Sulfonylamino phenylacetamide derivatives of the general formula
1
are disclosed. Pharmaceutical compositions containing the compounds and methods for their use are also disclosed. In certain embodiments, the compounds of the invention that, preferably:
(1) bind with high affinity to &kgr; opioid receptors;
(2) display good opioid receptor selectivity of &kgr; versus &mgr; and &kgr; versus &dgr;; and
(3) do not substantially inhibit cytochrome P450 enzymatic activity, in particular CYP2D6, CYP2C9 and CYP3A4.
揭示了通式1的磺酰
氨基苯乙酰胺衍
生物。还公开了含有这些化合物的药物组合物和它们的使用方法。在某些实施例中,本发明的化合物最好具有以下特征:(1) 与κ阿片受体结合的亲和力高;(2) 在κ与μ受体以及κ与δ受体之间显示良好的阿片受体选择性;以及(3) 不显著抑制细胞色素P450酶的活性,特别是CYP2D6、CYP2C9和CYP3A4。