Structure-Activity Relationships of 2-(Benzothiazolylthio)acetamide Class of CCR3 Selective Antagonist
作者:Akira Naya、Kensuke Kobayashi、Makoto Ishikawa、Kenji Ohwaki、Toshihiko Saeki、Kazuhito Noguchi、Norikazu Ohtake
DOI:10.1248/cpb.51.697
日期:——
The structure activity relationships of novel selective CCR3 receptor antagonists, 2-(benzothiazolylthio)acetamimde derivatives were described. A lead structure (1a) was discovered from the screening of the focused library that was based on the structure of our dual antagonists for the human CCR1 and CCR3 receptors. Derivatization of 1a including incorporation of substituent(s) into each benzene ring of the benzothiazole and piperidine side chain resulted in the identification of potent and selective compounds (1b, r, s) exhibiting nano-molar binding affinity (IC50s: 1.5—3.0 nM) and greater than 800-fold selectivity for the CCR3 receptor over the CCR1 receptor.
描述了新型选择性CCR3受体拮抗剂的结构-活性关系,2-(苯并噻唑基硫)乙酰胺衍生物。通过筛选基于我们的人类CCR1和CCR3受体双拮抗剂结构的专注文库,发现了一种领先结构(1a)。1a的衍生化,包括在苯并噻唑和哌啶侧链的每个苯环中引入取代基,结果识别出具有强效和选择性的化合物(1b、r、s),表现出纳摩尔结合亲和力(IC50:1.5—3.0 nM)并且对CCR3受体的选择性超过CCR1受体800倍以上。