Description 1,8-Dimethyl-1,4,8,11-tetraazacyclotetradecane is a heterocyclic building block.1,8-Dimethyl-1,4,8,11-tetraazacyclotetradecane may be used as a precursor for the synthesis of `trans′-difunctionalized derivatives. It may also be used in the synthesis of 4,11-bis(N-pyren-1-yl-acetamide)-1,8-dimethyl-1,4,8,11-tetraazacyclotetradecane.Reactant for:Ferromagnetic coupling of copper(II) and nickel(II) complexesPreparation of cyclam bridged dinuclear platinum(II) complex as an antitumor agentPreparation of dimethylcyclam based fluoroionophore having Hg2+- and Cd2+-selective signaling behaviors