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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1033-1034Synthesis and Optical Properties of Asymmetric...

Synthesis and Optical Properties of Asymmetric Naphthylmethylene 1,3,4-Oxadiazole Derivatives

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Abstract:

Asymmetric 2-p-nitrophenyl-5-naphthylmethylene-1,3,4-oxadiazole and 2-p-aminophenyl-5-naphthylmethylene-1,3,4-oxadiazole were synthesized and characterized by IR、¹HNMR and MS analysis, and their optical properties were detected using UV-vis absorption spectroscopy and fluorescence spectroscopy. The existence of electron-withdrawing oxadiazole units causes a significant bathochromic shift of the UV absorption maximum. The largest UV-absorption peak of target compounds is in the range of 298-317 nm, and a new emission band at 402 nm is formed. The fluorescence intensity is gradually enhanced, which strengthens the intramolecular charge transfer effect between the electron-withdrawing oxadiazole and electron-donating aniline.

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Periodical:

Advanced Materials Research (Volumes 1033-1034)

Pages:

1109-1113

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1033-1034.1109

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Online since:

October 2014

Authors:

Ting Feng Tan*, Bian Peng Wu, Li Gang Bai, Yan Xia Li, Ming Jie Zhang

Keywords:

Asymmetric, Naphthylmethylene, Optical Property, Oxadiazoles

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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