Regioselective preparation of α,β-unsaturated ketones via the direct dehydrogenation of triisopropylsilyl enol ethers
作者:P.Andrew Evans、James M. Longmire、Dilip P. Modi
DOI:10.1016/0040-4039(95)00694-8
日期:1995.6
Treatment of the triisopropylsilylenolethers 1a-h with ceric ammonium nitrate in dimethylformamide at 0 °C afforded the α,β-unsaturated ketones 2a-h in 63–98% yield.