Cyclic polyether with the general formula (–CH₂CH₂O–)_n, named [n]-crown-m where n is the ring size and m the number of oxygens. Cation-binding selectivity arises from the match between cavity diameter and ion radius: 18-crown-6 binds K⁺…
Cyclic polyether with the general formula (–CH₂CH₂O–)_n, named [n]-crown-m where n is the ring size and m the number of oxygens. Cation-binding selectivity arises from the match between cavity diameter and ion radius: 18-crown-6 binds K⁺…