Patents by Inventor David Charles Rees
David Charles Rees 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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Patent number: 8895601Abstract: The invention relates to new quinoxaline derivative compounds, to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.Type: GrantFiled: April 28, 2011Date of Patent: November 25, 2014Assignee: Astex Therapeutics LtdInventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Christopher Norbert Johnson, Steven John Woodhead, David Charles Rees, Laurence Anne Mevellec, Patrick René Angibaud, Eddy Jean Edgard Freyne, Timothy Pietro Suren Perera, Ronaldus Arnodus Hendrika Joseph Gilissen, Berthold Wroblowski, Jean Fernand Armand Lacrampe, Alexandra Papanikos, Oliver Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
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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: 8778936Abstract: 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.Type: GrantFiled: December 19, 2011Date of Patent: July 15, 2014Assignee: Astex Therapeutics LimitedInventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
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Publication number: 20140045831Abstract: The invention relates to bicyclic heterocycle compounds of formula (I): or tautomeric or stereochemically isomeric forms, N-oxides, pharmaceutically acceptable salts or the solvates thereof; wherein R1, R2, R3, A, W, U and V are as defined herein; to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.Type: ApplicationFiled: April 20, 2012Publication date: February 13, 2014Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Ildiko Maria Buck, Gianni Chessari, Steven Howard, David Charles Rees, Alison Jo-Anne Woolford
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Patent number: 8497294Abstract: The invention provides a composition comprising (S)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, novel process intermediates and methods for making the novel process intermediates.Type: GrantFiled: July 11, 2011Date of Patent: July 30, 2013Assignees: Astex Therapeutics Limited, The Institute of Cancer Research: Royal Cancer Hospital, Cancer Research Technology LimtiedInventors: Steven John Woodhead, David Charles Rees, Kyla Merriom Grimshaw
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Publication number: 20130072457Abstract: The invention relates to new quinoxaline derivative compounds, to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.Type: ApplicationFiled: April 28, 2011Publication date: March 21, 2013Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Christopher Norbert Johnson, Steven John Woodhead, Michael Reader, David Charles Rees, Laurence Anne Mevellec, Patrick René Angibaud, Eddy Jean Edgard Freyne, Tom Cornelis Hortense Govaerts, Johan Erwin Edmond Weerts, Timothy Pietro Suren Perera, Ronaldus Arnodus Hendrika Joseph Gilissen, Berthold Wroblowski, Jean Fernand Armand Lacrampe, Alexandra Papanikos, Oliver Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
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Patent number: 8293767Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.Type: GrantFiled: July 22, 2011Date of Patent: October 23, 2012Assignee: Astex Therapeutics LimitedInventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
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Publication number: 20120190673Abstract: 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.Type: ApplicationFiled: December 19, 2011Publication date: July 26, 2012Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Valerio BERDINI, Maria Grazia CARR, Adrian Liam GILL, Steven HOWARD, Eva Figueroa NAVARRO, Gary TREWARTHA, David Charles REES, Mladen VINKOVIC, Paul Graham WYATT
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Patent number: 8110573Abstract: 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.Type: GrantFiled: December 30, 2005Date of Patent: February 7, 2012Assignee: Astex Therapeutics LimitedInventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
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Publication number: 20110274616Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.Type: ApplicationFiled: July 22, 2011Publication date: November 10, 2011Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Paul Graham WYATT, David Charles REES, Mladen VINKOVIC, Gary TREWARTHA
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Publication number: 20110269808Abstract: The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanok novel process intermediates and methods for making the novel process intermediates.Type: ApplicationFiled: July 11, 2011Publication date: November 3, 2011Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED, THE INSTITUTE OF CANCER RESEARCH: ROYAL CANCER HOSPITALInventors: Steven John WOODHEAD, David Charles REES, Martyn FREDERICKSON, Kyla Merriom GRIMSHAW
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Patent number: 8013163Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.Type: GrantFiled: January 20, 2006Date of Patent: September 6, 2011Assignee: Astex Therapeutics LimitedInventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
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Publication number: 20100113551Abstract: The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, novel process intermediates and methods for making the novel process intermediates.Type: ApplicationFiled: March 14, 2008Publication date: May 6, 2010Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITEDInventors: Steven John Woodhead, David Charles Rees, Martyn Frederickson, Kyla Merriom Grimshaw
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Publication number: 20090318500Abstract: 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.Type: ApplicationFiled: May 4, 2007Publication date: December 24, 2009Applicant: Astex Therapeutics limitedInventors: Gary Trewartha, Eva Figueroa Navarro, David Charles Rees, Mladen Vinkovic, Andrew James Woodhead, Paul Graham Wyatt
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Publication number: 20090012124Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.Type: ApplicationFiled: January 20, 2006Publication date: January 8, 2009Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
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Publication number: 20080132495Abstract: 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.Type: ApplicationFiled: December 30, 2005Publication date: June 5, 2008Applicant: ASTEX THERAPEUTICS LIMITEDInventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
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Patent number: 5981755Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.Type: GrantFiled: October 8, 1998Date of Patent: November 9, 1999Assignee: Warner-Lambert CompanyInventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
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Patent number: 5922681Abstract: Antagonists of endothelin are described, as well as methods of using them and pharmaceutical compositions containing them. These compounds are useful in controlling hypertension, myocardial infarction, pulmonary hypertension, angina, metabolic, endocrinological, and neurological disorders, congestive heart failure, septic or endotoxic shock, subarachnoid hemorrhage, arrhythmias, asthma, acute and chronic renal failure, preeclampsia, and diabetes.Type: GrantFiled: September 14, 1992Date of Patent: July 13, 1999Assignee: Warner-Lambert CompanyInventors: Annette Marian Doherty, David Charles Rees
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Patent number: 5856354Abstract: The invention concerns tachykinin antagonists. The compounds are neopeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.Type: GrantFiled: October 17, 1997Date of Patent: January 5, 1999Assignee: Warner-Lambert CompanyInventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
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Patent number: 5716979Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma and rheumatoid arthritis.Type: GrantFiled: October 8, 1996Date of Patent: February 10, 1998Assignee: Warner-Lambert CompanyInventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees