Patents Assigned to Astex Therapeutics Ltd.
  • Patent number: 8664218
    Abstract: The invention provides a compound of the formula (1): or a salt, solvate, N-oxide or tautomer thereof.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: March 4, 2014
    Assignee: Astex Therapeutics Ltd.
    Inventors: Brian John Williams, Martyn Frederickson
  • Patent number: 8653084
    Abstract: 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: Grant
    Filed: October 12, 2007
    Date of Patent: February 18, 2014
    Assignee: Astex Therapeutics Ltd.
    Inventors: Martyn Frederickson, Mladen Vinkovic, Andrew James Woodhead, Alison Jo-Anne Woolford, Marian Williams
  • Patent number: 8598217
    Abstract: 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: Grant
    Filed: April 30, 2010
    Date of Patent: December 3, 2013
    Assignees: Astex Therapeutics Ltd., Novartis AG
    Inventors: 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
  • Patent number: 8530469
    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.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: September 10, 2013
    Assignee: 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
  • Publication number: 20130217698
    Abstract: 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: Application
    Filed: November 9, 2011
    Publication date: August 22, 2013
    Applicants: Astex Therapeutics LTD, Novartis AG
    Inventors: John Vincent Calienni, Guang-Pei Chen, Baoqing Gong, Prasad Koteswara Kapa, Vishal Saxena
  • Patent number: 8481531
    Abstract: 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: Grant
    Filed: April 15, 2010
    Date of Patent: July 9, 2013
    Assignee: Astex Therapeutics Ltd
    Inventors: Gordon Saxty, Valerio Berdini, Eddy Jean Edgard Freyne, Alexandra Papanikos, Pascal Benderitter, Werner Constant Johan Embrechts, Berthold Wroblowski, Rhalid Akkari
  • Patent number: 8415355
    Abstract: 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: Grant
    Filed: August 21, 2009
    Date of Patent: April 9, 2013
    Assignees: Novartis AG, Astex Therapeutics Ltd.
    Inventors: Christopher Thomas Brain, Moo Je Sung, Bharat Lagu
  • Patent number: 8367687
    Abstract: 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: Grant
    Filed: December 8, 2008
    Date of Patent: February 5, 2013
    Assignees: Novartis AG, Astex Therapeutics Ltd.
    Inventors: Christopher Thomas Brain, Moo Sung, Young Shin Cho, Ying Hou
  • Publication number: 20120213791
    Abstract: 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: Application
    Filed: November 4, 2011
    Publication date: August 23, 2012
    Applicant: 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
  • Patent number: 8131527
    Abstract: 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: Grant
    Filed: December 21, 2007
    Date of Patent: March 6, 2012
    Assignee: 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
  • Patent number: 8106057
    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.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: January 31, 2012
    Assignee: 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
  • Patent number: 8101648
    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.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: January 24, 2012
    Assignee: 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
  • Patent number: 8080666
    Abstract: 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: Grant
    Filed: September 8, 2010
    Date of Patent: December 20, 2011
    Assignee: 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
  • Publication number: 20110152244
    Abstract: 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: Application
    Filed: August 20, 2009
    Publication date: June 23, 2011
    Applicants: 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
  • Publication number: 20110059992
    Abstract: 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: Application
    Filed: November 11, 2010
    Publication date: March 10, 2011
    Applicants: 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
  • Publication number: 20110003799
    Abstract: 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: Application
    Filed: September 8, 2010
    Publication date: January 6, 2011
    Applicant: 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
  • Publication number: 20100324072
    Abstract: 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: Application
    Filed: May 14, 2008
    Publication date: December 23, 2010
    Applicants: ASTRAZENECA AB, ASTEX THERAPEUTICS LTD.
    Inventors: Gianni Chessari, Miles Stuart Congreve, Jorg Holenz, Christopher Murray, Sahil Patel, Laszlo Rakos, Didier Rotticci
  • Patent number: 7855213
    Abstract: 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: Grant
    Filed: June 13, 2007
    Date of Patent: December 21, 2010
    Assignees: 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
  • Publication number: 20100298340
    Abstract: 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: Application
    Filed: April 12, 2007
    Publication date: November 25, 2010
    Applicants: AstraZeneca AB, Astex Therapeutics Ltd.
    Inventors: Stefan Berg, Karin Kolmodin
  • Patent number: 7825140
    Abstract: 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: Grant
    Filed: October 19, 2007
    Date of Patent: November 2, 2010
    Assignee: 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