Experimental and theoretical prediction of the redox potentials of noradrenaline and its supramolecular complex with glycine


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详细

The redox reaction of N-protonated noradrenalin (NA) is a two-proton-two-electron reaction in aqueous solution. NA can be oxidated to N-protonated noradrenalin quinone (NAquinone). The standard electrode potential (E0) value of NA/NAquinone couples is obtained experimentally with cyclic voltammetry (CV) and theoretically with two methods at B3LYP/6-311++G(d, p) level. The theoretical E0 value of NA/NAquinone couples is in good agreement with experimental ones and close to each other. Glycine (Gly) can form hydrogen bonds with NA in physiological environment. The E0 values of NA–Gly/NAquinone–Gly couples are predicted experimentally and theoretically. Hydrogen bond interaction weakens the electrondonation abilities of NA.

作者简介

Xiao-Wen Zheng

Department of Chemistry and Chemical Engineering, Key Lab of Inorganic Chemistry, Shandong Provincial Education Department

Email: liutao_2005@126.com
中国, Qufu, Shandong, 273155

Meng-Meng Liu

School of Chemistry and Chemical Engineering

Email: liutao_2005@126.com
中国, Qufu, Shandong, 273165

Shu-Min Han

School of Chemistry and Chemical Engineering

Email: liutao_2005@126.com
中国, Qufu, Shandong, 273165

Ling-Li Han

Department of Chemistry and Chemical Engineering, Key Lab of Inorganic Chemistry, Shandong Provincial Education Department; Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry

Email: liutao_2005@126.com
中国, Qufu, Shandong, 273155; Beijing, 100875

Tao Liu

Department of Chemistry and Chemical Engineering, Key Lab of Inorganic Chemistry, Shandong Provincial Education Department

编辑信件的主要联系方式.
Email: liutao_2005@126.com
中国, Qufu, Shandong, 273155

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