Abstract

A Lewis acid mediated coupling reaction of enol-diazo nucleophiles and propargyl acetates has provided rapid and diverse access to complex alkynyl-tethered diazocarbonyl compounds. The ability of the coupling reaction to vary critical functionality flanking the diazo group was explored as a way to direct the outcome of a series of metal-catalyzed carbene metathesis cascade reactions. These cascade reactions provided diverse, biologically interesting carbocyclic and heterocyclic compounds in only a few steps from readily available materials.

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