YU Qian-qia
2013
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Journal
Applied Chemical Industry
Abstract
The target compound( S)-4-( 2-methylbutyl)-4'-( 4-propylcyclohexyl)-2-fluoro-biphenyl was synthesized via a four step reactions in a yield of 11. 4%,the purity of 99. 2%. The structure identification was performed by IR,MS,1H NMR. The mesomorphic property of objective compounds was investigated by differential scanning calorimetry( DSC) and polarizing optical microscopy( POM),and the helix twisting power( HTP) was researched by Cano's wedge method.