作者:Tetsutaro Mimura、Yasuhisa Nakamura、Junko Nishino、Tadahiro Sawayama、Toshio Komiya、Takashi Deguchi、Atsuko Kita、Hideo Nakamura、Junichi Matsumoto
DOI:10.1021/jm00081a024
日期:1992.2
showed the inhibitory activity comparable to or greater than thiorphan (IC50 = 2.6 nM), a C-terminal carboxyl-containing inhibitor of enkephalinase. Thus compounds containing a C-terminal sulfo group, instead of the C-terminal carboxyl group, were found to show a remarkably high level of inhibition of enkephalinase. The analgesic activity of 10b, (S)-10b, and (R)-10b was also evaluated by the phenylbenzoquinone
合成了一系列新的磺酸,并测试了它们对脑啡肽酶的抑制活性。其中,最有效的是N-(2-苄基-3-巯基丙酰基)偏苯甲酸10i,IC50值为0.27 nM。几种其他类似物(10a,b,j,n,o,gg,hh)显示出与C端含脑啡肽酶的C末端抑制剂硫柳芬(IC50 = 2.6 nM)相当或更高的抑制活性。因此,发现含有C端磺基而不是C端羧基的化合物显示出对脑啡肽酶的抑制作用显着高水平。还通过苯基苯醌扭曲试验评价了10b,(S)-10b和(R)-10b的镇痛活性。