DielsâAlder cycloadditions of chiral acrylamides with cyclopentadiene proceed with high diastereofacial selectivity, giving either endo-R to endo-S products depending of the Lewis acid used.
手性
丙烯酰胺与
环戊二烯的Diels–Alder环加成反应具有高的非对映选择性,根据所使用的
路易斯酸,可以得到endo-R或endo-S产物。