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Journal Article

Antamanide. Dynamics of Metal-Complex Formation


Burgermeister,  Wolfgang
Max Planck Institute for Medical Research, Max Planck Society;


Wieland,  Theodor
Max Planck Institute for Medical Research, Max Planck Society;


Winkler,  Ruthild
Abteilung Biochemische Kinetik, MPI for biophysical chemistry, Max Planck Society;

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Burgermeister, W., Wieland, T., & Winkler, R. (1974). Antamanide. Dynamics of Metal-Complex Formation. European Journal of Biochemistry, 44(1), 305-310. doi:10.1111/j.1432-1033.1974.tb03487.x.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-9BDA-E
Overall rate constants for complex formation of Na+ and Ca2+ with antamanide and of Na+ with perhydro-antamanide were determined by using the temperature-jump relaxation technique. Measurements were carried out in methanol or acetonitrile as solvents. Murexide was used as Na+-indicator. The reaction enthalpy of the Na+-antamanide system was determined from relaxation amplitudes. Values of the rate constants are considerably lower than those for similar macrocyclic complex-forming compounds.