SOLVENT FREE SYNTHESIS OF N-SUBSTITUTED PYRROLE DERIVATIVES CATALYZED
2683
9. Ma, F.P., Li, P.H., Li, B.L., Mo, L.P., Liu, N., Kang, H.J.,
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Table 5. Recyclability of the catalyst
Cycle
Yield, %
Time, min
10. Aydogan, F. and Yolacan, C., J. Chem., 2013, Article
1
2
3
4
74
60
52
46
5
5
5
5
ID 976724. doi 10.1155/2013/976724
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the mixture was dissolved in diethyl ether, then
filtrated. The filtrate solvent was evaporated under
vacuum. Thus obtained the corresponding crude
product was purified by column chromatography on
silica gel with n-hexane and ethyl acetate as eluents.
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ACKNOWLEDGMENTS
15. Gupta, P. and Paul, S., Catal. Today, 2014, vol. 236,
p. 153. doi 10.1016/j.cattod.2014.04.010
We thank Yildiz Technical University Scientific
Research Foundation (2016-01-02-YL07) for financial
support.
16. Azizi, M., Maleki, A., and Hakimpoor, F., Catal.
Commun., 2017, vol. 100, p. 62. doi 10.1016/
j.catcom.2017.06.014
17. Paneri, M., Joshi, A., and Khan, S., Chem. Biol.
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CONFLICT OF INTEREST
18. Yazdani-Elah-Abadi, A., Mohebat, R., Maghssolou, M.T.,
and Heydari, R., Polycycl. Aromat. Compd., 2018,
vol. 38, p. 92. doi 10.1080/10406638.2016.1164200
No conflict of interest was declared by the authors.
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RUSSIAN JOURNAL OF GENERAL CHEMISTRY Vol. 88 No. 12 2018