Cavity effect of calix[4]arenes in electrophilic aromatic substitution reactions
作者:Oliver Struck、John P. M. van Duynhoven、Willem Verboom、Sybolt Harkema、David N. Reinhoudt
DOI:10.1039/cc9960001517
日期:——
Electrophilic aromatic substitutions of hydroxymethylcalix[4]arenas with monosubstituted benzene derivatives give rise to very unusual ortho-selectivities caused by a cavity effect of the calix[4]arenas.