Synthesis and study of N,N-disubstituted 4-[(4-aminophenyl)diazenyl]benzylidene-4'-alkylanilines |
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| Authors: | Yang-Chu Lin Kung-Lung Cheng Woan-Shiow Tzeng Chih-Lin Su Long-Je Lee Ling-Yung Wang Chun-Ming Yang Long-Li Lai |
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| Affiliation: | a Union Chemical Laboratory, Industrial Research Institute, Hsinchu, Taiwan 300, ROCb Department of Applied Chemistry, National Chi Nan University, Puli, Taiwan 545, ROC |
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| Abstract: | A series of N,N-disubstituted-4-[(4-aminophenyl)diazenyl]benzylidene-4'-alkylanilines (azo dyes) were synthesized from the reaction of the corresponding benzaldehyde with alkylanilines. These azo dyes exhibit nematic and SmC phases on heating. Their order parameter, photo-stability and miscibility were studied by investigation of a representative sample. |
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