JMSSJ On-line, Vol. 47 (1999) No. 4, pp. 270-273

ESI-MS Analysis of Tetrapyridinium Macrocycle Complexation with Carboxylic Anions		>> Full Text PDF >> References
Tsutomu ABURA,a) Tsuyoshi FUKUO,a) Satoshi SHINODA,b) Hiroshi TSUKUBE,b) and Ryuichi ARAKAWA*a) *a) Department of Applied Chemistry, Kansai University (Suita, Osaka 564-8680, Japan) b) Department of Chemistry, Graduate School of Science, Osaka City University (Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan)
Complex formations of a quaternary tetrapyridinium macrocycle (Cpy4Br4) with anionic species, mono-, di-, tri-carboxylic acids, adenocine 5′-triphosphate (ATP), diphosphate (ADP), and monophosphate (AMP) were observed in a neutral pH region. Electrospray ionization mass spectrometry (ESI-MS) was used to study reactivity and selectivity of the complex formations between the Cpy4 cation and the guest anions.
Key words: Quaternary tetrapyridinium macrocycle, Electrospray ionization mass spectrometry, ESI-MS, Complexation, Host-guest complexes, Carboxylic anions

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