Hebei Medical University

Peking University

Hailin Zhang

Qingzhong Jia

Xiaona Du

Jinlong Qi

Wen Xu

Kewei Wang

Yi Mi

Fan Zhang

Diqun Zhang

Yan Fu

Yibing Wu

Han Hao

Shuangge Yang

A 4-(p-trifluoromethylbenzyl)-3-fluoro-1,2,4-triphenylamine derivative, a pharmaceutical composition and applications thereof are disclosed. The general chemical formula of the derivative is shown in formula I, where, R is a C-Calkyl group, a cycloalkyl group, a heteroatom-containing cycloalkyl group, an aryl group or a heteroatom-containing aryl group, the heteroatom is selected from N or O, and the n is 0, 1, 2 or 3. The pharmaceutical composition contains any one of the above-mentioned 4-(p-trifluoromethylbenzyl)-3-fluoro-1,2,4-triphenylamine derivatives as an active ingredient, and one or more pharmaceutically acceptable carriers. The derivative and the pharmaceutical composition activate KCNQ channel currents. Thus, the derivative can be applied to prepare a KCNQ potassium channel opener, and can be used as the active ingredients of an antiepileptic pharmaceutical preparation, an antianxiety pharmaceutical preparation and a neuropathic pain-relieving pharmaceutical preparation.

4-(p-trifluoromethylbenzyl)-3-fluoro-1,2,4-triphenylamine derivative and pharmaceutical composition and applications thereof

The present invention provides new pyrazol-[1,5-a]-pyrimidone derivates and pharmaceutical compositions comprising said compounds and one or more pharmaceutically acceptable carriers or diluents. The uses of the compounds for the manufacture of potassium channel openers, anti-epilepsy medicaments, anti-anxiety medicaments and analgesic medicaments are also provided in the present invention.

Pyrazolo [1,5-a]-pyrimidones derivatives and pharmaceutical compositions and uses thereof

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Shijiazhuang, China

Hailin Zhang