Design, Synthesis of Novel, Potent, Selective, Orally Bioavailable Adenosine A<sub>2A</sub>Receptor Antagonists and Their Biological Evaluation
作者:Sujay Basu、Dinesh A. Barawkar、Sachin Thorat、Yogesh D. Shejul、Meena Patel、Minakshi Naykodi、Vaibhav Jain、Yogesh Salve、Vandna Prasad、Sumit Chaudhary、Indraneel Ghosh、Ganesh Bhat、Azfar Quraishi、Harish Patil、Shariq Ansari、Suraj Menon、Vishal Unadkat、Rhishikesh Thakare、Madhav S. Seervi、Ashwinkumar V. Meru、Siddhartha De、Ravi K. Bhamidipati、Sreekanth R. Rouduri、Venkata P. Palle、Anita Chug、Kasim A. Mookhtiar
DOI:10.1021/acs.jmedchem.6b01584
日期:2017.1.26
identification of compound 25 as a potent and selective A2A adenosine receptor (A2AAdoR) antagonist with reasonable ADME and pharmacokinetic properties. However, poor intrinsic solubility and low to moderate oral bioavailability made this series unsuitable for further development. Further optimization using structure-based drug design approach resulted in discovery of potent and selective adenosine A2A receptor
我们对7位-甲氧基-4-吗啉代-苯并噻唑衍生物在2位上具有特征性的芳氧基-2-甲基丙酰胺部分的初步构效关系研究导致将化合物25鉴定为有效且选择性的A 2A腺苷受体(A 2A AdoR )具有合理ADME和药代动力学特性的拮抗剂。但是,固有溶解性差和口服生物利用度低至中等,使得该系列不适合进一步开发。使用基于结构的药物设计方法进行的进一步优化导致发现了有效和选择性的腺苷A 2A受体拮抗剂在苯并噻唑支架的2位带有取代的1-甲基环己基甲酰胺基,具有更好的溶解度和口服生物利用度。化合物41和49在体外ADME特性方面表现出许多积极的特性。两种化合物在大鼠中均表现出良好的药代动力学性质,口服生物利用度分别为63%和61%。此外,化合物49在帕金森氏病的6-OHDA损伤的大鼠模型中显示出口服功效。