Abstract
In this study, we report a smooth one-pot, solvent-free catalytic dimerization of phenylacetylene (1) to 1-phenylnaphthalene (2) by Cu/C at room temperature in good yield (∼100%). In the computational study, the structure of the 1-phenylnaphthalene was optimized by DFT-B3LYP/6-31G* method. The rotation barrier around C-C of the phenyl and naphthalene parts of the molecule and its UV-Visible spectrum were calculated. The modelling of the mechanism of production of 2 from 1 was performed with and without Cu/C catalyst. The data of EDS and SEM of the Cu/C catalyst surface are also reported.
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Acknowledgements
A T gratefully acknowledges the colleagues in Chemistry Department of The University of Queensland-Australia for their useful suggestions. The authors are grateful to the Research and Computational Lab of Theoretical Chemistry and Nano Structures of Razi University Kermanshah-Iran for supporting this study.
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1H-NMR spectra of phenyl-acetylene, 1-phenylnaphthalene (figures S1 and S2), EDS analysis (figure S3) and the SEM of Cu/C catalyst (figure S4) are shown in the Supplementary Information which is available at www.ias.ac.in/chemsci.
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TAHERPOUR, A.(., TABAN, S. & YARI, A. One-pot Solvent-free Catalytic Dimerization Reaction of Phenylacetylene to 1-Phenylnaphthalene. J Chem Sci 127, 1523–1530 (2015). https://doi.org/10.1007/s12039-015-0926-7
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DOI: https://doi.org/10.1007/s12039-015-0926-7