hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis.

• 羟基二硫缩烯酮类化合物不仅含有烯丙基醇结构单元,而且双键端位被双烷硫基取代,是有机合成中的一类重要的有机中间体。