Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Compounds of Formula (I), and including stereoisomers, geometric isomers, tautomers, solvates, metabolites and pharmaceutically acceptable salts thereof, are useful for inhibiting lipid kinases including p110 alpha and other isoforms of PI3K, and for treating disorders such as cancer or inflammation mediated by lipid kinases. Methods of using compounds of Formula (I) for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein A, n, R1, R2, and R3 have any of the values defined herein and the pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Compounds of Formula (I), and including stereoisomers, geometric isomers, tautomers, solvates, metabolites and pharmaceutically acceptable salts thereof, are useful for inhibiting lipid kinases including p110 alpha and other isoforms of PI3K, and for treating disorders such as cancer or inflammation mediated by lipid kinases. Methods of using compounds of Formula (I) for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.

Abstract: Provided herein are methods of treating diseases or disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase, which method includes administering to a patient in need thereof a compound that is a fused pyrimidine of formula (I):

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Provided herein are methods of treating diseases or disorders arising from abnormal cell growth, function or behavior associated with PI3 kinase, which method includes administering to a patient in need thereof a compound that is a fused pyrimidine of formula (I):

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): where A is a thiophene or furan ring and R1-R3 and n are defined in the specification. These compounds have activity as inhibitors of PI3K and may thus be used to treat diseased 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 disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein A, n, R1, R2, and R3 have any of the values defined herein and the pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: The invention provides compounds which are pyrimidines of formula (I): wherein —XR3 is bonded at ring position 2 and —YR4 is bonded at ring position 5 or 6; R1 and R2 form, together with the N atom to which they are attached, a morphorine ring which is unsubstituted or substituted; X is a direct bond; R3 is selected from (i) a group of the following formula (1): wherein B is a phenyl ring which is unsubstituted or substituted and Z is selected from —OR, CH2OR and —NRS(O) mR, wherein each R is independently selected from H, C1-C6 alkyl, C3-C10 cycloalkyl and a 5- to 12-membered aryl or heteroaryl group, the group being unsubstituted or substituted, and m is 2; and (ii) an indazole group which is unsubstituted or substituted; and Y is selected from —O—(CH2)n—, —NH—(CH2)n, —NHC(O)—(CH2)n— and —C(O)NH—(CH2)n— wherein n is 0 or an integer of 1 to 3, and R4 is selected from an unsaturated 5- to 12-membered carbocyclic or heterocyclic group which is unsubstituted or substituted and a group —NR5R6 wherein R5 and R6,

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: Fused pyrimidines of formula (I): wherein R1-R3, A and n have any of the values described in the specification; and pharmaceutically acceptable salts 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 such as cancer, immune disorders, cardiovascular disease, viral infection, inflammation, metabolism/endocrine disorders and neurological disorders. Processes for synthesizing the compounds are also described.

Abstract: A compound selected from the group consisting of a 5,6-dihydro-&agr;-pyrone of formula (I): wherein bond a is oriented either or ; X is O or NH; R1 is selected from the group consisting of: a group R3(O)C— wherein R3 is selected from the group consisting of: (i) a group of formula R4—CH═CH— wherein R4 is C1-C20 alkyl, C2-C20 alkenyl, an aryl group, or a 5- or 6-membered unsaturated heterocyclic ring containing one or two O, N or S atoms, (ii) C2-C20 alkyl; and (iii) an aryl group or a substituent which is a fused ring system of formula (1) or (2):  wherein each of R′ and R″, which are the same or different and may occupy any position on ring a or ring b of said fused ring system, is H or C1-C6 alkyl; a group ArCH2— wherein Ar is an aryl group; and a group R5O—CH2— wherein R5 is C1-C6 alkyl optionally interrupted by one or two O atoms; and R2 is CH3 or, when R1 is a group of formula (A) as defined below, R2 i