Zixiang Li, Rufeng Ye, Qian He, Jiashuo Lu, Yanting Sun, Xiujian Sun, Siyuan Tang, Shuyang Hu, Jingrui Chai, Linghui Kong, Xiaoning Liu, Jing Chen, Yun Fang, Yingjie Lan, Qiong Xie, Jinggen Liu, Liming Shao, Wei Fu, Yujun Wang, Wei Li
Research into kappa opioid receptor (KOR) agonists with attenuated central-nervous-system side effects is a critical focus for developing productive and safe analgesics. Herein, a series of ortho -substituted N -cyclopropylmethyl-7α-phenyl-6,14- endo ethano-tetrahydronorthebaines were designed, synthesized, and subjected to bioassays. Compound 7a exhibited high subtype selectivity and potent agonistic activity toward KOR (KOR, K i = 3.9 nM, MOR/KOR = 270, DOR/KOR = 1075; [35 S]GTPγS binding, EC50 = 3...
April 22, 2024: Journal of Medicinal Chemistry