Abstract
A new phenyldiazene liquid crystal α with a methylene group in the ortho position to the diazo linkage was cyclized by heating. Differential scanning calorimetry was used to precisely identify the nature of the liquid crystal in its initial and final states, and the exothermic enthalpy of the cyclization. The complete kinetics of cyclization (kinetic order, reaction constants and activation energy) was determined by LC. Gas chromatographic properties of the final compound (β) were determined and showed to have excellent separation capabilities for phenols and polyaromatic compounds.
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