Mass spectrometry studies on the complexation of several organometallic complexes by α- and β-cyclodextrins

R. Bakhtiar, A. E. Kaifer

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

The complexation of ferrocene and several ferrocene derivatives with the hosts α-cyclodextrin (α-CD) and β-cyclodextrin (β-CD) was investigated by electrospray mass spectrometry. A 2:1 complex was detected between α-CD and ferrocene while a 1:1 complex was observed with β-CD and this organometallic guest. All the remaining ferrocene derivatives surveyed in this work exhibited mass spectrometry signals corresponding to 1:1 complexes with either host. In contrast to previous electrochemical and proton NMR spectroscopic studies, no evidence was found for ternary or quaternary complexes in these host-guest systems. These results demonstrate for the first time that complexes between cyclodextrins and organometallic compounds are detected in the gas phase.

Original languageEnglish (US)
Pages (from-to)111-114
Number of pages4
JournalRapid Communications in Mass Spectrometry
Volume12
Issue number3
DOIs
StatePublished - Jan 1 1998

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry

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