A process for preparing pyrimido[4,5-g]pteridine-2,4,7,9-tetraol, or a salt thereof, is provided. A process for the preparation of 3,6-diaminopyrazine-2,5-dicarboxylic acid, or a salt thereof, from pyrimido[4,5-g]pteridine-2,4,7,9-tetraol, or a salt thereof, is further provided. A process for preparing a substituted pteridine compound, or a salt thereof, is further provided. A process for the preparation of a N-substituted 3,6-diaminopyrazine-2,5-dicarboxylic acid from a substituted pteridine compound, or a salt thereof, is further provided.

A process for preparing pyrimido[4,5-g]pteridine-2,4,7,9-tetraol, or a salt thereof, is provided. A process for the preparation of 3,6-diaminopyrazine-2,5-dicarboxylic acid, or a salt thereof, from pyrimido[4,5-g]pteridine-2,4,7,9-tetraol, or a salt thereof, is further provided. A process for preparing a substituted pteridine compound, or a salt thereof, is further provided. A process for the preparation of a N-substituted 3,6-diaminopyrazine-2,5-dicarboxylic acid from a substituted pteridine compound, or a salt thereof, is further provided.

The present application provides compounds, such as compounds of Formula Ia, which are inhibitors of aminoacyl tRNA-synthetase (e.g., prolyl-tRNA-synthetase), and which are useful for treating disorders associated with aminoacyl tRNA-synthetase activity and/or expression. Pharmaceutical compositions comprising the compounds and methods of using the compounds are also provided. ##STR00001##

The present application provides compounds, such as compounds of Formula Ia, which are inhibitors of aminoacyl tRNA-synthetase (e.g., prolyl-tRNA-synthetase), and which are useful for treating disorders associated with aminoacyl tRNA-synthetase activity and/or expression. Pharmaceutical compositions comprising the compounds and methods of using the compounds are also provided. ##STR00001##

Provided herein are compounds, such as compounds for use in treating cancer. Also provided are methods of treating cancer, including treatment resistant cancer or cancer associated with a hypoxic tumor.

Provided herein are compounds, such as compounds for use in treating cancer. Also provided are methods of treating cancer, including treatment resistant cancer or cancer associated with a hypoxic tumor.

This application relates to compounds of Formula (I):

##STR00001##

or pharmaceutically acceptable salts thereof, which are inhibitors of PI3K-γ which are useful for the treatment of disorders such as autoimmune diseases, cancer, cardiovascular diseases, and neurodegenerative diseases.

The present invention provides compounds useful in treating or preventing inflammation, acne, bacterial conditions and promoting the appearance of healthy skin and compositions including these compounds.

The present invention provides compounds useful in treating or preventing inflammation, acne, bacterial conditions and promoting the appearance of healthy skin and compositions including these compounds.

Some embodiments of the invention include inventive compounds (e.g., compounds of Formula (I) or (Ia)). Other embodiments include compositions (e.g., pharmaceutical compositions) comprising the inventive compound. Still other embodiments of the invention include compositions (e.g., pharmaceutical compositions) for treating, for example, certain diseases or nerve injury using the inventive compounds. Some embodiments include methods of using the inventive compound (e.g., in compositions or in pharmaceutical compositions) for administering and treating (e.g., for treating disease, such as multiple sclerosis (MS), or for treating nerve damage). Further embodiments include methods for making the inventive compounds. Additional embodiments of the invention are also discussed herein.