Construction of a Homooxacalix[3]arene-based Dimeric Capsule Cross-linked by a Pd(II)-pyridine Interaction

Abstract

Abstract Homooxacalix[3]arenes bearing 4-pyridyl groups at the 7,15,23-positions formed a dimeric complex with Pd(II). Only when the homooxacalix[3]arene was preorganized to a cone conformation, a dimeric molecular capsule with D3h symmetry was yielded. Mass spectral studies established that CD2Cl2 is included in this cavity.