ketene

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树浓硫酸作为催化剂,直接酯化合成乙酰丙酮的中间体乙酸丙烯酯。

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,且双键端位被双烷硫基取,是有机合成中的一类重要的有机中间体。