Structures of complexes of benzyl and allyl esters of monensin A with Mg2+, Ca2+, Sr2+, Ba2+ cations studied by ESI-MS and PM5 methods
✍ Scribed by Adam Huczyński; Bogumil Brzezinski; Franz Bartl
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 681 KB
- Volume
- 886
- Category
- Article
- ISSN
- 0022-2860
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📜 SIMILAR VOLUMES
A new 2-hydroxyethyl ester of Monensin A (MON2) was synthesized and its ability to complex formation with divalent cations was studied by the ESI mass spectrometry and PM5 semiempirical calculations. The ESI-MS spectra indicated that MON2 forms stable 1:1 complexes with the divalent cations studied.
The structures and the crystallographic data for monensin and its complexes with Na + , K + and Ag + cations have been compared with the parameters calculated by the PM5, PM3 and AM1d semiempirical methods. It is demonstrated that the PM5 calculations are effective for the visualisation of the proba