Abstract: The present invention relates to pyrazolo[1,5-a]pyrimidine derivatives, compositions comprising an effective amount of a pyrazolo[1,5-a]pyrimidine derivative and methods for treating or preventing cancer, comprising administering to a subject in need thereof an effective amount of a pyrazolo[1,5-a]pyrimidine derivative.

Abstract: The present invention is directed to radiolabeled 3-cyanoquinolines of the formula: and methods of synthesizing the same, wherein G1, G2 R1, R4, Z, X, and n are as defined herein. The present invention is also directed to a radiolabeled intermediate compounds of formula (VII): wherein PG, G1, R1, R4, R10, and R11 are as defined herein, and synthesis of the same.

Abstract: This invention provides compounds of formula 1, having the structure which are useful as inhibitors of protein tyrosine kinase and are antiproliferative agents.

Abstract: This invention relates to a method for the regioselective synthesis of 4,6,7,8-substituted benzo[g]quinoline-3-carbonitriles and 4,6,7,8-substituted benzo[g]quinazolines as well as intermediates thereof. The compounds derived from this invention are useful for the treatment of a variety of diseases that are a result of deregulation of these PTK's, and more specifically, are anti-cancer agents and are useful for the treatment of cancer in mammals. In addition, the compounds derived from this invention are useful for the treatment of polycystic kidney disease in mammals.

Abstract: This invention provides a compound of Formula 1 where Ar, X, R1, R2, R3, and R4 are defined herein, or a pharmaceutically acceptable salt thereof useful in the prevention or inhibition of diseases associated with the Ras/Raf/MEK signaling cascade in a mammal, such as neoplasms, strokes, osteoporosis, cancer, rheumatoid arthritis, inflammatory disease, polycystic kidney disease, and colonic polyps, and methods of making the compounds of formula 1 and intermediates.