Patents by Inventor Michael Alistair O'Brien
Michael Alistair O'Brien has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140288040Abstract: The invention provides compounds of the formula (6): or a salt, N-oxide or tautomer thereof, wherein A is CH, CF or nitrogen; E is CH, CF or nitrogen; and R0 is hydrogen or C1-2 alkyl; R1a is selected from CONH2; CO2H; an optionally substituted acyclic C1-8 hydrocarbon group; and an optionally substituted monocyclic carbocyclic or heterocyclic group of 3 to 7 ring members, of which 0, 1, 2, 3 or 4 are heteroatom ring members selected from O, N and S; R2 is selected from hydrogen and a group R2a; R2a is selected from an optionally substituted acyclic C1-8 hydrocarbon group; an optionally substituted monocyclic carbocyclic or heterocyclic group of 3 to 7 ring members, of which 0, 1 or 2 ring members are heteroatom ring members selected from O, N and S; and an optionally substituted bicyclic heterocyclic group of 9 or 10 ring members, of which 1 or 2 ring members are nitrogen atoms; wherein at least one of R1 and R2 is other than hydrogen; R3 is an optionally substituted 3- to 10-membered monocyclic or bicycType: ApplicationFiled: October 31, 2012Publication date: September 25, 2014Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Andrew James Woodhead, Gianni Chessari, Gilbert Ebai Besong, Maria Grazia Carr, Steven Douglas Hiscock, Michael Alistair O'Brien, David Charles Rees, Susanne Maria Saalau-Bethell, Hendrika Maria Gerarda Willems, Neil Thomas Thompson
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Patent number: 8779147Abstract: 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: GrantFiled: November 4, 2011Date of Patent: July 15, 2014Assignee: 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: 8779132Abstract: The invention provides a compound for use in medicine, the compound being a compound of the formula (VI0) or a salt, solvate, tautomer or N-oxide thereof: wherein the bicyclic group: is selected from the structures C1, C5 and C6: wherein n is 0, 1, 2 or 3; R1 is hydrogen, hydroxy, or O—Rz; R2a is hydroxy, methoxy or O—Rz; provided that at least one of R1 and R2a is O—Rz; Rz is Lp-Rp1; SO3H; a glucuronide residue; a mono-, di- or tripeptide residue; or Lp is a bond, C?O, (C?O)O, (C?O)NRp1 or S(O)xNRp1; x is 1 or 2; Rp1 is hydrogen or a an optionally substituted C1-25 hydrocarbyl group containing 0, 1 or 2 carbocyclic rings and 0, 1, 2, 3, 4, 5 or 6 carbon-carbon multiple bonds, provided that Rp1 is not hydrogen when Lp is a bond, C?O or (C?O)O; and provided also that O—Rz does not contain an O—O moiety; and excluding compounds wherein R1 is hydroxy and R2a is methoxy; Rp2 and Rp3 are the same or different and each is a group Rp1; and R3, R4a, R8 and R10 are defined in the claims.Type: GrantFiled: October 12, 2007Date of Patent: July 15, 2014Assignee: Astex Therapeutics LimitedInventors: Miles Stuart Congreve, Lynsey Helen Fazal, Martyn Frederickson, Christopher William Murray, Michael Alistair O'Brien, Andrew James Woodhead, John Francis Lyons, Neil Thomas Thompson
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Publication number: 20140010892Abstract: 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.Type: ApplicationFiled: May 24, 2013Publication date: January 9, 2014Applicant: Astex Therapeutics LimitedInventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Eva Figueroa NAVARRO, Adrian Liam GILL, Steven HOWARD, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
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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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Patent number: 8513276Abstract: The invention relates to new bicyclic heterocyclic derivative compounds of Formula (I), to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer. The compounds of Formula (I) are inhibitors of FGFR, VEGFR or PDGFR.Type: GrantFiled: December 21, 2007Date of Patent: August 20, 2013Assignee: Astex Therapeutics LimitedInventors: Valerio Berdini, Gilbert Ebai Besong, Owen Callaghan, Maria Grazia Carr, Miles Stuart Congreve, Adrian Liam Gill, Charlotte Mary Griffiths-Jones, Andrew Madin, Christopher William Murray, Rajdeep Kaur Nijjar, Michael Alistair O'Brien, Andrew Pike, Gordon Saxty, Richard David Taylor, Emma Vickerstaffe
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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: 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: 20110224203Abstract: 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.Type: ApplicationFiled: May 26, 2011Publication date: September 15, 2011Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Eva Figueroa NAVARRO, Adrian Liam GILL, Steven HOWARD, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
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Patent number: 7977477Abstract: 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.Type: GrantFiled: July 5, 2004Date of Patent: July 12, 2011Assignee: Astex Therapeutics, LimitedInventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Eva Figueroa Navarro, Adrian Liam Gill, Steven Howard, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Wyatt
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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: 20100286167Abstract: 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: ApplicationFiled: May 19, 2010Publication date: November 11, 2010Inventors: 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: 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
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Patent number: 7754725Abstract: 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.Type: GrantFiled: March 1, 2007Date of Patent: July 13, 2010Assignee: 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: 7745638Abstract: 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: June 29, 2010Assignees: Astex Therapeutics Limited, The Institute of Cancer Research: Royal Cancer Hospital, Cancer Research Technology LimitedInventors: 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: 20100160324Abstract: 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.Type: ApplicationFiled: December 30, 2005Publication date: June 24, 2010Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Nicholas Gareth Morse Davies, Adrian Liam Gill, Eva Figueroa Navarro, Steven Howard, Gary Trewartha, Andrew James Woodhead, Alison Jo-Anne Woolford, Paul Graham Wyatt
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Publication number: 20100152184Abstract: The invention provides a compound for use in medicine, the compound being a compound of the formula (VI0) or a salt, solvate, tautomer or N-oxide thereof: wherein the bicyclic group: is selected from the structures C1, C5 and C6: wherein n is 0, 1, 2 or 3; R1 is hydrogen, hydroxy, or O—Rz; R2a is hydroxy, methoxy or O—Rz; provided that at least one of R1 and R2a is O—Rz; Rz is Lp-Rp1; SO3H; a glucuronide residue; a mono-, di- or tripeptide residue; or Lp is a bond, C?O, (C?O)O, (C?O)NRp1 or S(O)xNRp1; x is 1 or 2; Rp1 is hydrogen or a an optionally substituted C1-25 hydrocarbyl group containing 0, 1 or 2 carbocyclic rings and 0, 1, 2, 3, 4, 5 or 6 carbon-carbon multiple bonds, provided that Rp1 is not hydrogen when Lp is a bond, C?O or (C?O)O; and provided also that O—Rz does not contain an O—O moiety; and excluding compounds wherein R1 is hydroxy and R2a is methoxy; Rp2 and Rp3 are the same or different and each is a group Rp1; and R3, R4a, R8 and R10 are defined in the claims.Type: ApplicationFiled: October 12, 2007Publication date: June 17, 2010Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Miles Stuart Congreve, Lynsey Helen Fazal, Martyn Frederickson, Christopher William Murray, Michael Alistair O'Brien, Andrew James Woodhead, John Francis Lyons, Neil Thomas Thompson
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Publication number: 20100120761Abstract: The invention relates to new bicyclic heterocyclic derivative compounds, to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.Type: ApplicationFiled: December 21, 2007Publication date: May 13, 2010Applicant: Astex Therapeutics LimitedInventors: Valerio Berdini, Gilbert Ebai Besong, Owen Callaghan, Maria Grazia Carr, MIles Stuart Congreve, Adrian Liam Gill, Charlotte Mary Griffiths-Jones, Andrew Madin, Christopher William Murray, Rajdeep Kaur Nijjar, Michael Alistair O'Brien, Andrew Pike, Gordon Saxty, Richard David Taylor, Emma Vickerstaffe