[EN] PHOSPHODIESTERASE INHIBITOR TYPE 5 (PDE 5), AND PREPARATION METHOD AND APPLICATION THEREOF<br/>[FR] INHIBITEUR DE LA PHOSPHODIESTÉRASE DE TYPE 5 (PDE 5), PROCÉDÉ DE PRÉPARATION ET APPLICATION ASSOCIÉS<br/>[ZH] 5型磷酸二酯酶抑制剂及其制备方法和用途
申请人:UNIV SHANDONG
公开号:WO2019000504A1
公开(公告)日:2019-01-03
提供了一种5型磷酸二酯酶抑制剂、其制备方法及在用于制备治疗、缓解或预防哺乳动物与PDE5相关的疾病或疾病状态的药物中的用途。该化合物的结构式为 I 或 II 。该化合物制备方法简单,反应条件温和,原料廉价易得,制备得到抑制剂靶点明确,安全性高,活性效果突出,在制备治疗与PDE5相关的疾病特别是男性勃起功能障碍(MED)或肺动脉高压(PAH)的药物中具有很好的应用前景。
Design and synthesis of furyl/thineyl pyrroloquinolones based on natural alkaloid perlolyrine, lead to the discovery of potent and selective PDE5 inhibitors
Based on perlolyrine (1), a natural alkaloid with weak PDE5 potency from the traditional Chinese aphrodisiac plant Tribulus terrestris L., a series alpha-substituted tetrahydro-beta-carboline (TH beta C) derivatives were synthesized via T(+)BF4(-)-mediated oxidative C-H functionalization of N-aryl TH beta Cs with diverse potassium trifluoroborates. Following Winterfeldt oxidation afforded the corresponding furyl/thienyl pyrroloquinolones, of which 5-ethylthiophene/ethylfuran derivatives 20a-b were identified as the most potent and selective PDE5 inhibitors. Among the enantiomers, (S)-20a and (S)-20b (IC50 = 0.52 and 0.39 nM) were found to be more effective than their (R)-antipode, display favorable pharmacokinetic profiles, exert in vitro vasorelaxant effects on the isolated thoracic aorta, and exhibit in vivo efficacy in the anesthetized rabbit erectile model. (C) 2018 Elsevier Masson SAS. All rights reserved.
Foye, William O.; Wang, Xiping; Hongfu, Wang, Medicinal Chemistry Research, 1997, vol. 7, # 3, p. 180 - 191