Abstract: The invention provides compounds of the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein R1 is hydroxy or hydrogen; R2 is hydroxy; methoxy or hydrogen; provided that at least one of R1 and R2 is hydroxy; R3 is selected from hydrogen; halogen; cyano; optionally substituted C1-5 hydrocarbyl and optionally substituted C1-5 hydrocarbyloxy; R4 is selected from hydrogen; a group —(O)n—R7 where n is 0 or 1 and R7 is an optionally substituted acyclic C1-5 hydrocarbyl group or a monocyclic carbocyclic or heterocyclic group having 3 to 7 ring members; halogen; cyano; hydroxy; amino; and optionally substituted mono- or di-C1-5 hydrocarbyl-amino; or R3 and R4 together form a monocyclic carbocyclic or heterocyclic ring of 5 to 7 ring members; and NR5R6 forms an optionally substituted bicyclic heterocyclic group having 8 to 12 ring members of which up to 5 ring members are heteroatoms selected from oxygen, nitrogen and sulphur. The compounds have activity as Hsp90 inhibitors.

Abstract: The invention provides compounds of the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein R1 is hydroxy or hydrogen; R2 is hydroxy; methoxy or hydrogen; provided that at least one of R1 and R2 is hydroxy; R3 is selected from hydrogen; halogen; cyano; optionally substituted C1-5 hydrocarbyl and optionally substituted C1-5 hydrocarbyloxy; R4 is selected from hydrogen; a group —(O)n—R7 where n is 0 or 1 and R7 is an optionally substituted acyclic C1-5 hydrocarbyl group or a monocyclic carbocyclic or heterocyclic group having 3 to 7 ring members; halogen; cyano; hydroxy; amino; and optionally substituted mono- or di-C1-5 hydrocarbyl-amino; or R3 and R4 together form a monocyclic carbocyclic or heterocyclic ring of 5 to 7 ring members; and NR5R6 forms an optionally substituted bicyclic heterocyclic group having 8 to 12 ring members of which up to 5 ring members are heteroatoms selected from oxygen, nitrogen and sulphur. The compounds have activity as Hsp90 inhibitors.

Abstract: The invention provides compounds of the general formula (I) which have activity as Hsp90 inhibitors.

Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.

Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Aurora kinases and are therefore useful to treat cancer and viral diseases.

Abstract: The invention provides a combination comprising an Hsp90 inhibitor compound of the formula (VII): or tautomer or salt thereof and one or more therapeutic agents selected from topoisomerase I inhibitors; antimetabolites; tubulin targeting agents; DNA binder and topoisomerase II inhibitors; alkylating agents; monoclonal antibodies; anti-hormones; signal transduction inhibitors; proteasome inhibitors; DNA methyl transferases; cytokines; retinoids and HDAC or HAT modulators.

Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.

Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.

Abstract: This invention provides methods for treating cancer, particularly hematopoietic tumors of lymphoid or myeloid lineage, prostate cancer, lung cancer, gastrointestinal stromal tumor, breast cancer and melanoma, which comprise administering to the mammal a compound, salt, hydrate, tautomer or N-oxide according to formula (I): and in particular, those of subgenus VIIa These compounds inhibit or modulate the activity of the heat shock protein Hsp90.

Abstract: The invention provides compounds of the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein R1 is hydrogen; R2 is hydroxy or methoxy; R3 is selected from hydrogen; halogen; cyano; optionally substituted C1-5 hydrocarbyl and optionally substituted C1-5 hydrocarbyloxy; R4 is selected from hydrogen; a group —(O)n—R7 where n is 0 or 1 and R7 is an optionally substituted acyclic C1-5 hydrocarbyl group or a monocyclic carbocyclic or heterocyclic group having 3 to 7 ring members; halogen; cyano; hydroxy; amino; and optionally substituted mono- or di-C1-5 hydrocarbyl-amino; or R3 and R4 together form a monocyclic carbocyclic or heterocyclic ring of 5 to 7 ring members; and NR5R6 forms an optionally substituted bicyclic heterocyclic group having 8 to 12 ring members of which up to 5 ring members are heteroatoms selected from oxygen, nitrogen and sulphur. The compounds have activity as Hsp90 inhibitors.

Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Aurora kinases and are therefore useful to treat cancer and viral diseases.

Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Auroa kinases and are therefore useful to treat cancer and viral diseases.

Abstract: This invention provides methods for treating cancer, particularly hematopoietic tumors of lymphoid or myeloid lineage, prostate cancer, lung cancer, gastrointestinal stromal tumor, breast cancer and melanoma, which comprise administering to the mammal a compound, salt, hydrate, tautomer or N-oxide according to formula (I): and in particular, those of subgenus VIIa These compounds inhibit or modulate the activity of the heat shock protein Hsp90.

Abstract: This invention provides methods for treating, alleviating or reducing the incidence of a disease or condition comprising or arising from abnormal cell growth in a mammal, which comprise administering to the mammal a compound, salt, hydrate, tautomer or N-oxide according to formula (I): wherein R1 is hydroxy or hydrogen; R2 is hydroxyl, methoxy or hydrogen; provided that at least one of R1 and R2 is hydroxy; R3 is selected from hydrogen; halogen; cyano; optionally substituted C1-5 hydrocarbyl and optionally substituted C1-5 hydrocarbyloxy; R4 is selected from hydrogen; a group —(O)n.

Abstract: Compounds having the formula (I): and in particular, those of subgenus VIIa are disclosed as inhibits or modulators of the activity of the heat shock protein Hsp90. As such they are useful for treating cancer, particularly hematopoietic tumors of lymphoid or myeloid lineage, prostate cancer, lung cancer, gastrointestinal stromal tumor, breast cancer and melanoma.

Abstract: The invention provides a compound of the formula (I): for use in medicine: or salts or tautomers or N-oxides or solvates thereof; wherein R1 is an optionally substituted heterocyclic group having from 3 to 12 ring members provided that the cyclic group joined to the pyrazole contains at least one heteroatom selected from N, O or S; A is a bond or —Y—(B)n—; B is C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; n is 0 or 1; Y is a bond or an alkylene chain of 1,2 or 3 carbon atoms in length; R2 is hydrogen; halogen; C1-4 alkoxy (e.g. methoxy); or a C1-4 hydrocarbyl group optionally substituted by halogen (e.g. fluorine), hydroxyl or C1-4 alkoxy (e.g. methoxy); R3 is selected from optionally substituted carbocyclic and heterocyclic groups having from 3 to 12 ring members or an optionally substituted C1-8 hydrocarbyl group; with the proviso that R1 is not formula (II): where X, R3? and R4? are defined in the claims.

Abstract: The invention provides compounds of the general formula (I) which have activity as Hsp90 inhibitors.

Abstract: The invention provides the compound of formula (I) 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide in a substantially crystalline form, therapeutic uses thereof and pharmaceutical compositions containing the crystalline compound. The invention also provides novel pharmaceutical formulations containing 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide and novel processes for preparing the compound.

Abstract: The invention provides compounds of the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein R1 is hydroxy or hydrogen; R2 is hydroxy; methoxy or hydrogen; provided that at least one of R1 and R2 is hydroxy; R3 is selected from hydrogen; halogen; cyano; optionally substituted C1-5 hydrocarbyl and optionally substituted C1-5 hydrocarbyloxy; R4 is selected from hydrogen; a group —(O)n—R7 where n is 0 or 1 and R7 is an optionally substituted acyclic C1-5 hydrocarbyl group or a monocyclic carbocyclic or heterocyclic group having 3 to 7 ring members; halogen; cyano; hydroxy; amino; and optionally substituted mono- or di-C1-5 hydrocarbylamino; or R3 and R4 together form a monocyclic carbocyclic or heterocyclic ring of 5 to 7 ring members; and NR5R6 forms an optionally substituted bicyclic heterocyclic group having 8 to 12 ring members of which up to 5 ring members are heteroatoms selected from oxygen, nitrogen and sulphur. The compounds have activity as Hsp90 inhibitors.

Abstract: The invention provides a compound for use as an inhibitor of Hsp90, the compound having the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein R1 is hydroxy or hydrogen; R2 is hydroxy; methoxy or hydrogen; provided that at least one of R1 and R2 is hydroxy; R3 is selected from hydrogen; halogen; cyano; C1-5 hydrocarbyl and C1-5 hydrocarbyloxy; wherein the C1-5 hydrocarbyl and C1-5 hydrocarbyloxy moieties are each optionally substituted by one or more substituents selected from hydroxy, halogen, C1-2 alkoxy, amino, mono- and di-C1-2 alkylamino, and aryl and heteroaryl groups of 5 to 12 ring members; R4 is selected from hydrogen; a group —(O)n—R7 where n is 0 or 1 and R7 is an acyclic C1-5 hydrocarbyl group or a monocyclic carbocyclic or heterocyclic group having 3 to 7 ring members; halogen; cyano; hydroxy; amino; and mono- or di-C1-5 hydrocarbyl-amino, wherein the acyclic C1-5 hydrocarbyl group and the mono and di-C1-5 hydrocarbylamino moieties in each instance are optionally substit