Calixarene aza-crown ether derivative, its preparation and use as metal ion fluorescent identification agent

A compound as metal ionic fluorescent identifying agent, its production and use are disclosed. The process is carried out by connecting calitetrarene with serine ethyl ester. It can be used to identify CO2+, Cu2, Ni2+, Fe3+, Ru3+ and Ag+ and used as Fe3+ fluorescent probe.