One pot solid phase synthesis of 2-substituted 2,3-dihydropyridin-4(1H)-ones on Rinkamide-resin
作者:Michael Sax、Stefanie Berning、Bernhard Wünsch
DOI:10.1016/j.tet.2004.10.031
日期:2005.1
A novel solid phase synthesis of 2-substituted 2,3-dihydropyridin-4(1H)-ones using Rinkamide-polystyrene-resin is described. The key step involves a hetero-Diels–Alder reaction of Danishefsky's diene with solid phase bound imines, which was carefully optimized. Using this method even ketones are transformed into 2,2-disubstituted dihydropyridones.
描述了一种新的使用Rinkamide-聚苯乙烯树脂固相合成2-取代的2,3-二氢吡啶-4(1 H)-的方法。关键步骤涉及Danishefsky的二烯与固相键合的亚胺的杂Diels-Alder反应,该反应经过精心优化。使用该方法,甚至将酮转化为2,2-二取代的二氢吡啶酮。