Microwave‐assisted Synthesis,Structure, and Tunable Liquid‐Crystal Properties of 2,5‐Diaryl‐1,3,4‐Thiadiazole Derivatives through Peripheral n‐Alkoxy Chains
1. Department of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071 (P.R. China), Fax: (+86)?22‐2350‐8470);2. Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong (P.R. China);3. Department of Physics and Materials Science, The City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong (P.R. China)
Abstract:
Chain change : Variations in the position, number, and chain length of the n‐alkoxy chains readily tune the liquid‐crystalline properties of 2,5‐diaryl‐1,3,4‐thiadiazole derivatives from smectic to hexagonal columnar mesophases at room temperature. The calamitic S‐heterocyclic compounds show electrical conductivity in both solid and liquid‐crystal states.
