The enol ethers (I), derived from cyclic 1,3‐diketones, are coupled with acetylene (II) to produce the alkynylcycloalkenones (III) mentioned in the title.
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ChemInform Abstract: 1,6‐Addition of Organocopper Reagents to 3‐Alkynyl‐2‐cycloalkenones: Regiospecific Syntheses of Dienones and Allenes
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M. Cheng - University of Maryland, Baltimore County
M. Hulce - University of Maryland, Baltimore County