Montmorillonite-mediated hetero-Diels–Alder reaction of alkenes and o-quinomethanes generated in situ by dehydration of o-hydroxybenzyl alcohols
作者:Kazuhiro Chiba、Tetsuya Hirano、Yoshikazu Kitano、Masahiro Tada
DOI:10.1039/a900657e
日期:——
The intermolecular hetero-DielsâAlder reaction of in situ-generated o-quinomethanes and unactivated alkenes has been accomplished through a wet montmorillonite catalyst in a LiClO4âMeNO2 solution to give good yields of varied chromane skeletons.