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We are proud to celebrate the 50th anniversary of the calixarenes. In 1944, Zinke and Ziegler proposed a cyclotetrameric structure for an oligomer extracted from the condensation product mixture obtained by reacting p-tert-butyl phenol with formaldehyde in the presence of sodium hydroxide.
Fifty years on, calixarenes are the basis of many different areas of chemical research, with development occurring at an increasing pace over the past decade in particular. The present volume does not provide an overview of all these developments, but is rather a celebration of some of the highlights. This presentation of the intricate mosaic of diversity that characterizes calixarene chemistry will stimulate further developments in this fascinating field.
Sommario
Introducing Paper.- The Early History of Calixarene Chemistry.- Review Articles.- Inherently Chiral Calixarenes.- The Design of Cone-Fixed Calix[4]arene Analogs by Taking syn-[2.n]Metacyclophanes as a Building Block.- Conformational Properties of Calix[4]naphthalenes.- The Host-Guest Chemistry of Resorcinarenes.- Synthesis and Properties of Pyridinocalixarenes.- Calixarenes with Nitrogen or Phosphorus Substituents on the Lower Rim.- Homocalixarenes and Homocalixpyridines.- Calixcrowns and Related Molecules.- Calixarene-Based Sensing Agents.- Proximally Functionalized Cavitands and Synthesis of a Flexible Hemicarcerand.- Synthesis and Properties of N-Substituted Azacalix[n]arenas.- Arranging Coordination Sites around Cyclotriveratrylene.- X-Ray Crystallographic Studies of Tricarbonylchromium Complexes of Calix[4]arene Conformers on an Unusual Conformation which Appears in Cone Conformers.- Preparation, Structure and Stereodynamics of Phosphorus-Bridged Calixarenes.- Inclusion of Quaternary Ammonium Compounds by Calixarenes.- Calixarenes: Structure of an Acetonitrile Inclusion Complex and Some Metal Rimmed Derivatives.- Synthesis, Characterization, and X-Ray Structure of l,2-Bis-crown-5-calix[4]arene. Modeling of Metal Complexation.- Complexation Properties and Characterization of Four Conformers of a [2.1.2.1]Metacyclophane.- Synthesis and Ion Selectivity of Macrocyclic Metacyclophanes Analogous to Spherand-Type Calixarenes.- Polymeric Membrane Sodium-Selective Electrodes Based on Calix[4]arene Ionophores.- Recognition by New Diester and Diamide-Calix[4]arene Diquininones and a Diamide-Benzo-15-Crown-5 Calix[4]arene.- The Complexation of Ferrocene Derivatives by a Water-Soluble Calix[6]arene.- Thermodynamic and Electrochemical Aspects of p-tert-butyl-calix(n)arenes (n =4, 6, 8) and Their Interactions with Amines.- Advanced Materials.- Liquid Crystalline Calixarenes.- Nuclear Waste Treatment by Means of Supported Liquid Membranes Containing Calixcrown Compounds.- Conference Diary.- Author Index.
