4 alkyl and C 1-4 alkanoyl. Still further preferred are those compounds of formula Id wherein R is halogen and is attached to the 5-position of the thienyl ring.
- Scheme 1 illustrates a method of preparing certain compounds of Formula I wherein R 1 , R 2 , A ⁇ and Ar 2 are described above.
- a compound of Formula I can be prepared by reacting 4-tert-butoxycarbonylamino- 2-nitro-benzoic acid methyl ester, prepared by previously described methods (see published patent application US2002077486) and substituted arylalkyl halides in the presence of a base such as potassium carbonate, cesium carbonate or sodium hydride in a inert solvent such as DMF or THF to obtain a compound 2.
- a base such as potassium carbonate, cesium carbonate or sodium hydride
- a inert solvent such as DMF or THF
- the nitro group of compound 2 can be reduced by procedures known to one skilled in the art to yield aniline 3. For example, a method of nitro group reduction can be carried out by hydrogenation.
- urea 4 can be formed by treating compound 3 with triphosgene in the presence of a base such as triethylamine or diisopropylethylamine in an inert solvent such as THF, dichloromethane and MeCN at appropriate temperature, preferably at 20 C°, followed by substituted aryl or heteroaryl amines (Method B).
- a suitable catalyst e.g., 10% Pd/C or Pt(s)/C
- an appropriate solvent typically in an alcohol, preferably ethanol at room temperature.
- Urea 4 prepared by Method A or Method B typically without further purification can be subjected to thermal or based induced ring closure to provide quinazolindione 5.
- the nitro group of compound 5 can be reduced by procedures known to one skilled in the art to yield free amino group.
- a method of reduction can be carried out by hydrogenation, with a suitable catalyst (e.g., 10% palladium on carbon) in an appropriate solvent, typically an alcohol.
- sulfonylurea linkage can be accomplished by treating the reduced product aniline 6 with a pre-mixed solution of substituted thiophene-2-sulfonamide, N, N'-disuccinimidyl carbonate and tetramethylguanidine in dichloromethane, followed by treatment with TFA in dichloromethane at room temperature to afford the sulfonylurea of Formula I.
- the sulfonylurea linkage can be formed by reacting the aniline 6 and 5-Chloro-thiophene-2- sulfonamide ethylcarbonate in toluene.
- Scheme 2 illustrates an alternative method of preparing compounds of Formula I wherein R 1 , R 2 , Ar d Ar 2 are described above.
- a compound of Formula I can be prepared by reducing 4-tert- butoxycarbonylamino-2-nitro-benzoic acid methyl ester to aniline 9 by standard hydrogenation with 10% Pd/C in ethyl acetate. Treating compound 9 with appropriately substituted aryl or heteroaryl isocyante (Method A) provides intermediate urea 10.
- urea 10 can be formed by treating compound 9 with triphosgene in the presence of a base such as triethylamine or diisopropylethylamme in an inert solvent such as THF, dichloromethane and MeCN at appropriate temperature, preferably at 20 °C, followed by substituted aryl or heteroaryl amines (Method B).
- a base such as triethylamine or diisopropylethylamme
- an inert solvent such as THF, dichloromethane and MeCN
- substituted aryl or heteroaryl amines Method B
- Urea 10, prepared by Method A or Method B typically without further purification can be subjected to thermal or based induced ring closure to provide quinazolindione 11.
- the nitro group of compound 11 can be reduced by procedures known to one skilled in the art to yield free amino group.
- a method of reduction can be carried out by hydrogenation, with a suitable catalyst (e.g., 10% palladium on carbon) in an appropriate solvent, typically ethyl acetate, methanol, dimethylformamide or a mixture of them.
- a suitable catalyst e.g., 10% palladium on carbon
- the preparation of sulfonylurea 13 can be accomplished by treating aniline 12 with a pre-mixed solution of substituted thiophene-2- sulfonamide, N, N'-disuccinimidyl carbonate and teframethylguanidine in dichloromethane, followed by treatment with TFA in dichloromethane at room temperature to afford the sulfonylurea of Formula I.
- compound 13 can be prepared by reacting the aniline 6 and 5-chloro-thio ⁇ hene-2-sulfonamide ethylcarbonate in hot toluene, dioxane or acetonitrile. Treatment of compound 13 using a 1:1 mixture of dichloromethane and trifluoroacetic acid, or using the commercial 4N HCI solution in dioxane, in ice bath yields aniline 14. Reductive amination of aniline 14 with an aldehyde, sodium cyanoborohydride and acetic acid in methyl sulfoxide gives target compound 15.
- a compound of Formula I, wherein acylsulfonamide is the linker can be prepared by treating compound 3 with appropriately substituted aryl or heteroaryl isocyante (Scheme 3, Method A) to provide intermediate urea 16.
- urea 16 can be formed by treating compound 3 with triphosgene in the presence of a base such as triethylamine or diisopropylethylamme in an inert solvent such as THF, dichloromethane and MeCN at appropriate temperature, preferably at 20 °C, followed by substituted aryl or heteroaryl amines (Method B).
- Urea 16, prepared by Method A or Method B typically without further purification can be subjected to thermal or based induced ring closure to provide quinazolindione 17.
- the ester of compound 17 can be converted to the carboxylic acid by treatment with lithium hydroxide in an appropriate solvent or solvent mixture such as dioxane/water or THF/water.
- Conversion of the carboxylic acid to acyl sulfonamide 19 is accomplished by treatment with DIG, DMAP and a suitably substituted sulfonamide in either dichloromethane or DMF as the solvent.
- Treatment of the Boc protected analog with acid, either 50% TFA in dichloromethane or 4M HCI in dioxane affords the acylsulfonamide of Formula I.
- compositions are provided in which compounds of formulae I, la, lb, Ic or Id, alone or in combination, are combined with a pharmaceutically acceptable carrier.
- Preferred compounds for use in the compositions of the present invention are those compounds identified above as specific or preferred embodiments.
- compositions of the invention may be in the form of solutions or suspensions.
- the compounds or pha ⁇ naceutical compositions of the invention may also be in such forms as, for example, tablets, capsules or elixirs for oral administration, suppositories, sterile solutions or suspensions or injectable administration, and the like, or incorporated into shaped articles.
- Typical adjuvants which may be incorporated into tablets, capsules and the like include, but are not limited to, binders such as acacia, corn starch or gelatin, and excipients such as microcrystalline cellulose, disintegrating agents like corn starch or alginic acid, lubricants such as magnesium stearate, sweetening agents such as sucrose or lactose, or flavoring agents.
- binders such as acacia, corn starch or gelatin
- excipients such as microcrystalline cellulose
- disintegrating agents like corn starch or alginic acid
- lubricants such as magnesium stearate
- sweetening agents such as sucrose or lactose
- flavoring agents such as sucrose or lactose
- a dosage form is a capsule, in addition to the above materials it may also contain liquid carriers such as water, saline, or a fatty oil.
- Other materials of various types may be used as coatings or as modifiers of the physical form of the dosage unit.
- dissolution or suspension of the active compound in a vehicle such as an oil or a synthetic fatty vehicle like ethyl oleate, or into a liposome may be desired.
- a vehicle such as an oil or a synthetic fatty vehicle like ethyl oleate
- Buffers, preservatives, antioxidants and the like can be incorporated according to accepted pharmaceutical practice.
- dosage formulations of compounds of formulae I, la, lb, Ic or Id, or pharmaceutical compositions containing a compound of the invention, to be used for therapeutic administration must be sterile. Sterility can be readily accomplished by filtration through sterile membranes such as 0.2 micron membranes, or by other conventional methods. Formulations typically will be stored in a solid form, preferably in a lyophilized form.
- the dosage formulations of compounds of formulae I, la, lb, Ic or Id, or pharmaceutical compositions of the invention may also be administered by injection, intravenously (bolus and/or infusion), subcutaneously, intramuscularly, colonically, rectally, nasally, transdermally or intraperitoneally.
- a variety of dosage forms maybe employed as well including, but not limited to, suppositories, implanted pellets or small cylinders, aerosols, oral dosage formulations and topical formulations such as ointments, drops and dermal patches.
- the compounds of formulae I, la, lb, Ic or Id, and pharmaceutical compositions of the invention may also be incorporated into shapes and articles such as implants which may employ inert materials such biodegradable polymers or synthetic silicones as, for example, SILASTIC, silicone rubber or other polymers commercially available.
- the compounds and pharmaceutical compositions of the invention may also be provided in the form of liposome delivery systems, such as small unilamellar vesicles, large unilamellar vesicles and multilamellar vesicles.
- Liposomes can be formed from a variety of lipids, such as cholesterol, stearylamine or phosphatidylcholines, used methods well known to one of skill in the art.
- the present invention provides methods for preventing or treating thrombosis in a mammal by administering to the mammal a therapeutically effective amount of a compound of formulae I, la, lb, Ic or Id, alone or as part of a pharmaceutical composition of the invention as described above.
- Compounds of formulae I, la, lb, Ic or Id, and pharmaceutical compositions of the invention containing a compound of formulae I, la, lb, Ic or Id, of the invention are suitable for use alone or as part of a multi-component treatment regimen for the prevention or treatment of cardiovascular diseases, particularly those related to thrombosis.
- a compound or pharmaceutical composition of the invention may be used as a drug or therapeutic agent for any thrombosis, particularly a platelet-dependent thrombotic indication, including, but not limited to, acute myocardial infarction, unstable angina, chronic stable angina, transient ischemic attacks, strokes, peripheral vascular disease, preeclampsia/eclampsia, deep venous thrombosis, embolism, disseminated intravascular coagulation and thrombotic cytopenic purpura, thrombotic and restenotic complications following invasive procedures, e.g., angioplasty, carotid endarterectomy, post CABG (coronary artery bypass graft) surgery, vascular graft surgery, stent placements and insertion of endovascular devices and protheses.
- invasive procedures e.g., angioplasty, carotid endarterectomy, post CABG (coronary artery bypass graft) surgery, vascular graft surgery
- Compounds and pharmaceutical compositions of the invention may also be used as part of a multi-component treatment regimen in combination with other therapeutic or diagnostic agents in the prevention or treatment of thrombosis in a mammal, hi certain preferred embodiments, compounds or pharmaceutical compositions of the invention maybe coadministered along with other compounds typically prescribed for these conditions according to generally accepted medical practice such as anticoagulant agents, thrombolytic agents, or other antithrombotics, including platelet aggregation inhibitors, tissue plasminogen activators, urokinase, prourokinase, sfreptokinase, heparin, aspirin, or warfarin.
- agents that can be administered with the compounds of the present invention include antiplatelet compounds, fibrinolytics, anti-inflammatory compounds, cholesterol-lowering agents, blood-pressure-lowering agents and serotonin blockers.
- Suitable antiplatelet compounds include GPIIB-IIIa antagonists, aspirin, phosphodiesterase III inhibitors and thromboxane A2 receptor antagonists.
- Suitable anticoagulants include thrombin inhibitors, coumadin (Warfarin), heparin and Lovenox ® .
- Suitable anti-inflammatory compounds include non-steroidal anti-inflammatory agents, cyclooxygenase-2 inhibitors and rheumatoid arthritis agents.
- Coadministrations of these agents with the compounds of the invention may also allow for application of reduced doses of the thrombolytic agents and therefore minimize potential hemorrhagic side-effects.
- Compounds and pharmaceutical compositions of the invention may also act in a synergistic fashion to prevent reocclusion following a successful thrombolytic therapy and/or reduce the time to reperfusion.
- the compounds of the invention are useful for the prevention of a secondary ischemic event.
- compounds of the invention or their pharmaceutical compositions are administered to a patient who has suffered a primary ischemic event in an amount sufficient to prevent or reduce the likely occurrence of a secondary event.
- the primary and/or secondary ischemic event is selected from myocardial infraction, stable or unstable angina, acute reocclusion after percutaneous transluminal coronary angioplasty, restenosis, thrombotic stroke, transient ischemic attack, reversible ischemic neurological deficit and intermittent claudication.
- the compounds and pharmaceutical compositions of the invention may be utilized in vivo, ordinarily in mammals such as primates, (e.g., humans), sheep, horses, cattle, pigs, dogs, cats, rats and mice, or in vitro.
- mammals such as primates, (e.g., humans), sheep, horses, cattle, pigs, dogs, cats, rats and mice, or in vitro.
- the biological properties, as defined above, of a compound or a pharmaceutical composition of the invention can be readily characterized by methods that are well known in the art such as, for example, by in vivo studies to evaluate antithrombotic efficacy, and effects on hemostasis and hematological parameters.
- Subjects in need of freatment using the compounds or pharmaceutical compositions of the invention may be administered dosages that will provide optimal efficacy.
- the dose and method of administration will vary from subject to subject and be dependent upon such factors as the type of mammal being treated, its sex, weight, diet, concurrent medication, overall clinical condition, the particular compound of formulae I, la, lb, Ic or Id employed, the specific use for which the compound or pharmaceutical composition is employed, and other factors which those skilled in the medical arts will recognize.
- Therapeutically effective dosages may be determined by either in vitro or in vivo methods. For each particular compound or pharmaceutical composition of the invention, individual determinations may be made to determine the optimal dosage required.
- the range of therapeutically effective dosages will be influenced by the route of administration, the therapeutic objectives and the condition of the patient. For injection by hypodermic needle, it may be assumed the dosage is delivered into the bodily fluids. For other routes of administration, the absorption efficiency must be individually determined for each compound by methods well known in pharmacology. Accordingly, it may be necessary for the therapist to titer the dosage and modify the route of administration as required to obtain the optimal therapeutic effect.
- effective dosage levels that is, the dosage levels necessary to achieve the desired result, i.e., platelet ADP receptor inhibition
- applications of a compound or pharmaceutical composition of the invention are commenced at lower dosage levels, with dosage levels being increased until the desired effect is achieved.
- the compounds and compositions of the invention may be administered orally in an effective amount within the dosage range of about 0.01 to 1000 mg/kg in a regimen of single or several divided daily doses.
- a pharmaceutically acceptable carrier typically, about 5 to 500 mg of a compound of formulae I, la, lb, Ic or Id, is compounded with a pharmaceutically acceptable carrier as called for by accepted pharmaceutical practice including, but not limited to, a physiologically acceptable vehicle, carrier, excipient, binder, preservative, stabilizer, dye, flavor, etc.
- a pharmaceutically acceptable carrier as called for by accepted pharmaceutical practice including, but not limited to, a physiologically acceptable vehicle, carrier, excipient, binder, preservative, stabilizer, dye, flavor, etc.
- the amount of active ingredient in these compositions is such that a suitable dosage in the range indicated is obtained.
- the starting materials and reagents used in preparing these compounds generally are either available from commercial suppliers, such as Aldrich Chemical Co., or are prepared by methods known to those skilled in the art following procedures set forth in references such as Fieser andFieser's Reagents for Organic Synthesis; Wiley & Sons: New York, 1991, Volumes 1-15; Rodd's Chemistry of Carbon Compounds, Elsevier Science Publishers, 1989, Volumes 1-5 and Supplementals; and Organic Reactions, Wiley & Sons: New York, 1991, Volumes 1-40.
- the following synthetic reaction schemes are merely illustrative of some methods by which the compounds of the present invention can be synthesized, and various modifications to these synthetic reaction schemes can be made and will be suggested to one skilled in the art having referred to the disclosure contained in this Application.
- the starting materials and the intermediates of the synthetic reaction schemes can be isolated and purified if desired using conventional techniques, including but not limited to, filtration, distillation, crystallization, chromatography, and the like. Such materials can be characterized using conventional means, including physical constants and spectral data.
- the reactions described herein preferably are conducted under an inert atmosphere at atmospheric pressure at a reaction temperature range of from about -78 °C to about 150 °C, more preferably from about 0 °C to about 125 °C, and most preferably and conveniently at about room (or ambient) temperature, e.g., about 20 °C.
- a reaction temperature range of from about -78 °C to about 150 °C, more preferably from about 0 °C to about 125 °C, and most preferably and conveniently at about room (or ambient) temperature, e.g., about 20 °C.
- Example 1 2-Amino-4-(benzyl-tert-butoxycarb ⁇ nyl-amino)-benzoic acid methyl ester
- the reaction mixture was concentrated to dryness, then diluted with DMF and heated to 90°C for 4 hrs at which time it was cooled to rt, diluted with water which was then extrated twice with ethyl acetate and the combined organic layers then dried over magnesium sulfate. After concentration, the crude product was purified by silica gel chromatography. The resulting yellow solid was then reduced as described in Example 2 affording 10 mg of the desired aniline (10% yield, 2 steps). ES + MS showed 491 m/z, the correct mass for the product.
- Disuccinylcarbonate (290 mg, 1.13 mmol) was suspended in dichloromethane (5 mL) and then treated with a solution of 5-chloro-2-thiophenesulfonamide (210 mg, 1.05 mmol) and teframethylguanidine (0.22 mL, 1.74 mmol) in 5 mL dichloromethane during which time the reaction became homogeneous.
- the reaction mixture was stirred at rt overnight, then the solvent removed in vacuo and the residue suspended in acetonitrile and transferred to a flask containing the aniline from example 6 (440 mg, 0.87 mmol).
- Step l [0079] 3-methoxy-4-nitrobenzoic acid (2.00 g, 10.2 mmol) was added to a solution of methanol (10 mL) which had been treated with thionyl chloride (1.46 mL, 20.4 mmol) at 0°C. The mixture was stirred at room temperature overnight, then concentrated, diluted with aqueous sodium bicarbonate and extracted with dichloromethane affording the desired methyl ester in quantitative yield.
- Example 141 Pharmacological Assays The pharmacological activity of each of the compounds according to the invention is determined by the following in vitro assays:
- ADP-Mediated Platelet Aggregation in vitro The effect of testing the compound according to the invention on ADP -induced human platelet aggregation is preferably assessed in 96-well microtiter assay (see generally the procedures in Jantzen, H.M. et al. (1999) Thromb. Hemost. 81:111-117).
- Human venous blood is collected from healthy, drug-free volunteers into ACD (85 mM sodium citrate, 111 mM glucose, 71.4 mM citric acid) containing PGI 2 (1.25 ml ACD containing 1.6 ⁇ M PGI 2 /10 ml blood; PGI 2 was from Sigma, St. Louis, MO).
- Platelet-rich plasma is prepared by centrifugation at 160 x g for 20 minutes at room temperature. Washed platelets are prepared by centrifuging PRP for 10 minutes at 730 x g and resuspending the platelet pellet in CGS (13 mM sodium citrate, 30 mM glucose, 120 mM NaCl; 2 ml CGS/10 ml original blood volume) containing lU/ml apyrase (grade V, Sigma, St. Louis, MO).
- CGS 13 mM sodium citrate, 30 mM glucose, 120 mM NaCl; 2 ml CGS/10 ml original blood volume
- the platelets are collected by centrifugation at 730 x g for 10 minutes and resuspended at a concentration of 3x10 8 platelets/ml in Hepes-Tyrode's buffer (10 mM Hepes, 138 mM NaCl, 5.5 mM glucose, 2.9 mM KCl, 12 mM NaHCO 3 , pH 7.4) containing 0.1% bovine serum albumin, 1 mM CaCl 2 and 1 mM MgCl 2 .
- Hepes-Tyrode's buffer 10 mM Hepes, 138 mM NaCl, 5.5 mM glucose, 2.9 mM KCl, 12 mM NaHCO 3 , pH 7.4
- bovine serum albumin 1 mM CaCl 2
- 1 mM MgCl 2 1 mM MgCl 2
- Inhibition of ADP-dependent aggregation is preferably determined in 96-well flat- bottom microtiter plates using a microtiter plate shaker and plate reader similar to the procedure described by Frantantoni et al., Am. J. Clin. Pathol. 94, 613 (1990). All steps are performed at room temperature.
- the total reaction volume of 0.2 ml/well includes in Hepes- Tyrodes buffer/0.1% BSA: 4.5 x 10 7 apyrase- washed platelets, 0.5 mg/ml human fibrinogen (American Diagnostica, Inc., Greenwich, CT), serial dilutions of test compounds (buffer for control wells ) in 0.6% DMSO.
- ADP is added to a final concentration of 2 ⁇ M which induces submaximal aggregation.
- Buffer is added instead of ADP to one set of control wells (ADP " control).
- the OD of the samples is then determined at 490 nm using a microtiter plate reader (Softmax, Molecular Devices, Menlo Park, CA) resulting in the 0 minute reading.
- a second assay is used to determine whether such inhibition is mediated by interaction with platelet ADP receptors. Utilizing the second assay the potency of inhibition of such compounds with respect to [ H]2-MeS-ADP binding to whole platelets is determined.
- [ 3 H]2-MeS-ADP binding experiments are routinely performed with outdated human platelets collected by standard procedures at hospital blood banks. Apyrase-washed outdated platelets are prepared as follows (all steps at room temperature, if not indicated otherwise):
- Outdated platelet suspensions are diluted with 1 volume of CGS and platelets pelleted by centrifugation at 1900 x g for 45 minutes. Platelet pellets are resuspended at 3- 6x10 9 platelets /ml in CGS containing 1 U/ml apyrase (grade V, Sigma, St. Louis, MO) and incubated for 15 minutes at 37°C. After centrifugation at 730 x g for 20 minutes, pellets are resuspended in Hepes-Tyrode's buffer containing 0.1% BSA (Sigma, St. Louis, MO) at a concentration of 6.66xl0 8 platelets/ml. Binding experiments are performed after > 45 minutes resting of the platelets.
- binding experiments are performed with fresh human platelets prepared as described in I. (inhibition of ADP -Mediated Platelet Aggregation in vitro), except that platelets are resuspended in Hepes-Tyrode's buffer containing 0.1 % BSA (Sigma , St. Louis, MO) at a concentration of 6.66x10 8 platelets/ml. Very similar results are obtained with fresh and outdated platelets.
- Samples for nonspecific binding may contain 10 "5 M unlabelled 2-MeS-ADP (RBI, Natick, MA). After incubation for 15 minutes at room temperature, unbound radioligand is separated by rapid filtration and two washes with cold (4-8°C) Binding Wash Buffer (10 mM Hepes pH 7.4, 138 mM NaCl) using a 96-well cell harvester (Minidisc 96, Skatron Instruments, Sterling, VA) and 8x12 GF/C glassfiber filte ⁇ nats (Printed Filtermat A, for 1450 Microbeta, Wallac Inc., Gaithersburg, MD).
- the platelet-bound radioactivity on the filtermats is determined in a scintillation counter (Microbeta 1450, Wallac Inc., Gaithersburg, MD). Specific binding is determined by subtraction of non-specific binding from total binding, and specific binding in the presence of test compounds is expressed as % of specific binding in the absence of test compounds dilutions.
- the table below provides activity for selected compounds of the invention, evaluated as described above. In the table below, activity in the PRP assay is provided as follows: +++, IC 50 ⁇ 10 ⁇ M; ++, 10 ⁇ M ⁇ IC 50 ⁇ 30 ⁇ M; and +, IC 50 > 30 ⁇ M.
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CN2004800287913A CN1863798B (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas |
EP04789522A EP1668002B1 (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas |
AU2004278030A AU2004278030C1 (en) | 2003-10-03 | 2004-09-29 | 2,4-Dioxo-3-quinazolinylaryl sulfonylureas |
DE602004024093T DE602004024093D1 (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-CHINAZOLINYLARYLSULFONYLHARNSTOFFE |
CA002540214A CA2540214A1 (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas |
MXPA06003618A MXPA06003618A (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas. |
PL04789522T PL1668002T3 (en) | 2003-10-03 | 2004-09-29 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas |
AT04789522T ATE448222T1 (en) | 2003-10-03 | 2004-09-29 | 2,4-DIOXO-3-CHINAZOLINYLARYLSULFONYL UREAS |
JP2006534290A JP2007507551A (en) | 2003-10-03 | 2004-09-29 | 2,4-Dioxo-3-quinazolinylarylsulfonylurea |
IL174446A IL174446A (en) | 2003-10-03 | 2006-03-21 | 2,4-dioxo-3-quinazolinylaryl sulfonylurea derivatives and pharmaceutical compositions containing the same |
HK06113688.4A HK1093973A1 (en) | 2003-10-03 | 2006-12-13 | 2,4-dioxo-3-quinazolinylaryl sulfonylureas |
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Also Published As
Publication number | Publication date |
---|---|
MXPA06003618A (en) | 2006-08-11 |
DE602004024093D1 (en) | 2009-12-24 |
IL174446A0 (en) | 2006-08-01 |
IL174446A (en) | 2012-02-29 |
PL1668002T3 (en) | 2010-02-26 |
WO2005032488A3 (en) | 2005-05-12 |
CN1863798B (en) | 2011-08-31 |
AU2004278030A1 (en) | 2005-04-14 |
CA2540214A1 (en) | 2005-04-14 |
KR20060113700A (en) | 2006-11-02 |
JP2007507551A (en) | 2007-03-29 |
EP1668002A2 (en) | 2006-06-14 |
ES2334795T3 (en) | 2010-03-16 |
US20050107357A1 (en) | 2005-05-19 |
EP1668002A4 (en) | 2006-12-20 |
HK1093973A1 (en) | 2007-03-16 |
AU2004278030B2 (en) | 2010-07-01 |
AU2004278030C1 (en) | 2010-12-02 |
PT1668002E (en) | 2009-11-25 |
CN1863798A (en) | 2006-11-15 |
EP1668002B1 (en) | 2009-11-11 |
US7109332B2 (en) | 2006-09-19 |
ATE448222T1 (en) | 2009-11-15 |
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