[4-(2,3,5,6-Tetrafluoro-4′-octyloxybiphenylyl)] [4-alkoxycarbonylphenyl]acetylenes have been prepared via a Pd-catalyzed coupling, reaction. These compounds form mesomorphic phases over a wide temperature range and provide a new series of liquid crystal materials containing 1,4-tetrafluorophenylene in their basic structure.
[4-(2,3,5,6-四
氟-4'-辛基氧基
联苯基)] [4-烷氧基羰基苯基]
乙炔已通过
钯催化的偶联反应制备。这些化合物在很宽的温度范围内形成介晶相,并提供了一系列在其基本结构中包含1,4-四
氟亚苯基的液晶材料。