PYRAZINE COMPOUNDS AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The present invention relates to compound of formula (I) and pharmaceutically acceptable salts, solvates and crystalline forms thereof, in which R¿1< represents cyclohexyl, 1-piperidinyl or phenyl; R¿2? represents H, chloro, bromo, methyl or methoxy; and when R¿3? represents H, R¿4? represents H or chloro; and when R¿3? represents chloro, R¿4? represents H or chloro; to processes for preparing such compounds, to their use in the treatment of obesity, psychiatric and neurological disorders particularly obesity, to methods for their therapeutic use and to pharmaceutical compositions containing them.