(1) Laboratoire de Chimie des Interactions Moléculaires, associé, ECPM, au CNRS, 25, rue Becquerel, F-67087, Strasbourg, France;(2) CEA/Saclay, SCM (CNRS URA 331), Bât. 125, 91191 Gif-sur-Yvette, France
Abstract:
The reaction of p-tert-butyl calix4]arene 1 with,'-dibromo-o-xylene in basic conditions leads totwo new compounds. One of them is a bis-calix4]arene, whose crystal structure has been determined.