| abstract |
(57) [Summary] [Object] To provide a method for purifying a crown compound which is inexpensive, simple, and efficient. [Structure] (1) A method for purifying a crown compound, which comprises dissolving the crown compound as a complex in an organic solvent, purifying it, and then adding water to recover the crown compound. (2) The method for purifying a crown compound according to the item (1), wherein the crown compound is a crown ether. (3) The organic solvent used is alcohols The method for purifying a crown compound according to the item (1). |