Abstract: The invention encompasses pyrazolo[1,5-a]pyridine derivatives which selectively inhibit microtubule affinity regulating kinase (MARK) and are therefore useful for the treatment or prevention of Alzheimer's disease. Pharmaceutical compositions and methods of use are also included.

Abstract: The present invention is directed to 2,4,6-substituted pyridyl derivative compounds which are inhibitors of the beta-secretase enzyme and that are useful in the treatment of diseases in which the beta-secretase enzyme is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the treatment of such diseases in which the beta-secretase enzyme is involved.

Abstract: The present invention relates to a novel class of pyridyl and pyrimidinyl derivatives. The pyridyl and pyrimidinyl compounds can be used to treat cancer. The pyridyl and pyrimidinyl compounds can also inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: Compounds of the following formula (I) are inhibitors of microtubule affinity regulating kinase, and hence find use in the treatment of neurodegenerative diseases associated with hyperphosphorylation of tau.

Abstract: The present invention relates to a novel class of benzothiophene amide derivatives. The hydroxamic acid compounds can be used to treat cancer. The benzothiophene amide compounds can also inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: The present invention relates to a novel class of substituted spirocyclic compounds, represented by the following structural Formula: I Wherein A, B and D are independently selected from CR12, NR1a, C(O) and O; E is selected from a bond, CR12, NR1a, C(O) and O; wherein at least one of A, B, D or E is CR12; and provided that when A is O, then E is not O; G is CR12; R is selected from NH2 and OH; These compounds can inhibit histone deacetylase and are suitable for use in selectively inducing termin differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells.

Abstract: Compounds of formula (I). Selectively inhibit production of A?(1-42) and hence find use in treatment of diseases associated with deposition of ?-amyloid in the brain.

Abstract: The present invention relates to a novel class of histone deacetylase inhibitors with aryl-pyrazolyl motifs. The compounds of this invention can be used to treat cancer. The compounds of this invention are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The present invention further provides pharmaceutical compositions comprising the compounds of this invention and safe dosing regimens of these pharmaceutical compositions, which are easy to follow, and which result in a therapeutically effective amount of the compounds of this invention in vivo.

Abstract: The present invention relates to a novel class of substituted spirocyclic compounds, represented by the following structural Formula: I Wherein A, B and D are independently selected from CR12, NR1a, C(O) and O; E is selected from a bond, CR12, NR1a, C(O) and O; wherein at least one of A, B, D or E is CR12; and provided that when A is O, then E is not O; G is CR12; R is selected from NH2 and OH; These compounds can inhibit histone deacetylase and are suitable for use in selectively inducing termin differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells.

Abstract: The present invention is directed to phenylamide and pyridylamide derivative compounds of which are inhibitors of the beta-secretase enzyme and that are useful in the treatment of diseases in which the beta-secretase enzyme is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the treatment of such diseases in which the beta-secretase enzyme is involved.

Abstract: The present invention relates to a novel class of substituted spirocyclic compounds. These compounds can inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: The present invention relates to a novel class of substituted nicotinamides. These compounds can inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: The present invention relates to a novel class of benzothiophene amide derivatives. The hydroxamic acid compounds can be used to treat cancer. The benzothiophene amide compounds can also inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: The present invention relates to a novel class of compounds. These compounds can inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases. The present invention further provides pharmaceutical compositions comprising the compounds of the instant invention and sale dosing regimens of these pharmaceutical compositions, which are easy to follow, and which result in a therapeutically effective amount of these compounds in vivo.

Abstract: The present invention relates to a novel class of fluorinated arylamide derivatives. The instant compounds can be used to treat cancer. The fluorinated arylamide derivatives can also inhibit histone deacetylase and are suitable for use in selectively inducing terminal differentiation, and arresting cell growth and/or apoptosis of neoplastic cells, thereby inhibiting proliferation of such cells. Thus, the compounds of the present invention are useful in treating a patient having a tumor characterized by proliferation of neoplastic cells. The compounds of the invention may also be useful in the prevention and treatment of TRX-mediated diseases, such as autoimmune, allergic and inflammatory diseases, and in the prevention and/or treatment of diseases of the central nervous system (CNS), such as neurodegenerative diseases.

Abstract: Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: or a pharmaceutically acceptable salt thereof, wherein b is NY or O; c is CY2 or N; d is CY3 or N; e is CY4 or N; f is CY5 or N; g is CY6 or N; Y4, Y5, and Y6 are independently hydrogen, C1-4 alkyl, or halogen; Y1 and Y2 are independently hydrogen, C1-4 alkyl, C3-7 cycloalkyl, halogen, NH2, OH or C1-4 alkoxy, and Y3 is hydrogen, C1-4 alkyl, C3-7 cycloalkyl, halogen, —CN, NH2, OH or C1-4 alkoxy; A is and W, W1, R1, R3, R4, R5, X and Z are defined in the specification.

Abstract: Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: or a pharmaceutically acceptable salt thereof, wherein b is N Y1 or O; c is CY2 or N; d is CY2; e is CY1 or N; f is CY1 or N; g is CY1 or N; Y1 is hydrogen, C1-4 alkyl, or halogen; Y2 is hydrogen, C1-4 alkyl, C3-7 cycloalkyl, halogen, NH2, OH or C1-4 alkoxy; A is  and W, X, Z, R3, R4 and R5 are defined in the specification.

Abstract: Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: ##STR1## wherein ##STR2##