每日机理学习-60

问题A060

基本文献

• Howard, W. L.; Lorette, N. B. Org, Synth., CoIl Vol. Ⅴ 1973.25

反应机理

A: Protonation of an oxygen atom of the acetal. 

B: Elimination of allyl alcohol helped by the oxygen lone pair of the acetal. 

C: Deprotonation to form an enol ether. 

D: [3,3] Sigmatroplc rearrangement(Claisen rearrangement).

.

来自于Fukuyama福山透有机机理习题集