A study on the reactivity of 3,4-dihydro-2-pyridones 9, derived from (S)-phenylglycinol, toward different bases is presented. Using a catalytic amount of bases, the cis bicyclic lactams were obtained with excellent diastereoselectivities.
提出了对衍生自(S)-苯基甘
氨醇的3,4-二氢-2-
吡啶酮9对不同碱的反应性的研究。使用催化量的碱,可获得具有优异的非对映选择性的顺式双环内酰胺。