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    STUDIA CHEMIA - Issue no. 4 / 2011  
         
  Article:   ASYMMETRIC BENT-CORE LIQUID CRYSTALS BASED ON A 2,7-DIHYDROXYNAPHTALENE CORE WITH AZO AND ESTERIC CONNECTING GROUPS.

Authors:  . 		 
       
         
  Abstract:  Two series of asymmetric bent-core type derivatives containing 2,7-dihydroxynaphtalene as central unit and 4-(4-alkyloxyfenilazo)-benzoyl and 4-methoxy-benzoyl or 3-bromo-4-methoxy-benzoyl side arms as mesogenic groups have been synthesized. The liquid crystalline properties have been investigated by differential scanning calorimetry (DSC) and polarized optical microscopy (POM). All the synthesized compounds presented liquid crystalline properties, mainly monotropic, with smectic or nematic textures.

Keywords: bent-core compounds, 2,7-dihydroxynaphtalene azo aromatic mesogens 		 
         
     
         
         
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