In(OTf)3-catalysed easy access to dihydropyranocoumarin and dihydropyranochromone derivatives
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DOI: 10.1039/d0nj00080a
Abstract: We developed an easy, In(OTf)3-catalysed, regioselective and generalizable method, for allylation/cyclization of β-ketolactone-type heterocyclic compounds. This reaction is proposed to proceed one-pot, through a Friedel–Crafts C-allylation followed by cyclization. This process represents a green synthetic… read more here.
Keywords: dihydropyranochromone derivatives; catalysed easy; otf catalysed; dihydropyranocoumarin dihydropyranochromone ... See more keywords