The present invention relates to a novel 1,4-disubstituted piperazine derivatives of Formula I,
1
and their pharmaceutically acceptable acid addition salts having excellent uro-selective &agr;
1
-adrenoceptor antagonistic activity exceeding those of previously described compounds. The compounds of the present invention hold promise for treating the symptoms of benign prostatic hyperplasia (BPH). The invention also relates to methods for making the novel compounds, pharmaceutical compositions containing the compounds, and method of treating the symptoms of benign prostatic hyperplasia using the compounds.
本发明涉及一种新的1,4-二取代
哌嗪衍
生物I式及其药学上可接受的酸盐,具有优异的尿路选择性α1-
肾上腺素受体拮抗活性,超过了先前描述的化合物。本发明的化合物有望用于治疗良性前列腺增生症(BPH)的症状。本发明还涉及制备新化合物的方法,含有该化合物的制药组合物,以及使用该化合物治疗良性前列腺增生症状的方法。