Sodium halides as the source of electrophilic halogens in green synthesis of 3-halo- and 3,n-dihalobenzo[b]thiophenes.
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DOI: 10.1016/j.tet.2018.04.080
Abstract: A convenient methodology for the synthesis of mono- and di-halogenated benzo[b]thiophenes is described herein, which utilizes copper(II) sulfate pentahydrate and various sodium halides in the presence of substituted 2-alkynylthioanisoles. The proposed method is facile, uses… read more here.
Keywords: methodology; halides source; sodium halides; benzo thiophene ... See more keywords