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Synthesis, X-Ray Crystal Structures and Optical Properties of Novel Substituted Pyrazoly 1,3,4-Oxadiazole Derivatives

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Abstract

Novel pyrazoly 1,3,4-oxadiazole derivatives were synthesized and characterized by 1H NMR, IR, HRMS and X-ray diffraction analysis. UV–vis absorption and fluorescence properties of these compounds in different solutions showed that the maximum absorption wavelength was not significantly changed in different solvents; however, maximal emission wavelength was red-shifted with the increase of solvent polarity. Absorption λmax and emission λmax was less correlated with substituent groups on aryl rings.

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Acknowledgement

This study was supported by National Natural Science Foundation of China (90813022 and 20972088) and the Science and Technology Developmental Project of Shandong Province (2008GG10002034).

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Correspondence to Bao-Xiang Zhao.

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10895_2011_874_MOESM1_ESM.doc

CCDC 787253 and 787254 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data_request/cif, by emailing data_request@ccdc.cam.ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB21EZ, UK; fax: +44 1223336033. (DOC 24 kb)

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Lv, HS., Xie, YS., Liu, WY. et al. Synthesis, X-Ray Crystal Structures and Optical Properties of Novel Substituted Pyrazoly 1,3,4-Oxadiazole Derivatives. J Fluoresc 21, 1797–1804 (2011). https://doi.org/10.1007/s10895-011-0874-7

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  • DOI: https://doi.org/10.1007/s10895-011-0874-7

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