Summary
The stability constants,K sof monensin complexes with Li+, Na+, K+ and Cs+ ions were studied by a competitive polarographic method using the Tl+/Tl(Hg) redox couple as a sensitive electrochemical probe. TheK svalues are strongly influenced by the solvents (acetonitrile, propionitrile, acetone, N,N-dimethylformamide, N-methyl pyrolidinone, N,N-dimethylacetamide, dimethylsulfoxide, N,N-diethylformamide and N,N-diethylacetamide were used in experiments) and vary inversely with the Gutmann donicity scale. Molecular mechanics computations revealed the probable structures of the complexes.
Zusammenfassung
Es wurden die StabilitätskonstantenK svon Monesin-Komplexen mit Li+-, Ma+- und Cs+-Ionen mittels einer competitiven polarographischen Methode unter Verwendung der Tl+/Tl(Hg)-Redoxelektrode als sensitiver elektrochemischer Sonde bestimmt. DieK s-Werte werden stark vom Lösungsmittel (Acetonitril, Propionitril, Aceton, N,N-Dimethylformamid, N-Methylpyrrolidinon, N,N-Dimethylacetamid, Dimethylsulfoxid, N,N-Diethylformamid und N,N-Diethylacetamid) beeinflußt, wobei sie invers zurGutmann schen Donizitätsskala variieren. Die wahrscheinliche Struktur der Komplexe wurde mittels molekularmechanischer Berechnungen ermittelt.
Similar content being viewed by others
References
Izatt R. M., Bradshaw J. S., Nielsen S. A., Lamb J. D., Christensen J. J., Sen D. (1985) Chem. Rev.85: 271
Izatt R. M., Pawlak K., Bradshaw J. S., Bruening R. L. (1991) Chem. Rev.91: 1721
Lada E., Kalinowski M. K. (1990) Monatsh. Chem.122: 1
Lada E., Urbanczyk A., Kalinowski M. K. (1990) Austr. J. Chem.43: 2003
Gutmann V. (1978) The donor-acceptor approach to molecular interactions. Plenum Press, New York
Cox B. G., van Truong N., Rzeszotarska J., Schneider H. (1984) J. Chem. Soc., Faraday Trans.I 80: 3275
Taylor R., Kauffman R. F., Pfeifer D. R. (1982) In: Westley J. W. (eds.) Polyeter antibiotics naturally occurring acid ionophores, vol. 1. Dekker, New York
Barrans P. Y., Alleaume M. (1982) Acta Cryst.B 38: 1144
Walba D. M., Hersmeier M., Haltiwanger R. C., Noordik J. H. (1986) J. Org. Chem.51: 245
Bartnicka H., Bojanowska I., Rzeszotarska J., Kalinowski M. K. (1993) J. Chem. Res., (s) 190
Cox B. G., Van Truong N., Rzeszotarska J., Schneider H. (1984) J. Am. Chem. Soc.106: 5965
Mann C. K. (1969) In: Bard A. J. (ed.) Electroanalytical chemistry, vol. 3. M. Dekker, New York, ch. 2
Kemula W., Zawadowska J. (1980) Fresenius Z. Anal. Chem.300: 39
Gritzner G. (1977) Inorg. Chim. Acta24: 5
Luca C., Magearu V., Popa G. (1966) J. Electroanal. Chem.12: 15
Popa G., Magearu V. (1969) J. Electroanal. Chem.22: 85
Yee E. L., Yabib J., Weaver M. J. (1979) J. Electroanal. Chem.95: 241
Semnani A., Shamsipur M. (1991) J. Electroanal. Chem.315: 95
Ladd M. F. C. (1968) Theoret. Chim. Acta12: 333
Kollman P. A. (1985) Acc. Chem. Res.18: 105
Frubeis H., Klein R., Wallmeier H. (1987) Angew. Chem.99: 413
Brubaker G. R., Johnson D. W. (1984) Coord. Chem. Rev.53: 1
Litson S., Felder C. E., Shanzer A., Libman J. (1987) In: Izatt R. M., Christensen J. J. (eds.) Synthesis of macrocycles. The design of selective complexing agents. Progress in macrocyclic chemistry, vol. 3. Wiley-Interscience, New York, pp. 241–307
Hancock R. D. (1989) Progr. Inorg. Chem.37: 187
Hancock R. D., Martell A. E. (1989) Chem. Rev.89: 1875
Weiner S. J., Kollman P. A., Case D. A., Singh U. C., Ghio C., Alagona G., Profeta S., Jr., Weiner P. K. (1984) J. Am. Chem. Soc.106: 765
Weiner S. J., Kollman P. A., Nguyen D. T., Case D. A. (1986) J. Comput. Chem.7: 230
Singh U. C., Weiner P. K., Caldwell J., Kollman P. A. (1987) AMBER 3.0. University of California, San Francisco
Grootenhuis P. D. J., Kollman P. A. (1989) J. Am. Chem. Soc.111: 2152
Besler P. H., Merz K. M., Jr., Kollman P. A. (1990) J. Comput. Chem.11: 431
Merz K. M., Jr. (1992) J. Comput. Chem.13: 749
Connoly M. L. (1983) J. Appl. Cryst.16: 548
Dewar M. J. S., Thiel W. (1977) J. Am. Chem. Soc.99: 4899
Dewar M. J. S., Thiel W. (1977) J. Am. Chem. Soc.99: 4907
Dewar M. J. S., McKee M. L., Rzepa H. S. (1978) J. Am. Chem. Soc.100: 3607
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Filipek, S., Rzeszotarska, J. & Kalinowski, M.K. Polarographic study of Tl+, Li+, Na+, K+, and Cs+ complexes with monensin anion in dipolar aprotic solvents. Monatsh Chem 125, 801–809 (1994). https://doi.org/10.1007/BF00812692
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00812692