Estrogen Receptor-β Potency-Selective Ligands: Structure−Activity Relationship Studies of Diarylpropionitriles and Their Acetylene and Polar Analogues
作者:Marvin J. Meyers、Jun Sun、Kathryn E. Carlson、Gwendolyn A. Marriner、Benita S. Katzenellenbogen、John A. Katzenellenbogen
DOI:10.1021/jm010254a
日期:2001.11.1
than their nitrile counterparts. The polar analogues have lower affinities, and only the fluorinated polar analogues have substantial affinity selectivities. This study suggests that, in this series of ligands, the nitrile functionality is critical to ERbeta selectivity because it provides the optimal combination of linear geometry and polarity. Furthermore, the addition of a second nitrile group beta
通过努力开发对雌激素受体α(ERalpha)和β(ERbeta)具有亚型选择性的新型配体,我们发现2,3-双(4-羟苯基)丙腈(DPN)在两种ER上均充当激动剂亚型,但在与ERalpha相比,用ERbeta进行转录测定时,其相对结合亲和力和相对效价分别高70倍和170倍。为了进一步研究该DPN的ERbeta亲和力和效能选择特性,我们制备了一系列DPN类似物,其中配体核心和芳环均通过酚羟基的重新定位以及烷基取代基和腈基。我们还准备了其他系列的DPN类似物,其中腈官能团被乙炔基或极性官能团取代,分别模拟腈的线性几何形状或极性。在不同程度上,所有类似物均显示出对ERbeta的优先结合亲和力(即,它们对ERbeta亲和力具有选择性),并且许多(但不是全部)与通过ERalpha相比,它们通过ERbeta激活转录的能力更强(即,它们是ERbeta效能选择)。meso-2,3-双(4-羟苯基)琥珀腈和dl-2