Abstract: A series of heteroaryl-substituted quinoxaline and quinoline derivatives, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions, said substituted derivatives having the general formula

Abstract: A series of 6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.

Abstract: A series of 5,5-dimethyl-5,6-dihydro-1,3-benzothiazol-7(4H)-one and 7,7-dimethyl-5,6,7,8-tetrahydro-4H-[1,3]thiazolo[5,4-c]azepin-4-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted benzofused morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions. Formula (I).

Abstract: A series of heteroaryl-substituted quinoxaline and quinoline derivatives, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.

Abstract: A series of 5,6-dihydro-1,3-benzothiazol-7(4H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PD kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.

Abstract: A series of 6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.

Abstract: A series of 5,5-dimethyl-5,6-dihydro-1,3-benzothiazol-7(4H)-one and 7,7-dimethyl-5,6,7,8-tetrahydro-4H-[1,3]thiazolo[5,4-c]azepin-4-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted benzofused morpholin-4-yl moiety, being selective inhibitors of PI3 kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions. Formula (I).

Abstract: A series of 5,6-dihydro-1,3-benzothiazol-7(4H)-one derivatives, and analogues thereof, which are substituted in the 2-position by an optionally substituted morpholin-4-yl moiety, being selective inhibitors of PD kinase enzymes, are accordingly of benefit in medicine, for example in the treatment of inflammatory, autoimmune, cardiovascular, neurodegenerative, metabolic, oncological, nociceptive or ophthalmic conditions.

Abstract: Quinolone derivatives of formula (1) are described: 1

Abstract: A compound of the formula wherein R1 is C1-3 alkyl optionally substituted with one or more fluorines; R2 is C1-6 alkyl, cycloalkyl or NR4R5; R3 is a pyrazole, imidazole or isoxazole group of partial formula (A), (B) or (C) NR4R5 is a nitrogen-containing heterocyclic ring; R6 is C1-3 alkyl; and R7 and R8, which are the same or different, each represents C1-3 alkyl, halogen, CF3 or CN; or a pharmaceutically-acceptable salt thereof.

Abstract: Compounds that are inhibitors of phosphodiesterase and have therapeutic utility, are of formula (i) wherein R1 is C3-6 cycoalkyl, or C1-3 alkyl optionally substituted with one or more fluorine atoms; R2 is C1-6 alkyl, C3-6 cycloalkyl, CF3, CH2CF3, C2F5 or NR4R5; R3 is a pyrazole, imidazole or isoxazole group of partial formula (A), (B) or (C) NR4R5 is a nitrogen-containing heterocyclic ring; R6 is C1-3 alkyl; and R7 and R8, which are the same or different, are each H, C1-3 alkyl, halogen, CF3 or CN, provided that both are not H; or a pharmaceutically-acceptable salt thereof

Abstract: 1-Alkyl-substituted-quinolone-3-carboxamides have therapeutic utility via inhibition of Phosphodiesterase IV esterase and/or Tumour Necrosis Factor activity. The compounds of the invention have the general formula (I): ##STR1## The compounds of the invention encompassed by formula (I) include enantiomers, diastereoisomers and mixtures, including racemic mixtures.

Abstract: 1-Alkyl-substituted-quinolone-3-carboxamides have therapeutic utility via inhibition of Phosphodiesterase IV esterase and/or Tumor Necrosis Factor activity.