Patents Assigned to Astex Therapeutics Ltd.
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Patent number: 8664218Abstract: The invention provides a compound of the formula (1): or a salt, solvate, N-oxide or tautomer thereof.Type: GrantFiled: January 30, 2013Date of Patent: March 4, 2014Assignee: Astex Therapeutics Ltd.Inventors: Brian John Williams, Martyn Frederickson
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Patent number: 8653084Abstract: The invention provides an acid addition salt of a compound of the formula (1) Also provided by the invention are processes for preparing the compound of formula (1) and alkyl analogues thereof, novel intermediates for use in the process and methods for preparing the intermediates. The invention also provides new medical uses of compounds of the formula (1) and its ethyl analogue.Type: GrantFiled: October 12, 2007Date of Patent: February 18, 2014Assignee: Astex Therapeutics Ltd.Inventors: Martyn Frederickson, Mladen Vinkovic, Andrew James Woodhead, Alison Jo-Anne Woolford, Marian Williams
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Patent number: 8598217Abstract: The invention provides compounds of the formula (I): and salts, tautomers, solvates and N-oxides thereof; wherein Q is CH or N; X is N, N+—O? or CR3; Y is N, N+—O? or CR3a; R1 and R2 are independently selected from hydrogen and various substituents as defined in the claims; or R1 and R2 together with the atoms to which they are attached, link to form an optionally substituted carbocyclic or heterocyclic aromatic or non-aromatic ring of 4 to 7 members; R3 is selected from hydrogen and various substituents; and R3a is selected from hydrogen and various substituents as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds. The compounds of formula (I) have activity as inhibitors of CDK kinases and are useful in the treatment of inter alia proliferative diseases such as cancers.Type: GrantFiled: April 30, 2010Date of Patent: December 3, 2013Assignees: Astex Therapeutics Ltd., Novartis AGInventors: Steven Howard, Paul Neil Mortenson, Steven Douglas Hiscock, Alison Jo-Anne Woolford, Andrew James Woodhead, Gianni Chessari, Marc O'Reilly, Miles Stuart Congreve, Claudio Dagostin, Young Shin Cho, Fan Yang, Christine Hiu-Tung Chen, Christopher Thomas Brain, Bharat Lagu, Yaping Wang, Sunkyu Kim, John Giraldes, Michael Joseph Luzzio, Lawrence Blas Perez
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Patent number: 8530469Abstract: 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.Type: GrantFiled: October 12, 2011Date of Patent: September 10, 2013Assignee: Astex Therapeutics Ltd.Inventors: Gianni Chessari, Miles Stuart Congreve, Martyn Frederickson, Christopher William Murray, Eva Figueroa Navarro, Alison Jo-Anne Woolford, Maria Grazia Carr, Robert Downham, Michael Alistair O'Brien, Theresa Rachel Phillips, Andrew James Woodhead
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Publication number: 20130217698Abstract: This invention relates to (1) process of making 7-Cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide and salts thereof; (2) novel salt(s) of 7-Cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide; (3) pharmaceutical compositions comprising the same; and (4) methods of treatment using the same.Type: ApplicationFiled: November 9, 2011Publication date: August 22, 2013Applicants: Astex Therapeutics LTD, Novartis AGInventors: John Vincent Calienni, Guang-Pei Chen, Baoqing Gong, Prasad Koteswara Kapa, Vishal Saxena
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Patent number: 8481531Abstract: The invention relates to new bicyclic heterocyclyl derivatives of formula (I), to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.Type: GrantFiled: April 15, 2010Date of Patent: July 9, 2013Assignee: Astex Therapeutics LtdInventors: Gordon Saxty, Valerio Berdini, Eddy Jean Edgard Freyne, Alexandra Papanikos, Pascal Benderitter, Werner Constant Johan Embrechts, Berthold Wroblowski, Rhalid Akkari
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Patent number: 8415355Abstract: The present invention relates to compounds of formula (I) and to pharmaceutically acceptable salts and pharmaceutical compositions thereof. The present invention also relates to use of the compounds of formula (I) in modulating the activity of protein kinases and in the treatment of disease, particularly a disease, disorder or syndrome associated with CDK 4 inhibition.Type: GrantFiled: August 21, 2009Date of Patent: April 9, 2013Assignees: Novartis AG, Astex Therapeutics Ltd.Inventors: Christopher Thomas Brain, Moo Je Sung, Bharat Lagu
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Patent number: 8367687Abstract: The present application describes organic compounds that are useful for the treatment, prevention and/or amelioration of diseases, particularly pyrazole compounds and derivatives are described which inhibit protein kinases. The organic compounds are useful in treating proliferative disease.Type: GrantFiled: December 8, 2008Date of Patent: February 5, 2013Assignees: Novartis AG, Astex Therapeutics Ltd.Inventors: Christopher Thomas Brain, Moo Sung, Young Shin Cho, Ying Hou
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Publication number: 20120213791Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof, and combinations thereof with other anti-cancer agents, for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3.Type: ApplicationFiled: November 4, 2011Publication date: August 23, 2012Applicant: ASTEX THERAPEUTICS, LTD.Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Adrian Liam GILL, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
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Patent number: 8131527Abstract: The present invention relates to FGFR pharmacophores, and in particular to compounds which are capable of binding to FGFR with greater affinity than their binding to VEGFR and methods of identifying such compounds using the pharmacophore. The present invention further relates to compositions, methods and uses of the compounds and the pharmacophores disclosed herein.Type: GrantFiled: December 21, 2007Date of Patent: March 6, 2012Assignee: Astex Therapeutics Ltd.Inventors: Gordon Saxty, Valerio Berdini, David Richard Newell, Owen Callaghan, Maria Grazia Carr, Miles Stuart Congreve, Adrian Liam Gill, Andrew Madin, Christopher William Murray
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Patent number: 8106057Abstract: 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.Type: GrantFiled: May 19, 2010Date of Patent: January 31, 2012Assignee: Astex Therapeutics, Ltd.Inventors: Gianni Chessari, Maria Grazia Carr, Miles Stuart Congreve, Robert Downham, Martyn Frederickson, Christopher William Murray, Eva Figueroa Navarro, Michael Alistair O'Brien, Theresa Rachel Phillips, Andrew James Woodhead
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Patent number: 8101648Abstract: 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.Type: GrantFiled: April 13, 2006Date of Patent: January 24, 2012Assignee: Astex Therapeutics, Ltd.Inventors: Gianni Chessari, Miles Stuart Congreve, Eva Figueroa Navarro, Martyn Frederickson, Christopher Murray, Alison Jo-Anne Woolford, Maria Grazia Carr, Michael Alistair O'Brien, Andrew James Woodhead, Robert Downham, Theresa Rachel Phillips
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Patent number: 8080666Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, 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; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.Type: GrantFiled: September 8, 2010Date of Patent: December 20, 2011Assignee: Astex Therapeutics, Ltd.Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
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Publication number: 20110152244Abstract: The disclosed compounds relate to treatments and therapies for protein kinase-associated disorders. There is also a need for compounds useful in the treatment or prevention or amelioration of one or more symptoms of cancer, transplant rejections, and autoimmune diseases. Furthermore, there is a need for methods for modulating the activity of protein kinases, such as CDK1, CDK2, CDK4, CDK5, CDK6, CDK7, CDK8 and CDK9, using the compounds provided herein.Type: ApplicationFiled: August 20, 2009Publication date: June 23, 2011Applicants: NOVARTIS AG, ASTEX THERAPEUTICS LTD.Inventors: Gilbert Besong, Christopher Thomas Brain, Clinton A. Brooks, Miles Stuart Congreve, Claudio Dagostin, Guo He, Ying Huo, Steven Howard, Yue Li, Yipin Lu, Paul Morteson, Troy Smith, Moo Sung, Steven Woodhead, Wojciech Wrona
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Publication number: 20110059992Abstract: This invention relates to novel compounds having the structural formula I below: and to their pharmaceutically acceptable salt, compositions and methods of use. These novel compounds provide a treatment or prophylaxis of cognitive impairment, Alzheimer Disease, neurodegeneration and dementia.Type: ApplicationFiled: November 11, 2010Publication date: March 10, 2011Applicants: ASTRAZENECA AB, ASTEX THERAPEUTICS LTD.Inventors: James Arnold, Phil Edwards, Mark Sylvester, Stefan Berg, Jörg Holenz, Annika Kers, Karin Kolmodin, Laszlo Rakos, Liselotte Öhberg, Rotticci Didier, Gianni Chessari, Miles Congreve, Christopher Murray, Sahil Patel
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Publication number: 20110003799Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, 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; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.Type: ApplicationFiled: September 8, 2010Publication date: January 6, 2011Applicant: ASTEX THERAPEUTICS, LTD.Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Adrian Liam GILL, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
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Publication number: 20100324072Abstract: This invention relates to novel compounds having the structural formula I below: (I) and to their pharmaceutically acceptable salt, compositions and methods of use. These novel compounds provide a treatment or prophylaxis of cognitive impairment, Alzheimer Disease, neurodegeneration and dementia.Type: ApplicationFiled: May 14, 2008Publication date: December 23, 2010Applicants: ASTRAZENECA AB, ASTEX THERAPEUTICS LTD.Inventors: Gianni Chessari, Miles Stuart Congreve, Jorg Holenz, Christopher Murray, Sahil Patel, Laszlo Rakos, Didier Rotticci
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Patent number: 7855213Abstract: This invention relates to novel compounds having the structural formula I below: and to their pharmaceutically acceptable salt, compositions and methods of use. These novel compounds provide a treatment or prophylaxis of cognitive impairment, Alzheimer Disease, neurodegeneration and dementia.Type: GrantFiled: June 13, 2007Date of Patent: December 21, 2010Assignees: AstraZeneca AB, Astex Therapeutics Ltd.Inventors: James Arnold, Phil Edwards, Mark Sylvester, Stefan Berg, Jörg Holenz, Annika Kers, Karin Kolmodin, Laszlo Rakos, Liselotte Öhberg, Rotticci Didier, Gianni Chessari, Miles Congreve, Christopher Murray, Sahil Patel
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Publication number: 20100298340Abstract: This invention relates to novel compounds having the structural formula I below: and to their pharmaceutically acceptable salt, compositions and methods of use. These novel compounds provide a treatment or prophylaxis of cognitive impairment, Alzheimer Disease, neurodegeneration and dementia.Type: ApplicationFiled: April 12, 2007Publication date: November 25, 2010Applicants: AstraZeneca AB, Astex Therapeutics Ltd.Inventors: Stefan Berg, Karin Kolmodin
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Patent number: 7825140Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, 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; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.Type: GrantFiled: October 19, 2007Date of Patent: November 2, 2010Assignee: Astex Therapeutics, Ltd.Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt