Substituted <i>N</i>-Phenylisothioureas: Potent Inhibitors of Human Nitric Oxide Synthase with Neuronal Isoform Selectivity
作者:Barry G. Shearer、Shuliang Lee、Jeffrey A. Oplinger、Lloyd W. Frick、Edward P. Garvey、Eric S. Furfine
DOI:10.1021/jm960785c
日期:1997.6.1
has been found to be a potent inhibitor of both the human constitutive and inducible isoforms of nitric oxide synthase. A series of substituted N-phenylisothiourea analogues was synthesized to investigate the structure-activity relationship of this class of inhibitor. Each analogue was evaluated for human isoform selectivity. One analogue, S-ethyl N-[4-(trifluoromethyl)phenyl]isothiourea (39), exhibited
已经发现S-乙基N-苯基异硫脲(4)是一氧化氮合酶的人组成型和诱导型同工型的有效抑制剂。合成了一系列取代的N-苯基异硫脲类似物,以研究这类抑制剂的构效关系。评价每种类似物的人同工型选择性。一种类似物S-乙基N- [4-(三氟甲基)苯基]异硫脲(39)对神经元同工型的诱导选择性和对内皮衍生的组成型同工型的选择性分别为115倍和29倍。研究表明,取代的N-苯基异硫脲39与L-精氨酸竞争性结合。