Yuan Rong-xin
2011
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Journal
Journal of Changzhou University
Abstract
Using the pyrrole as the starting material,ethyl 4-bromo-5-nitro-1H-pyrrole-2-carboxylate was synthesized through acylation,bromation by NBS,nucleophilic substitution by NaOC2H5 and nitration by fuming nitric acid.The total yield of the target product was 64.3 %,and the synthetic technique is suitable for industrial production.The target product structure was characterized by 1H NMR,MS spectra,etc.