Structural investigation of a new complex of N-allylamide of Monensin A with strontium perchlorate using X-ray, FT-IR, ESI MS and semiempirical methods

► A new amide of monensin A is synthesized and used for Sr2+ cation complexation. ► The formation of the complex is evidenced by X-ray, FT-IR and semiempirical methods. ► Within the complex Sr2+ cation is coordinated by the oxygen atoms of the monensin moiety.