Synthesis and Liquid-crystalline Properties of Bromoalkyloxy-substituted Terphenylenes
作者:Leticia Larios-López、Dámaso Navarro-Rodríguez、Bertrand Donnio、Daniel Guillon
DOI:10.1246/cl.2006.652
日期:2006.6
A series of bromoalkyloxy-substituted terphenylenes were synthesized through a Palladium cross-coupling reaction between arylboronic acids and bromoaryl derivatives. By DSC it was observed that these intermediates show a rich thermotropism in a wide range of temperature (110–180 °C) and by X-ray diffraction it was determined that the liquid-crystalline nature corresponds to tilted type smectic mesophases (SmC, SmF/SmI, and a two-dimensional ordered tilted mesophase SmX).
通过芳基硼酸和溴芳基衍生物之间的钯交叉偶联反应,合成了一系列溴烷氧基取代的三苯基。通过DSC观察到这些中间体在很宽的温度范围(110-180°C)内表现出丰富的热致性,通过X射线衍射确定液晶性质对应于倾斜型层状介相(SmC、SmF/SmI和二维有序倾斜介相SmX)。