Patents Assigned to Asterand UK Limited
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Patent number: 8080567Abstract: A compound of formula (III): or a salt, solvate and chemically protected form thereof, wherein: R5 is an optionally substituted C5-20 aryl or C4-20alkyl group; L? is a single bond, —O— or —C(?O)—; A is selected from the group consisting of: formula (i) (ii) (iii) wherein X and Y are selected from the group consisting of: O and CR3; S and CR3; NH and CR3; NH and N; O and N; S and N; N and S; and N and O, and where the dotted lines indicate a double bond in the appropriate location, and where Q is either N or CH; D is selected from: formula (i) (ii) (iii) (iv) (v) (vii) (viii) (ix) B is selected from the group consisting of: formula (A) (B) where RP6 is selected from fluoro and chloro; and R2 is either: (i) —CO2H; (ii) —CONH2; (iii) —CH2—OH; or (iv) tetrazol-5-yl.Type: GrantFiled: August 9, 2006Date of Patent: December 20, 2011Assignee: Asterand UK LimitedInventors: Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark, David Edward Clark, Shirley Ann Brunton, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Mark Richard Ashton, Edward Andrew Boyd
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Publication number: 20100331410Abstract: A compound of formula: for treating ocular hypertension.Type: ApplicationFiled: February 5, 2009Publication date: December 30, 2010Applicant: Asterand UK LimitedInventors: Robert Coleman, David Middlemiss
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Patent number: 7858644Abstract: Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): or (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted alkyl; (iv) tetrazol-5-yl.Type: GrantFiled: January 28, 2009Date of Patent: December 28, 2010Assignee: Asterand UK LimitedInventors: Alexander W. Oxford, Richard J. Davis, Robert A. Coleman, Kenneth L. Clark, David E. Clark, Neil V. Harris, Garry Fenton, George Hynd, Keith A. J. Stuttle, Jonathan M. Sutton, Christopher G. Newton
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Publication number: 20100261760Abstract: The disclosure provides EP2 receptor agonist compounds and methods for using the compounds for treating conditions which can be alleviated by agonism of an EP2 receptor.Type: ApplicationFiled: June 22, 2010Publication date: October 14, 2010Applicant: Asterand UK LimitedInventors: Alexander William Oxford, Richard John Davis, Robert Alexander Coleman, Kenneth Lyle Clark, David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Mark Richard Ashton, Edward Andrew Boyd, Shirley Ann Brunton
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Patent number: 7803841Abstract: The disclosure provides EP2 receptor agonist compounds and methods for using the compounds for treating conditions which can be alleviated by agonism of an EP2 receptor.Type: GrantFiled: December 30, 2008Date of Patent: September 28, 2010Assignee: Asterand UK LimitedInventors: Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark, David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Mark Richard Ashton, Edward Andrew Boyd, Shirley Ann Brunton
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Publication number: 20100130556Abstract: A compound of formula (III): or a salt, solvate and chemically protected form thereof, wherein: R5 is an optionally substituted C5-20 aryl or C4-20alkyl group; L? is a single bond, —O— or —C(?O)—; A is selected from the group consisting of: formulae (i) (ii) (iii) wherein X and Y are selected from the group consisting of: O and CR3; S and CR3; NH and CR3; NH and N; O and N; S and N; N and S; and N and O, and where the dotted lines indicate a double bond in the appropriate location, and where Q is either N or CH; D is selected from: formulae (i) (ii) (iii) (iv) (v) (vii) (viii) (ix) B is selected from the group consisting of: formulae (A) (B) where RP6 is selected from fluoro and chloro; and R2 is either: (i) —CO2H; (ii) —CONH2; (iii) —CH2—OH; or (iv) tetrazol-5-yl.Type: ApplicationFiled: August 9, 2006Publication date: May 27, 2010Applicant: ASTERAND UK LIMITEDInventors: Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark, David Edward Clark, Shirley Ann Brunton, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Mark Richard Ashton, Edward Andrew Boyd
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Patent number: 7662839Abstract: A compound of formula (I): or a salt, or chemically protected form thereof, wherein: R5 is an optionally substituted phenyl; A is ?wherein Q is N; R3 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl, and C5-7 aryl-C1-4 alkyl groups; R4 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl, and C5-7 aryl-C1-4 alkyl groups; R6 is selected from H, F, Cl, and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl, and C5-7 aryl-C1-4 alkyl groups; D is selected from: B is selected from the group consisting of: Where RN? is selected from H and C1-4 alkyl; where one of RP3 and RP4 is —Cm-alkylene-R2 and the other of RP3 and RP4 is H, m and n can be 0 or 1, and m+n=1 or 2; and additionally, when RP3 is —Cm-alkylene-R2, m can also be 2 or 3, and m+n=1, 2, 3 or 4, and when R2 is tetrazol-5-yl, m+n may be 0; or where one of RP3 and RP4 is —O—CH2—R2, and the other of RP3 and RP4 is H, n is 0; RN is H or optionalType: GrantFiled: December 5, 2007Date of Patent: February 16, 2010Assignee: Asterand UK LimitedInventors: Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark, David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Mark Richard Ashton, Edward Andrew Boyd, Shirley Ann Brunton
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Patent number: 7569602Abstract: A compound of formula (I): or a salt, solvate and chemically protected form thereof, wherein one of R2 and R5 is: (i) H or an optionally substituted C1-4 alkyl group; or (ii) an optionally substituted C5-7 aryl; and the other of R2 and R5 is the other group; m and n can be 0 or 1, and m+n=1 or 2 RN is H or optionally substituted C1-4 alkyl R3 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl, or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; or (iv) tetrazol-5-yl.Type: GrantFiled: October 15, 2004Date of Patent: August 4, 2009Assignee: Asterand UK LimitedInventors: David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark
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Publication number: 20090143437Abstract: Compounds of formula (X): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): or (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted alkyl; (iv) tetrazol-5-yl.Type: ApplicationFiled: January 28, 2009Publication date: June 4, 2009Applicant: ASTERAND UK LIMITEDInventors: Alexander W. Oxford, Richard J. Davis, Robert A. Coleman, Kenneth L. Clark, David E. Clark, Neil V. Harris, Garry Fenton, George Hynd, Keith A.J. Stuttle, Jonathan M. Sutton, Christopher G. Newton
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Patent number: 7528157Abstract: Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; (iv) tetrazol-5-yl.Type: GrantFiled: December 22, 2006Date of Patent: May 5, 2009Assignee: Asterand UK LimitedInventors: Alexander W. Oxford, Richard J. Davis, Robert A. Coleman, Kenneth L. Clark, David E. Clark, Neil V. Harris, Garry Fenton, George Hynd, Keith A. J. Stuttle, Jonathan M. Sutton, Christopher G. Newton
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Patent number: 7507754Abstract: Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; (iv) tetrazol-5-yl.Type: GrantFiled: August 14, 2007Date of Patent: March 24, 2009Assignee: Asterand UK LimitedInventors: Alexander W. Oxford, Richard J. Davis, Robert A. Coleman, Kenneth L. Clark, David E. Clark, Neil V. Harris, Garry Fenton, George Hynd, Keith A. J. Stuttle, Jonathan M. Sutton, Christopher G. Newton
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Publication number: 20090018150Abstract: Compounds of formulae: (I), (II), (IIIa), (IIIb), (IVa) and (IVb): or a pharmaceutically acceptable salt thereof, for use as pharmaceuticals, in particular for the treatment of a condition alleviated by antagonism of a 5-HT2B receptor.Type: ApplicationFiled: July 23, 2004Publication date: January 15, 2009Applicant: ASTERAND UK LIMITEDInventors: Richard Anthony Borman, Robert Alexander Coleman, Kenneth Lyle Clark, Alexander William Oxford, George Hynd, Janet Ann Archer, Amanda Aley, Neil Victor Harris
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Publication number: 20080306117Abstract: A compound of formula (I): or a salt, solvate and chemically protected form thereof, wherein one of R2 and R5 is: (i) H or an optionally substituted C1-4 alkyl group; or (ii) an optionally substituted C5-7 aryl; and the other of R2 and R5 is the other group; m and n can be 0 or 1, and m+n=1 or 2 RN is H or optionally substituted C1-4 alkyl R3 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl, or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; or (iv) tetrazol-5-yl.Type: ApplicationFiled: August 5, 2008Publication date: December 11, 2008Applicant: Asterand UK LimitedInventors: David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark
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Patent number: 7429607Abstract: The present invention relates to compounds of formula I: wherein one of R1 and R4 is selected from the group consisting of H, and optionally substituted C1-6 alkyl, C3-7 cycloalkyl, C3-7 cycloalkyl-C1-4 alkyl, and phenyl-C1-4 alkyl; and the other of R1 and R4 is an optionally substituted C9-14 aryl group; R2 and R3 are either: (i) independently selected from H, R, R?, SO2R, C(?O)R, (CH2)nNR5R6, where n is from 1 to 4 and R5 and R6 are independently selected from H and R, where R is optionally substituted C1-4 alkyl, and R? is optionally substituted phenyl-C1-4 alkyl, or (ii) together with the nitrogen atom to which they are attached, form an optionally substituted C5-7 heterocyclic group; and their use as pharmaceuticals, in particular for treating conditions alleviated by the antagonism of a 5-HT2B receptor.Type: GrantFiled: February 12, 2003Date of Patent: September 30, 2008Assignee: Asterand UK LimitedInventors: Alexander William Oxford, Richard Anthony Borman, Robert Alexander Coleman, Kenneth Lyle Clark, George Hynd, Janet Ann Archer, Amanda Aley, Neil Victor Harris
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Patent number: 7417068Abstract: A compound of formula (I): or a salt, solvate and chemically protected form thereof, wherein one of R2 and R5 is: (i) H or an optionally substituted C1-4 alkyl group; or (ii)an optionally substituted C5-7 aryl; and the other of R2 and R5 is the other group; m and n can be 0 or 1, and m+n=1 or 2 RN is H or optionally substituted C1-4 alkyl R3 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl, or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; or (iv) tetrazol-5-yl.Type: GrantFiled: October 15, 2004Date of Patent: August 26, 2008Assignee: Asterand UK LimitedInventors: David Edward Clark, Neil Victor Harris, Garry Fenton, George Hynd, Keith Alfred James Stuttle, Jonathan Mark Sutton, Alexander William Oxford, Richard Jon Davis, Robert Alexander Coleman, Kenneth Lyle Clark
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Publication number: 20080039502Abstract: Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): (iii) a group of formula (III): wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; (iv) tetrazol-5-yl.Type: ApplicationFiled: August 14, 2007Publication date: February 14, 2008Applicant: ASTERAND UK LIMITEDInventors: Alexander Oxford, Richard Davis, Robert Coleman, Kenneth Clark, David Clark, Neil Harris, Garry Fenton, George Hynd, Keith Stuttle, Jonathan Sutton, Christopher Newton
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Patent number: 7196089Abstract: Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(?O), S(?O)2, or NRN1, where RN1 is selected from H or optionally substituted C1-4 alkyl, or Y is —C(?O)NRN2—, where RN2 is selected from H, and optionally substituted C1-7 alkyl or C5-20 aryl; R3 is an optionally substituted C6 aryl group linked to a further optionally substituted C6 aryl group, wherein if both C6 aryl groups are benzene rings, there may be an oxygen bridge between the two rings, bound adjacent the link on both rings; A is a single bond or a C1-3 alkylene group; and R5 is either: (i) carboxy; (ii) a group of formula (II): or (iii) a group of formula (III): ?wherein R is optionally substituted C1-7 alkyl, C5-20 aryl or NRN3RN4, where RN3 and RN4 are independently selected from optionally substituted C1-4 alkyl; (iv) tetrazol-5-yl.Type: GrantFiled: January 29, 2004Date of Patent: March 27, 2007Assignee: Asterand UK LimitedInventors: Alexander W. Oxford, Richard J. Davis, Robert A. Coleman, Kenneth L. Clark, David E. Clark, Neil V. Harris, Garry Fenton, George Hynd, Keith A. J. Stuttle, Jonathan M. Sutton, Christopher G. Newton