光催化下α-丙烯基二硫缩烯酮化合物发生环化加成反应

Study on the Photocycloaddition of α-Propenyl Ketene Dithioacetals

介绍了一种以乙酰丙酮为反应原料,水为反应介质合成α-羰基二硫缩烯酮衍生物,并与醛类发生缩合反应制备了一系列α-丙烯基二硫缩烯酮衍生物,最后在光催化下发生分子内环化加成反应制备了四元环并五元环类化合物。

α-Oxo ketene dithioacetals were synthesized from acetylacetone in water, then α-oxo ketene dithioacetals reacted with aldehydes to prepare series of α- propenyl ketene dithioacetals.At last, target products were gained through photocycloaddition of α- propenyl ketene dithioacetals.