Design and synthesis of a novel series of orally active, selective somatostatin receptor 2 agonists for the treatment of type 2 diabetes
作者:Yoshihiro Banno、Shigekazu Sasaki、Makoto Kamata、Jun Kunitomo、Yasufumi Miyamoto、Hidenori Abe、Naohiro Taya、Satoru Oi、Masanori Watanabe、Tomoko Urushibara、Masatoshi Hazama、Shin-ichi Niwa、Saku Miyamoto、Akira Horinouchi、Ken-ichi Kuroshima、Nobuyuki Amano、Shin-ichi Matsumoto、Shinichiro Matsunaga
DOI:10.1016/j.bmc.2017.09.031
日期:2017.11
The discovery of a novel series of β-methyltryptophan (β MeTrp) derivatives as selective and orally active non-peptide somatostatin receptor 2 (SSTR2) agonists for the treatment of Type 2 diabetes is described. In our previous research, Compound A, β-MeTrp derivative with highly potent and selective SSTR2 agonistic activity IC50 (SSTR2/SSTR5) = 0.3/>100 (nM), was identified as a drug candidate for
描述了发现一系列新型的β-甲基色氨酸(βMeTrp)衍生物作为选择性和口服活性非肽生长抑素受体2(SSTR2)激动剂,用于治疗2型糖尿病。在我们之前的研究中,化合物A,β-MeTrp衍生物具有强效的选择性SSTR2激动活性IC 50(SSTR2 / SSTR5)= 0.3 /> 100(nM)被确定为治疗2型糖尿病的候选药物,该药物可显着降低Wistar脂肪大鼠口服中的血浆葡萄糖水平。然而,由于在大鼠的毒理学研究中观察到AUC和磷脂病(PLsis)的严重增加,因此根据在HepG2中磷脂积累的基础上评估的体外PLsis潜力,对后续化合物进行了研究以避免PLsis的风险暴露于化合物的细胞。 已经发现将羰基引入化合物A和B的哌啶和哌嗪或苯胺部分上显着降低了体外PLsis电位。化合物的进一步修饰及其评估导致发现具有较低体外PLsis电位的化合物3k,其在SD大鼠中表现出低血糖诱导的胰高血糖素分泌降低的作用(ED