Synthesis of unsymmetrical 1,4-diketones by the ceric ammonium nitrate promoted cross-coupling of trimethylsilyl enol ethers

Abstract Unsymmetrical 1,4-diketones are prepared in good yields (60–80%) by cerium (IV) ammonium nitrate oxidative cross-coupling between 1,2-disubstituted and 1-substituted trimethylsilyl enol ethers.