Gilead Sciences, Inc.
Crystalline monomesylate salt of 6-(6-aminopyrazin-2-yl)-n-(4-(4-(oxetan-3-yl)piperazin-1-yl)phenyl)imidaz- o[1,2-a]pyrazin-8-amine

Abstract:

The present disclosure relates to compounds that are Syk inhibitors or pharmaceutically acceptable salts or co-crystals thereof, and pharmaceutical compositions thereof, and to their use in the treatment of various disease states, including cancer and inflammatory conditions. In particular embodiments, a Syk inhibitor is a crystalline monomesylate salt of 6-(6-aminopyrazin-2-yl)-N-(4-(4-(oxetan-3-yl)piperazin-1-yl)pheny- l)imidazo-[1,2-a]pyrazin-8-amine of formula 2: ##STR00001##