The regioselective aza Diels–Alder reactions of isopropenyl pyrimidinone with N-arylimines in the presence of Y/Sc triflates as catalyst are described. An unprecedented oxidation of methylene to carbonyl occurred resulting in exclusive formation of 6-oxo-1,6-dihydropyrimidin-5-yl-4H-quinolin-3-one derivatives.
描述了在Y / Sc
三氟甲磺酸酯为催化剂的情况下,异
丙烯基
嘧啶酮与N-芳基丙
氨酸的区域选择性氮杂Diels-Alder反应。发生前所未有的亚甲基氧化为羰基的反应,导致6-oxo-1,6-dihydropyrimidin-5-yl-4 H -quinolin-3-one衍
生物的排他性形成。