Crown Ether: Definition, Preparation, Uses

Crown ether

Crown ethers are heterocyclic chemical compounds composed of a ring with several ether groups. The most frequent crown ethers are ethylene oxide oligomers with the repeating unit ethylene oxy (-CH2CH2O-). They have the general formula (OCH2CH2)n or (OCH2CH2CH2)n. Pederson synthesized … Read more