摘要
本文报导五个草酸芳酯型液晶物质RphcoophococoophR'(Ⅰ)的合成方法及其液晶相变温度.以吡啶为催化剂、乙醚为溶剂,由4-羟苯基-4'-取代苯甲酸酯RphcoophoH(Ⅳ)与1-(4'取代苯氧基)草酰-2-氯R'phcocl(Ⅵ)合成(Ⅰ),收率85%.
Five new aryl oxalate compoumds with the general formula Rphcoophococooph'(I)has been prepared,and their mesomorphic transition temperatures determined.The unsymmetrical esteres(I)were synthesized from the 4- hydroxyphenyl, 4'substitutedbenzoate RphcoophoH(Ⅳ) anp 1-(4'-substitutedphenyloxy)oxalyl 2-choride R'phocococl(Ⅵ)in the presence of pyridine as catalyst,esher as solvent, with an yield of 85%.
出处
《湖南大学学报》
EI
CAS
CSCD
1991年第4期86-89,共4页
关键词
液晶
草酸
酯/草酸芳酯
草酰氯
liquid crystal
oxalic acid
ester/aryl oxalate oxalic acid chloride
