An efficient synthetic method for phenylalanine containing crown ether ring

An efficient, convenient synthesis method has been introduced for the preparation of phenylalanine containing crown ether ring by nucleophilic substitution, nitrosation and reduction reaction using benzo-crown ether and dimethyl malonate as material. The structures of the product are characterized by 1HNMR, MS and element analysis. © 2012 Bentham Science Publishers