γ-selectivity in the ceric ammonium nitrate promoted oxidative addition of silyl dienol ethers to silyl enol ethers
作者:Anna Belli Paolobelli、David Latini、Renzo Ruzziconi
DOI:10.1016/s0040-4039(00)61663-5
日期:1993.1
Trimethylsilyl dienol ethers are easily oxidized by cericammoniumnitrate to give α-carbonylallyl radicals which are able to add to enolic carbon-carbon double bonds with very high γ regioselectivity, allowing the method to be applied to the synthesis of 6-oxo-α,β-unsaturated carbonyl compounds.