Substituent control in the synthesis of tetrahydropyrans, oxepanes and oxocanes by episulphonium ion-mediated cyclisation
作者:Pedro L. López-Tudanca、Keith Jones、Peter Brownbridge
DOI:10.1016/s0040-4039(00)79697-3
日期:1991.5
Cyclisation of the heptenols (1) to cyclic ethers via episulphonium ions has been studied and the effect of allylic substituents on the size of ring produced has been explored.