Bifunctional copper catalysts. A one step synthesis of bicyclic ethers starting from α,β-unsaturated ketones
作者:Nicoletta Ravasio、Vincenzo Leo、Francesco Babudri、Michele Gargano
DOI:10.1016/s0040-4039(97)01631-6
日期:1997.10
A new, one pot synthesis of bicyclic ethers starting from α,β-unsaturated ketones containing an additional isolated olefinic bond is proposed. It relies on highly chemoselective hydrogenation of the enone group to the corresponding alcohol in the presence of supported copper catalysts, and on the presence of acidic sites on the catalyst support activating the double bond as a carbocation.
提出了一种新的一锅合成双环醚的方法,该双环醚从含有额外分离的烯烃键的α,β-不饱和酮开始。它依赖于在负载的铜催化剂存在下烯酮基团对相应醇的高度化学选择性氢化,并且依赖于催化剂载体上酸性位点的存在,从而活化双键为碳正离子化。