A method for the synthesis of previously unknown 2-aryl-4,6-dinitrobenzo[b]thiophenes and their 3-chloro derivatives has been developed based on the replacement of ortho-NO2in (E)-2,4,6-trinitrostilbenes on treatment with PhCH2SH/K2CO3 followed by transformations of the resulting 2-benzylthio-4,6-dinitrostilbenes by treatment with SO2Cl2.
Synthesis of 2-aryl-4,6-dinitrobenzo[b]thiophenes from 2,4,6-trinitrotoluene
O. Yu. Sapozhnikov, V. V. Mezhnev, M. D. Dutov, V. V. Kachala and S. A. Shevelev, Mendeleev Commun., 2004, 14, 27 DOI: 10.1070/MC2004v014n01ABEH001859
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