A new macrocavitand from the head to tail four-point capping of p-tert-butylcalix[8]arene with a calix[4]arene
Abstract
The synthesis of a partially rigid calix[8]arene with a deep cavity, obtained by capping p-tert-butylcalix[8]arene 1 with tetramethoxy-p-tetrachloromethylcalix[4]arene 2 in the presence of CsF is reported.