Quinoxalinone-3-one derivatives as orexin receptor antagonists

摘要

The invention relates to quinoxalinone derivatives of general Formula (I) and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as orexin receptor antagonists. General Formula (I) wherein X and R¹-R⁹ are as defined in the description