【摘要】 合成了正烷氧基R为C₁～C₁₀的文题化合物,并合成了中间体2,3-二氯对苯二酚,其产率比文献值提高10%。测定了这十个化合物的介电各向异性△_ε、液晶相变温度和相态等,证实这类化合物是负性液晶。更多还原

【Abstract】 The title compounds (Ⅰ) whose alkoxys contain 1～10 carbon atoms were synthesized. Corresponding intermediates, 2,3-dichlorohydroquinone, was also synthesized, the yield increased by 10% as compared with the literature. By means of magnetic field method, the values of the dielectric anisotropy of (Ⅰ) were successfully determined. The result showed that some of (Ⅰ) are liquid crystals with negative dielectric anisotropy.更多还原