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Citation: TAN Dan, LI Qi-Gui, LI Na, JU Ni-Juan, YANG Yong-Zhong. Synthesis of 4-(ω-Arcyloybutoxy) benzoate Liquid Crystal[J]. Chinese Journal of Applied Chemistry, ;2008, 25(6): 726-729. shu

Synthesis of 4-(ω-Arcyloybutoxy) benzoate Liquid Crystal

1.
Ruilian Modern Electronic Materials Limited Liability Company, Xi'an 710065

Corresponding author: TAN Dan,
Received Date: 2 July 2007
Available Online: 18 October 2007

4-(ω-Arcyloybutoxy) benzoic acid was synthesized from ethyl p-hydroxy benzoate,4-chlorbutylacetat and acrylic acid as major raw materials.With dicyclihexylcarbodiimide (DCC) as reagent and 4-dimethylaminopyridine (DMAP) as catalyst,a series of the objective products were obtained with a yield more than 60%.The mass fractions of the products by LC were over 99%.The effect of synthesis technique and extraction procedure on the yield has been discussed.At last,a reasonable synthesis condition is found.FT-IR,¹H NMR,MS,POM with hot stage and DSC were used to study the structure,phase behavior and mesophase texture of the compounds.The results showed that the texture of the liquid crystal compounds were the type of nematic liquid crystalline,and the liquid crystal compounds had good crystal performance in a wide temperature range.
- liquid crystal,
- acrylic acid,
- (ω-arcyloybutoxy) benzoate,
- synthesis
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