(<i>E</i>)-3-(2-(<i>N</i>-Phenylcarbamoyl)vinyl)pyrrole-2-carboxylic Acid Derivatives. A Novel Class of Glycine Site Antagonists
作者:Cesarino Balsamini、Annalida Bedini、Giuseppe Diamantini、Gilberto Spadoni、Andrea Tontini、Giorgio Tarzia、Romano Di Fabio、Aldo Feriani、Angelo Reggiani、Giovanna Tedesco、Roberta Valigi
DOI:10.1021/jm970416w
日期:1998.3.1
biological evaluation of novel (E)-3-(2-(N-phenylcarbamoyl)-vinyl)pyrrole-2-carboxylic acids bearing alkyl, acyl, alkoxy, phenyl, and halo substituents at the 4- and 5-positions of the pyrrole ring are reported. These compounds were studied for their in vitro affinity at the strychnine-insensitive glycine-binding site of the N-methyl-D-aspartate (NMDA) receptor complex. In the [3H]glycine binding assay (E)-4
新型(E)-3-(2-(N-苯基氨基甲酰基)-乙烯基)吡咯-2-羧酸在4-和5-上带有烷基,酰基,烷氧基,苯基和卤素取代基的合成及初步生物学评价报告了吡咯环的位置。研究了这些化合物在N-甲基-D-天冬氨酸(NMDA)受体复合物的对苯丙氨酸不敏感的甘氨酸结合位点的体外亲和力。在[3H]甘氨酸结合测定中,(E)-4,5-二溴-3-(2-(N-苯基氨基甲酰基)乙烯基)吡咯-2-羧酸6w(pKi = 7.95 +/- 0.01)和4-溴5-甲基6j(pKi = 7.24 +/- 0.01)和4,5-二甲基6g(pKi = 6.70 +/- 0.03)类似物是该系列中活性最高的化合物。定性结构活性分析指出C-4和C-5取代基的体积与亲和力之间呈负相关,而卤素取代基增强了亲和力。通过Hansch描述符F,R,pi和MR对pKi>或= 4的化合物子集进行的QSAR分析表明,C-4和C-5处的吸电子基团增