Preparation of Novel Intermediate Material for Azobenzene Liquid Crystal

Hong Wei Wang; Jian Wei Ren; Yuan Yuan Li; Xin Zhang; Zong Cheng Miao

doi:10.4028/www.scientific.net/AMM.584-586.1665

Paper Titles

Discussions on Materials Selection and Design of Colored Hot-Mix Asphalt Mixture
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Dynamic Mechanical Analysis of CRTS II Cement Asphalt Mortar
p.1646

Performances Study and Accelerating Mechanism Analysis of New-Type Alkali-Free Efficient Liquid Setting Accelerator
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Pore Structure Formation of Modified Cement Systems Hardening over the Temperature Range from +22°C to -10°C
p.1659

Preparation of Novel Intermediate Material for Azobenzene Liquid Crystal
p.1665

Preparation of Novel Polyaniline and Phosphoric Acid Doped Sulfonated Polybenzimidazole Composite Membranes for Fuel Cells
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Research of Novel Azobenzene Liquid Crystal with High Birefrience and the Phase Behavior
p.1673

Research of Novel High-Temperature Proton Exchange Composite Membrane
p.1677

Research of Processes of Improving Soil Properties Based on Complex Ash Cement Binder
p.1681

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 584-586Preparation of Novel Intermediate Material for...

Preparation of Novel Intermediate Material for Azobenzene Liquid Crystal

Abstract:

An novel intermediate of (4-Iodo-phenyl)-(4-trifluoromethyl-phenyl)-diazene for azobenzene liquid crystal was synthesized. 4-Trifluoromethyl-phenylamine as raw material was oxidized by Oxone (Potassium peroxymonosulfate) in CH₂Cl₂/H₂O solvent to synthesize 1-Nitro-4-trifluoromethyl-benzene (m1). The effect of Oxone amount on the conversion degree of raw material was discussed in ditail. Then m1 was coupled with 4-Iodo-phenylamine to obtain the important intermediate, yellow solid, the yield was 52%. The chemical structures of synthetic intermediate was confirmed by FT-IR and 1H-NMR.