Metal-free oxidative cyclization of 2-aminobenzothiazoles and cyclic ketones enabled by the combination of elemental sulfur and oxygen
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DOI: 10.1039/c7gc02014g
Abstract: Metal-free oxidative cyclization for the one-pot synthesis of benzo[d]imidazo[2,1-b]thiazoles from 2-aminobenzothiazoles and cyclic ketones is described. Elemental sulfur combined with molecular oxygen as the benign co-oxidant was found to be unique and highly effective to… read more here.
Keywords: aminobenzothiazoles cyclic; free oxidative; metal; cyclic ketones ... See more keywords