The tetraalkylammonium-accelerated Norrish-Yang photocyclization of 2-substituted acetophenones
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DOI: 10.1016/j.tetlet.2019.05.005
Abstract: Abstract The tetrabutylammonium-accelerated Norrish-Yang cyclization of 2-ethoxycarbonylmethyloxy- and 2-cyanomethyloxyacetophenones afforded trans -dihydrobenzofuranols in good stereoselectivities through cation-π interactions between the ammonium and the carbonyl and cyano groups. Furthermore, a new type of organocatalyst possessing both… read more here.
Keywords: tetraalkylammonium accelerated; accelerated norrish; norrish yang; yang photocyclization ... See more keywords