An efficient synthesis of fused furans from 2-alkynylcycloalk-2-enols via gold(III) bromide catalyzed cycloisomerization was achieved. The reaction condition is moderate and amenable to structurally diverse substrates, leading to good yield of products.
通过
金(III)
溴化物催化的环异构化作用,从2-炔基环烯-2-烯醇高效合成了并环
呋喃。反应条件温和且适用于结构多样的底物,从而获得良好的产率。