以右旋CB-15为原料,通过水解反应制备了一个含有手性基团的联苯甲酸型化合物,用红外光谱(FTIR)、核磁共振(1H NMR)和元素分析(EA)对其化学结构进行了确认.结合差示扫描量热(DSC)、偏光显微镜(POM)和变温红外光谱等对它的二聚体的热稳定性进行了研究.结果表明,此化合物仅有胆甾相,且与非手性酸类似,当它处于熔融态时,它的红外谱图上会出现代表游离态的羰基和羟基存在的吸收峰,且它们随着温度的升高而增大.结合DSC数据可知,这意味着此手性酸羧在固态时绝大部分是以二聚体的形式存在的,但当它受热熔融后,它的二聚体则会发生部分分解,并且随着温度的升高,分解量逐渐增加.
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