Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Thienopyrimidines of formula (I) wherein W and R1 to R4 are as defined in the claims, and the pharmaceutically acceptable salts thereof are inhibitors of PI3K and are selective for the p110? isoform, which is a class Ia PI3 kinase, over both other class Ia and class Ib kinases. The compounds may be used to treat diseases and disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Thiazolopyrimidine compounds of formula I, where W represents a thiazole ring, selectively inhibit the p110 delta subtype of PI3 Kinase (PI3K), and are useful for treating diseases and disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: This invention provides a compound which is a purine of formula (Ia) or (Ib): and the pharmaceutically acceptable salts thereof that are inhibitors of PI3K and a selective for the p110? isoform, which is a class Ia PI3 kinase, over other class Ia PI3 kinases and over class Ib kinases. The compounds may be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thiazolopyrimidine compounds of formula I, where W represents a thiazole ring, selectively inhibit the p110 delta subtype of PI3 Kinase (PI3K), and are useful for treating diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thiazolopyrimidines of formula (I): wherein W represents a thiazole ring; R1 and R2 form, together with the N atom to which they are attached, a group of the following formula (IIa): in which A is a ring system; m is 0, 1 or 2; R3 is H or C1-C6 alkyl; and R4 is an indole group which is unsubstituted or substituted; and the pharmaceutically acceptable salts thereof are inhibitors of PI3K and are selective for the p110? isoform, which is a class Ia PD kinase, over both other class Ia and class Ib kinases. The compounds may be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thienopyrimidines of formula (I) wherein W and R1 to R4 are as defined in the claims, and the pharmaceutically acceptable salts thereof are inhibitors of PI3K and are selective for the p110? isoform, which is a class Ia PI3 kinase, over both other class Ia and class Ib kinases. The compounds may be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: The invention provides a pyrimidine compound of formula (I): wherein R1 and R2 have any of the values defined herein; or a pharmaceutically acceptable salt thereof. The compounds are inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: The invention provides a pyrimidine compound of formula (I): wherein R1 and R2 have any of the values defined herein; or a pharmaceutically acceptable salt thereof. These compounds are inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thiazolopyrimidines of formula (I): wherein W represents a thiazole ring; R1 and R2 form, together with the N atom to which they are attached, a group of the following formula (IIa): in which A is a ring system; m is 0, 1 or 2; R is H or C1-C6 alkyl; and R is an indole group which is unsubstituted or substituted; and the pharmaceutically acceptable salts thereof are inhibitors of PI3K and are selective for the p110? isoform, which is a class Ia PD kinase, over both other class Ia and class Ib kinases. The compounds may be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: The invention provides a pyrimidine compound of formula (I): wherein R1, R2, and Y have any of the values defined herein; or a pharmaceutically acceptable salt thereof. The compounds are inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine function disorders and neurological disorders.

Abstract: Thienopyrimidines of formula (Ia) or (Ib): wherein R1-R3 have any of the values described herein, and the pharmaceutically acceptable salt thereof have activity as inhibitors of PI3K and may thus be used to treat diseases and disorders arising from abnormal cell growth, function or behaviour associated with PI3 kinase, in particular the p110 delta subtype, such as immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.