Gold-Catalyzed Cascade Cycloisomerization of 3-Allyloxy-1,6-diynes to Cyclopropyl- and Cyclobutyl-Fused Benzofurans and Chromen-3a(1 H )-ols.
Zeliang WangJichao ChenLei YuChunyu ZhangWei-Dong RaoPhilip Wai Hong ChanPublished in: Organic letters (2024)
A synthetic method for the efficient preparation of partially hydrogenated benzo[ f ]cyclobuta[ cd ]cyclopenta[ h ]benzofurans and cyclopropa[ c ]chromen-3a(1 H )-ols that relies on the gold(I)-catalyzed cascade cycloisomerization of 3-allyloxy-1,6-diynes is described.