Synthesis and evaluation of in vivo anti‐hypothermic effect of all stereoisomers of the thyrotropin‐releasing hormone mimetic: Rovatirelin Hydrate
作者:Naotake Kobayashi、Norihito Sato、Katsuji Sugita、Kouji Takahashi、Tamio Sugawara、Yukio Tada、Takayoshi Yoshikawa
DOI:10.1002/psc.3228
日期:2019.12
hormone (TRH) mimetic: (4S,5S)‐5‐methyl‐N‐(2S)‐1‐[(2R)‐2‐methylpyrrolidin‐1‐yl]‐1‐oxo‐3‐(1,3‐thiazol‐4‐yl)propan‐2‐yl}‐2‐oxo‐1,3‐oxazolidine‐4‐carboxamide 1 (rovatirelin). The central nervous system (CNS) effect of rovatirelin after intravenous (iv) administration is 100‐fold higher than that of TRH. As 1 has four asymmetric carbons in its molecule, there are 16 stereoisomers. We synthesized and evaluated
我们发现了口服活性促甲状腺激素释放激素(TRH)模拟物:(4 S,5 S)-5-甲基-N -(2 S)-[[(2 R)-2-甲基吡咯烷酮-1-基]] -1-氧代-3-(1,3-噻唑-4-基)丙-2-基} -2-氧代-1,3-氧唑烷-4-羧酰胺1(罗替瑞林)。静脉内(iv)给药后,罗非瑞林对中枢神经系统(CNS)的作用比TRH高100倍。由于1在其分子中具有四个不对称碳,因此有16个立体异构体。我们合成并评估了1(具有(4 S),(5 S),(2 S),(2R)从N端到C端的构型,以阐明立体异构体的结构活性关系(SAR)。(4 R),(5 R),(2 R),(2 S)-异构体16没有显示出任何抗低温作用。只有(4 S),(5 S),(2 S),(2 S)异构体10在C末端具有(2 S)-2-甲基吡咯烷部分,其抗低温作用类似于1。立体异构体,在N端具有恶唑烷酮的(5 R)构型和(2 R在中间