Abstract: The invention provides a method of inhibiting a TYK2 kinase, which method comprises bringing into contact with the TYK2 kinase an effective TYK2 kinase-inhibiting amount of a compound having the formula (0): or a salt or stereoisomer thereof. The invention also provides a novel subset of compounds within formula (0) as well as pharmaceutical compositions containing them and their use in medicine.

Abstract: The invention provides crystalline forms of a compound having the formula (1): along with methods of making the crystalline forms and pharmaceutical formulations comprising the crystalline forms.

Abstract: The invention provides a compound for use in the treatment of T-Cell Acute Lymphoblastic Leukaemia (T-ALL), the compound having the formula (1): or being a pharmaceutically acceptable salt thereof; wherein: n is 0, 1 or 2; Ar1 is selected from an optionally substituted phenyl, pyridyl, thienyl and furanyl; Q1 is selected from C(?O), S(?O) and SO2; A is absent or is NR2; R1 is selected from: hydrogen; an optionally substituted C1-6 non-aromatic hydrocarbon group; and optionally substituted 3- to 7-membered non-aromatic carbocyclic and heterocyclic rings containing one or two heteroatom ring members selected from O, N and S, and bridged bicyclic heterocyclic rings of seven to nine ring members of which one or two are nitrogen atoms, the carbocyclic and heterocyclic rings and bridged bicyclic heterocyclic rings; R2 is selected from hydrogen and C1-4 alkyl; or NR1R2 forms an optionally substituted 4- to 7-membered non-aromatic nitrogen-containing heterocyclic ring optionally containing a second heteroatom

Abstract: The invention provides compounds of the formula (1): or a salt or tautomer thereof, wherein R1 is hydrogen or fluorine, pharmaceutical compositions containing the compounds and medical uses of the compounds (for example, in the treatment of inflammatory or immune disorders).

Abstract: The invention provides a compound for use in the treatment of T-Cell Acute Lymphoblastic Leukaemia (T-ALL), the compound having the formula (1): or being a pharmaceutically acceptable salt thereof; wherein: n is 0, 1 or 2; Ar1 is selected from an optionally substituted phenyl, pyridyl, thienyl and furanyl; Q1 is selected from C(?O), S(?O) and SO2; A is absent or is NR2; R1 is selected from: hydrogen; an optionally substituted C1-6 non-aromatic hydrocarbon group; and optionally substituted 3- to 7-membered non-aromatic carbocyclic and heterocyclic rings containing one or two heteroatom ring members selected from O, N and S, and bridged bicyclic heterocyclic rings of seven to nine ring members of which one or two are nitrogen atoms, the carbocyclic and heterocyclic rings and bridged bicyclic heterocyclic rings; R2 is selected from hydrogen and C1-4 alkyl; or NR1R2 forms an optionally substituted 4- to 7-membered non-aromatic nitrogen-containing heterocyclic ring optionally containing a second hete

Abstract: The invention provides a method of inhibiting a TYK2 kinase, which method comprises bringing into contact with the TYK2 kinase an effective TYK2 kinase-inhibiting amount of a compound having the formula (0): or a salt or stereoisomer thereof. The invention also provides a novel subset of compounds within formula (0) as well as pharmaceutical compositions containing them and their use in medicine.

Abstract: The invention provides a method of inhibiting a TYK2 kinase, which method comprises bringing into contact with the TYK2 kinase an effective TYK2 kinase-inhibiting amount of a compound having the formula (0): or a salt or stereoisomer thereof. The invention also provides a novel subset of compounds within formula (0) as well as pharmaceutical compositions containing them and their use in medicine.

Abstract: The invention provides a compound for use in the treatment of T-Cell Acute Lymphoblastic Leukaemia (T-ALL), the compound having the formula (1): or being a pharmaceutically acceptable salt thereof; wherein: n is 0, 1 or 2; Ar1 is selected from an optionally substituted phenyl, pyridyl, thienyl and furanyl; Q1 is selected from C(?O), S(?O) and SO2; A is absent or is NR2; R1 is selected from: hydrogen; an optionally substituted C1-6 non-aromatic hydrocarbon group; and optionally substituted 3- to 7-membered non-aromatic carbocyclic and heterocyclic rings containing one or two heteroatom ring members selected from O, N and S, and bridged bicyclic heterocyclic rings of seven to nine ring members of which one or two are nitrogen atoms, the carbocyclic and heterocyclic rings and bridged bicyclic heterocyclic rings; R2 is selected from hydrogen and C1-4 alkyl; or NR1R2 forms an optionally substituted 4- to 7-membered non-aromatic nitrogen-containing heterocyclic ring optionally containing a second hete

Abstract: The invention provides a method of inhibiting a TYK2 kinase, which method comprises bringing into contact with the TYK2 kinase an effective TYK2 kinase-inhibiting amount of a compound having the formula (0): or a salt or stereoisomer thereof. The invention also provides a novel subset of compounds within formula (0) as well as pharmaceutical compositions containing them and their use in medicine.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionizing radiation.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionising radiation.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionising radiation.

Abstract: The invention provides a compound which is an amide of the formula (1), or a salt, solvate, N-oxide or tautomer thereof; wherein: a is 0 or 1; b is 0 or 1: provided that the sum of a and b is 0 or 1; T is O or NH Ar1 is a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S, and being optionally substituted by one or more substituents R1; Ar2 Js a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S and being optionally substituted by one or more substituents R2; and R1 and R2 are as defined in the claims. The compounds are inhibitors of kinases and in particular FLT3, FLT4 and Aurora kinases.

Abstract: The invention provides a compound having the formula (1): and salts thereof; wherein: R1 is hydrogen or C1-2 alkyl; and R2, R3 and R4 are the same or different and each is selected from hydrogen, C1-2 alkyl, fluorine, chlorine, C1-2 alkoxy and trifluoromethyl, provided that no more than two of R2, R3 and R4 are other than hydrogen. Also provided are pharmaceutical compositions containing the compounds and their use in medicine, and in particular in the treatment of cancer.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionising radiation.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionizing radiation.

Abstract: The invention provides a compound which is an amide of the formula (1), or a salt, solvate, N-oxide or tautomer thereof; wherein: a is 0 or 1; b is 0 or 1: provided that the sum of a and b is 0 or 1; T is O or NH Ar1 is a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S, and being optionally substituted by one or more substituents R1; Ar2 Js a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S and being optionally substituted by one or more substituents R2; and R1 and R2 are as defined in the claims. The compounds are inhibitors of kinases and in particular FLT3, FLT4 and Aurora kinases.

Abstract: The invention provides a compound having the formula (1): and salts thereof; wherein: R1 is hydrogen or C1-2 alkyl; and R2, R3 and R4 are the same or different and each is selected from hydrogen, C1-2 alkyl, fluorine, chlorine, C1-2 alkoxy and trifluoromethyl, provided that no more than two of R2, R3 and R4 are other than hydrogen. Also provided are pharmaceutical compositions containing the compounds and their use in medicine, and in particular in the treatment of cancer.

Abstract: The invention provides a compound which is an amide of the formula (1), or a salt, solvate, N-oxide or tautomer thereof; wherein: a is 0 or 1; b is 0 or 1: provided that the sum of a and b is 0 or 1; T is O or NH Ar1 is a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S, and being optionally substituted by one or more substituents R1; Ar2 Js a monocyclic or bicyclic 5- to 10-membered aryl or heteroaryl group containing up to 4 heteroatoms selected from O, N and S and being optionally substituted by one or more substituents R2; and R1 and R2 are as defined in the claims. The compounds are inhibitors of kinases and in particular FLT3, FLT4 and Aurora kinases.

Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain pyridyl-amino-pyrazine carbonitrile compounds that, inter alia, inhibit Checkpoint Kinase 1 (CHK1) kinase function. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit CHK1 kinase function, and in the treatment of diseases and conditions that are mediated by CHK1, that are ameliorated by the inhibition of CHK1 kinase function, etc., including proliferative conditions such as cancer, etc., optionally in combination with another agent, for example, (a) a DNA topoisomerase I or II inhibitor; (b) a DNA damaging agent; (c) an antimetabolite or thymidylate synthase (TS) inhibitor; (d) a microtubule targeted agent; and (e) ionising radiation.