Ring-Opening Carbonyl-Olefin Metathesis of Cyclobutenes.
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DOI: 10.1021/acscatal.2c01188
Abstract: The ring-opening carbonyl-olefin metathesis of cyclobutenes to furnish γ,δ-unsaturated aldehydes-formal Claisen rearrangement products-is reported. The bistrifluoroacetic acid salt of 2,3-diazabicyclo[2.2.2]octane promotes these reactions efficiently with a variety of cyclobutenes and aldehydes, including aliphatic, α,β-unsaturated, aryl,… read more here.
Keywords: olefin metathesis; carbonyl olefin; metathesis cyclobutenes; ring opening ... See more keywords