Synthesis of Benzoisoxazole Derivatives and Evaluation of Inhibitory Potency against Cholinesterase for Alzheimer's Disease Therapeutics
作者:Jung-Youl Park、Sujeong Shin、Jae-kwan Kim、Kyoung Chan Park、Jeong Ho Park
DOI:10.1002/bkcs.10891
日期:2016.9
To improve Alzheimer's disease (AD) therapeutics, we have designed and synthesized new benzoisoxazole derivatives that are potent inhibitors of cholinesterase (acetylcholinesterase [AChE] and butyrylcholinesterase [BuChE]). Since inhibition of cholinesterase (ChE) is still considered to be one of the most effective ways of treating AD patients, many new classes of ChE inhibitors have been synthesized
为了改善阿尔茨海默氏病(AD)疗法,我们设计并合成了新的苯并异恶唑衍生物,它们是胆碱酯酶(乙酰胆碱酯酶[AChE]和丁酰胆碱酯酶[BuChE])的有效抑制剂。由于抑制胆碱酯酶(ChE)仍被认为是治疗AD患者最有效的方法之一,因此已经合成了许多新种类的ChE抑制剂。为了鉴定一种新型的胆碱能药物,将利培酮的药效团部分即苯并异恶唑部分与天然抗氧化剂偶联。发现一些苯并异恶唑衍生物(26–28和30)可有效抑制BuChE(IC 50 <20μM),而另一些(20和26–28))以适度抑制AChE(IC 50 <100μM)。此外,与加兰他敏(IC 50 = 8.4± 0.1μM)相比,化合物28对BuChE的抑制活性更好(IC 50 = 0.72± 0.11μM)。具有BuChE抑制活性的新型苯并异恶唑衍生物代表了一类新的ChE抑制剂,可用于制备治疗AD患者的新型化合物衍生物。