Proline imidazolidinones and enamines in Hajos–Wiechert and Wieland–Miescher ketone synthesis
作者:Ángel L. Fuentes de Arriba、Luis Simón、César Raposo、Victoria Alcázar、Joaquín R. Morán
DOI:10.1016/j.tet.2009.04.050
日期:2009.6
from the acid chloride of proline hydrochloride and anilines induce large enantiomeric excesses in intramolecular aldol condensations. Imidazolidinones derived from the reaction of the catalyst and enamines have been found as intermediates in these reactions.
从脯氨酸盐酸盐的酰氯和苯胺获得的现成的芳香族脯氨酰胺在分子内羟醛缩合中引起大量的对映体过量。已经发现衍生自催化剂和烯胺的反应的咪唑烷酮是这些反应的中间体。