Abstract: The present invention is directed to certain isoquinolin-1(2H)-one compounds, useful as PDE10 inhibitors, having the formula: where R1, R2, R3, R4 and R5 are as defined herein, pharmaceutical compositions containing such compounds and processes for preparing such compounds. The invention is also directed to methods of treating diseases mediated by PDE10, such as obesity, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.

Abstract: The present invention comprises a new class of compounds capable of modulating the c-kit receptor and, accordingly, useful for treatment of c-kit mediated diseases, including various inflammatory, fibrotic and/or mast cell mediated diseases such as mastocytosis. The compounds have a general Formula I wherein A0-3 and R1-6 are defined herein. The invention further comprises pharmaceutical compositions, methods for treatment of c-kit mediated diseases, and intermediates and processes useful for the preparation of compounds of the invention.

Abstract: The present invention comprises a new class of compounds capable of modulating the c-kit protein kinase and, accordingly, useful for treatment of c-kit mediated diseases including, without limitation, autoimmune disease, allergies, mastcytosis, mast cell related tumors and various fibrotic diseases. The compounds have a general Formula I wherein R1-5, X, Y and Z are defined herein. The invention further comprises pharmaceutical compositions, methods for treatment of c-kit mediated diseases, and intermediates and processes useful for the preparation of compounds of the invention.

Abstract: The present invention is directed to certain cinnoline compounds that are PDE10 inhibitors, pharmaceutical compositions containing such compounds and process for preparing such compounds. This invention is also directed to methods of treating diseases treatable by inhibition of PDE10 enzyme, such as obesity, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.

Abstract: The present invention comprises a new class of compounds useful for the prophylaxis and treatment of protein kinase mediated diseases, including autoimmune disease and inflammation. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, L, R1, R2 and R3 are defined herein. The invention also comprises pharmaceutical compositions including one or more compounds of the present invention, methods of use such as treatment of Lck and/or c-Kit kinase mediated diseases by administering the compounds of the invention, or compositions including one or more compounds of the invention, and intermediates and processes useful for the preparation of compounds of the present invention.