Novel indanone derivatives as MAO B/H3R dual-targeting ligands for treatment of Parkinson’s disease
作者:Anna Affini、Stefanie Hagenow、Aleksandra Zivkovic、Jose Marco-Contelles、Holger Stark
DOI:10.1016/j.ejmech.2018.02.015
日期:2018.3
3-dihydro-1H-inden-1-one, MAO B IC50 = 276 nM, hH3R Ki = 6.5 nM) showed highest preference for MAO B over MAO A (SI > 36). Interestingly, IC50 determinations after preincubation of enzyme and DTLs revealed also nanomolar MAO B potency for 3e (MAO B IC50 = 232 nM), a structural isomer of 3f, and 3d (MAO B IC50 = 541 nM), suggesting time-dependent inhibition modes. Reversibility of inhibition for all three compounds
在过去的几十年中,设计了多靶点配体,将其作为帕金森氏病(PD)和其他神经退行性疾病的创新治疗方案。由于单胺氧化酶B(MAO B)和组胺H 3受体(H 3 R)是多巴胺能调节的有希望的靶标,因此我们合成了双重靶向配体(DTL)作为非多巴胺能受体的PD治疗方法。通过将H 3 R药效团连接到与茚满酮相关的MAO B图案上,开发了三个系列的化合物,从而开发了MAO B / H 3 R DTL。在合成的茚满酮DTL中,带有2-亚苄基-1-茚满酮核心结构的化合物显示出MAO B更喜欢抑制能力以及纳摩尔hH 3。R亲和力。用亲脂性取代基取代2-亚苄基-1-茚满酮的C5和C6位置显示了三个有前途的候选物,它们对MAO B表现出抑制潜能,IC 50值介于1931 nM至276 nM之间,并且在hH 3 R(K i < 50 nM)。化合物3f((E)-5-((4-溴苄基)氧基)-2-(4-(3-(哌啶-1-基)丙氧基)亚苄基)-2