含1,1-二氟乙撑基和乙炔基的C2桥键类液晶是非常重要的TN、STN、TFT用液晶材料.通过对文献方法进行简化和改进后合成了1,1-二氟-1,2-二芳基取代乙烷和1,2-二芳基取代乙炔类液晶,总产率分别达到26%和39%.产物结构用IR、1H NMR做了鉴定.
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