SEARCH Articles Figures Tables Applications of Crown Ethers in Organic Synthesis Catalysis of Acyl Transfer Processes by Crown-Ether Supported Alkaline-Earth Metal Ions Crown Ethers and Related Hosts The First Class of Artificial Host Crown Ethers, lonophores, and the Solvation of Metal Ions Early Development of Host-Guest Chemistry. Pedersens Works on Crown Ethers Host---Guest Complexes of Crown Ethers and Metal complexes of crown ethers Open-chained Equivalents of Crown Ethers Organometallic complexes of crown ethers, cryptands and related receptors Reactions of Crown Ethers Stability and reactivity of crown-ether Stability and reactivity of crown-ether complexes Stabilization of cation-anion pairs by crown ethers liquid clathrates Synthesis of Crown Ethers The Influence of Crown Ethers The Origination of Photoresponsive Crown Ethers Use of Crown Ether as Phase-Transfer Catalyst