Synthesis and structure activity relationships of carbamimidoylcarbamate derivatives as novel vascular adhesion protein-1 inhibitors
作者:Susumu Yamaki、Hiroyoshi Yamada、Akira Nagashima、Mitsuhiro Kondo、Yoshiaki Shimada、Keitaro Kadono、Kosei Yoshihara
DOI:10.1016/j.bmc.2017.09.036
日期:2017.11
moderate VAP-1 inhibitors with excellent aqueous solubility. Further optimization led to the identification of 2-fluoro-3-3-[(6-methylpyridin-3-yl)oxy]azetidin-1-yl}benzyl carbamimidoylcarbamate (40b), which showed similar human VAP-1 inhibitory activity to 1 with improved aqueous solubility. 40b showed more potent ex vivo efficacy than 1, with rat plasma VAP-1 inhibitory activity of 92% at 1 h after
血管粘附蛋白1(VAP-1)是治疗糖尿病性肾病的有希望的治疗靶标。在这里,我们对甘氨酸酰胺衍生物1进行了结构优化,我们先前曾报道过它是一种新型VAP-1抑制剂,以改善狗和猴血浆中的稳定性以及水溶性。通过化学修饰甘氨酸酰胺衍生物的右侧部分,我们鉴定出了氨基甲酰氨基甲酸酯衍生物20c,该衍生物在犬和猴血浆中显示出稳定性,同时保持了VAP-1抑制活性。我们还发现,在20 ℃下将嘧啶环转化成饱和环对于改善水溶性是有效的。这导致鉴定出28a和35作为中度VAP-1抑制剂,具有优异的水溶性。进一步的优化导致鉴定出2-氟-3- 3-[(6-甲基吡啶基-3-基)氧基]氮杂环丁烷-1-基}苄基氨基甲酰氨基甲酸酯(40b),与人VAP-1的抑制活性相似。1具有改善的水溶性。40b显示出比1更有效的离体效力,口服0.3 mg / kg后1 h大鼠血浆VAP-1抑制活性为92%。在我们的药代动力学研究中,40b