Syntheses of four new pyrimidone analogues of the acetylcholinesterase (AChE) inhibitor huperzine A are reported together with the inhibitory potencies of these compounds for foetal bovine calf serum AChE; β-lactone formation followed by a thermal cycloreversion reaction serves as the key step for introduction of the ethylidene appendage of 12 in the stereochemically correct form.
报道了四种新型
吡啶酮类乙酰胆碱酯酶(AChE)
抑制剂石杉碱甲类似物的合成,并测定了它们对胎牛血清AChE的抑制活性;通过β-内酯的形成及其随后的热环反转反应,作为关键步骤引入立体
化学正确的12乙叉基取代基。