C3vTrimethyl pBenzyloxycalix[6]arene: A Versatile Platform for the Synthesis of Functionalized C3vCalix[6]arenes

Partial methylation of pbenzyloxycalix[6]arene leads to the corresponding trimethylated C3vderivative. This compound was used for the synthesis of new functional calixarenes. The presence of the pbenzyloxy substituent allows this new C3vderivative to be directly oxidized to the trisquinone. These new C3vderivatives open the way to new supramolecular receptors, bearing easily derivatized hydroxy groups at the upper rim position.