Oxacycloisomerization of 1-hydroxy-2-propargyl cyclic derivatives was catalyzed by the first-generation Grubbs catalyst (Grubbs I) and led to good yields of bicyclic dihydrofurans. Tricyclic acetals were also obtained from cyclic alkyne diols using the same experimental procedure.
1-羟基-2-炔丙基环状衍
生物的氧杂环异构化由第一代格拉布斯催化剂(Grubbs I)催化,并导致双环二氢
呋喃的良好收率。还使用相同的实验程序从环状炔二醇中获得了
三环缩醛。