[reaction: see text]. Aluminum and copper Lewis acids were implemented to effect a regioselective [1,3] rearrangement of allylvinyl ethers in moderate to good yields. The use of trisubstituted alkenes leads to depressed levels of Claisen products.
[反应:请参见文字]。实施了铝和
铜路易斯酸,以中等至良好的收率实现了烯丙基
乙烯基醚的区域选择性[1,3]重排。三取代烯烃的使用导致克莱森产物的含量降低。