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Multinuclear NMR, FT-IR, ESI MS studies and PM5 semiempirical calculations of new ethylene glycol ester of lasalocid acid and their complexes with K+ cation

✍ Scribed by Radosław Pankiewicz; Aleksandra Pawłowska; Grzegorz Schroeder; Piotr Przybylski; Bogumił Brzezinski; Franz Bartl

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
299 KB
Volume
694
Category
Article
ISSN
0022-2860

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NMR, FT-IR, ESI MS studies and PM5 semie
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In the present work we studied the ability of new lasalocid ester with ethylene glycol (Las4) to form complexes with Li þ and Na þ cations using ESI mass spectrometry, 1 H, 13 C NMR and FT-IR spectroscopic methods. The ESI-MS spectra indicate that Las4 forms stable 1:1 complexes with both cations, i

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A new ester of lasalocid with 3-(methylthio)-1-propanol (Las10) has been synthesised and its complexation of monovalent cations has been studied by ESI mass spectrometry as well as the 1 H, 13 C NMR and FT-IR spectroscopic methods. The ESI-MS spectra show that Las10 forms stable 1:1 complexes with L