Abstract: Compounds of formula (I), and salts, N-oxides, hydrates and solvates thereof are histone deacetylase inhibitors and are useful in the treatment of cell proliferative diseases, including cancers: wherein Q, V and W independently represent —N? or —C?; B is a divalent radical selected from (B1), (B2), (B3), (B4), (B5) and (B6). wherein the bond marked * is linked to the ring containing Q, V and W through -[Linker1]- and the bond marked ** is linked to A through -[Linker2]-; A is an optionally substituted mono-, bi- or tri-cyclic carbocyclic or heterocyclic ring system; -[Linker1]- and -[Linker2]- independently represent a bond, or a divalent linker radical; and R is (a) a radical of formula R1R2CHNH—Y-L1-X1—(CH2)z— or (b) a radical of formula R-L1-Y1—(CH2)z—.

Abstract: Compounds of formula (I) inhibit HDAC activity, wherein A, B and D independently represent ?C— or ?N—; W is a divalent radical —CH?CH— or CH2CH2—; R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular carboxyesterase enzymes to a carboxylic acid group; R2 is the side chain of a natural or non-natural alpha amino acid; z is 0 or 1; and Y, L1, and X1 are as defined in the claims.

Abstract: Compounds of formula (I) inhibit HDAC activity: wherein A, B and D independently represent ?C— or ?N—; W is a divalent radical —CH?CH— or CH2CH2—; R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular carboxyesterase enzymes to a carboxylic acid group; R2 is the side chain of a natural or non-natural alpha amino acid; z is 0 or 1; and Y, L1, and X1 are as defined in the claims.

Abstract: Compounds of formula (IA) or (IB) are inhibitors of IkB kinase (IKK) activity, and are useful in the treatment of autoimmune and inflammatory diseases: wherein R7 is hydrogen or optionally substituted (C1-C6)alkyl; ring A is an optionally substituted aryl or heteroaryl ring of 5-13 ring atoms; Z is a radical of formula R-L1-Y1—(CH2)z—, wherein: z is 0 or 1; R is a radical of formula (X) or (Y) R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular esterase enzymes to a carboxylic acid group; R6 is hydrogen, or optionally substituted C1-C6 alkyl, C3-C7 cycloalkyl, aryl or heteroaryl or —(C?O)R3, —(C?O)OR3, or —(C?O)NR3 wherein R3 is hydrogen or optionally substituted (C1-C6)alkyl; Y1 is a bond, —(C?O)—, —S(O2)—, —C(?O)O—, —OC(?O)—, —(C?O)NR3—, —NR3(C?O)—, —S(O2)NR3—, —NR3S(O2)—, or —NR3(C?O)NR4—, wherein R3 and R4 are independently hydrogen or optionally substituted (C1-C6)alkyl, L1 is a divalent linker radical of formula -(Alk1)m(Q)n(Alk2)p- wherei

Abstract: Compounds of formula (I) are inhibitors of p38 MAP kinase, and are therefore of utility in the treatment of, inter alia, inflammatory conditions including rheumatoid arthritis and COPD: wherein: G is —N? or —CH?; D is an optionally substituted divalent mono- or bi-cyclic aryl or heteroaryl radical having 5-13 ring members; R6 is hydrogen or optionally substituted C1-C3 alkyl; P represents hydrogen and U represents a radical of formula (IA); or U represents hydrogen and P represents a radical of formula -A-(CH2)z—X1-L1-Y—NH—CHR1R2 wherein A represents an optionally substituted divalent mono- or bicyclic carbocyclic or heterocyclic radical having 5-13 ring members; z, Y, L1, and X1 are as defined in the specification; R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular esterase enzymes to a carboxylic acid group; and R2 is the side chain of a natural or non-natural alpha amino acid.

Abstract: Compounds of formula (I) are inhibitors of P13 kinase activity, and useful in treatment of, inter alia, autoimmune, inflammatory and proliferative diseases: wherein: s is 0 or 1; U is hydrogen or halogen; X is —(C?O), an optionally substituted divalent phenylene, pyridinylene, pyrimidinylene, or pyrazinylene radical, or a bond; P is optionally substituted C1-C6 alkyl and Z is —(CH2)Z—X1-L1-NHCHR1R2; or Z is optionally substituted C1-C6 alkyl and P is —(CH2)Z—X1-L1-NHCHR1R2; R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular carboxylesterase enzymes to a carboxylic acid group; R2 is the side chain of a natural or non-natural alpha amino acid; X1 is (i) a bond; —NR4C(?O)NR5— or —NR4S(?O)2—; or except when X is —(C?O)— (ii) —C(?O)—, —S(?O)2—, or —S(?O)2NR4— wherein R4 and R5 are independently hydrogen or optionally substituted C1-C6 alkyl; and z and L1 are as defined in the specification.

Abstract: Compounds of formula (I) are inhibitors of p38 MAP kinase, and are therefore of utility in the treatment of, inter alia, inflammatory conditions including rheumatoid arthritis and COPD: wherein: G is —N? or —CH?; B is an optionally substituted divalent mono- or bicyclic aryl or heteroaryl radical having 5-13 ring members; R2 is hydrogen or optionally substituted C1-C3 alkyl; P represents hydrogen and U represents a radical of formula (IA); or U represents hydrogen and P represents a radical of formula -A-(CH2)z-L1-Y1—R wherein A, z, Y1, and L1 are as defined in the specification; R is a radical of formula (X) or (Y) wherein R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular carboxylesterase enzymes to a carboxylic acid group; R4 is hydrogen; or optionally substituted C1-C6 alkyl, C3-C7cycloalkyl, aryl or heteroaryl or —(C?O)R3, —(C?O)OR3, or —(C?O)NR3 wherein R3 is hydrogen or optionally substituted (C1-C6)alkyl; and D is a monocyclic heterocycl

Abstract: Compounds of formula (I) are inhibitors of p38 MAP kinase, and are therefore of utility in the treatment of, inter alia, inflammatory conditions including rheumatoid arthritis and COPD: wherein: G is —N? or —CH?; D is an optionally substituted divalent mono- or bi-cyclic aryl or heteroaryl radical having 5-13 ring members; R6 is hydrogen or optionally substituted C1-C3 alkyl; P represents hydrogen and U represents a radical of formula (IA); or U represents hydrogen and P represents a radical of formula -A-(CH2), —X1-L1-Y—NH—CHR1R2 wherein A represents an optionally substituted divalent mono- or bicyclic carbocyclic or heterocyclic radical having 5-13 ring members; z, Y, L1, and X1 are as defined in the specification; R1 is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular esterase enzymes to a carboxylic acid group; and R2 is the side chain of a natural or non-natural alpha amino acid.