S. Wenger et al., SYNTHESIS OF AN UNSYMMETRICALLY DOUBLY BRIDGED CALIX[4]ARENE IN THE 1,3-ALTERNATE CONFORMATION, Journal of inclusion phenomena and molecular recognition in chemistry, 20(4), 1994, pp. 293-296
We report the synthesis of the first calix[4]arene constrained to a 1,
3-alternate conformation by one crown ether and one di-aza-benzo crown
ether bridgings. Preliminary binding properties are also given.