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ANTIFERROELECTRIC LIQUID CRYSTAL COMPOUND EXCELLENT IN TEMPERATURE DEPENDENCE OF RESPONSE SPEED
ANTIFERROELECTRIC LIQUID CRYSTAL COMPOUND EXCELLENT IN TEMPERATURE DEPENDENCE OF RESPONSE SPEED
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机译：反铁液结晶化合物在响应速度的温度依赖性方面表现出色
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摘要
PROBLEM TO BE SOLVED: To obtain a new compound, capable of manifesting stable antiferroelectricity at about ambient temperature and excellent in temperature dependence of response speed sufficiently usable for displays. ;SOLUTION: This compound is represented by formula I (R1 is a 4-12C alkyl; R2 is a 4C, a 6C, an 8C or a 10C alkyl; * indicates optically active carbon) and, e.g. 4-(2-octyloxycarbonyl)phenyl 4'-n-nonyloxy-2-fluorobiphenyl-4-carboxylate is cited. The compound represented by formula I is obtained by reacting a 4'-alkyloxy-3-fluoro-4-biphenylcarboxylic acid with a chlorinating agent and then reacting the resultant compound with a 2-alkyl 4-hydroxybenzoate represented by formula III in a solvent (e.g. methylene chloride) in the presence of triethylamine or dimethylaminopyridine as a catalyst at ambient temperature in a nitrogen atmosphere.;COPYRIGHT: (C)1997,JPO
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机译：要解决的问题：要获得一种新的化合物，该化合物能够在大约环境温度下表现出稳定的反铁电性，并且对显示器的响应速度具有良好的温度依赖性。 ;解决方案：该化合物由式I表示（R 1 是4-12C烷基; R 2 是4C，6C，8C或10C烷基; *表示旋光活性碳），例如引用了4-（2-辛基氧羰基）苯基4'-正壬基氧-2-氟联苯-4-羧酸酯。通过使4'-烷氧基-3-氟-4-联苯甲酸与氯化剂反应，然后将所得化合物与由通式III表示的2-烷基苯甲酸2-烷基酯在溶剂中反应制得式I表示的化合物（在三乙胺或二甲基氨基吡啶的存在下，在室温和氮气氛下作为催化剂。版权所有：（C）1997，日本特许厅
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