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 R
1
-R
9
are as defined in the description
该发明涉及通式(I)的
喹喔啉酮衍
生物及其作为制备药物组分的活性成分的使用。该发明还涉及相关方面,包括制备该化合物的过程,含有其中一种或多种化合物的药物组合物,特别是它们作为促进睡眠荷尔蒙受体拮抗剂的用途。通式(I)中X和R1-R9如说明中所定义。