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- Publications
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The proton affinities of saturated and unsaturated heterocyclic molecules
- S. Kabli, E. E. Beelen, S. Ingemann, L. Henriksen, S. Hammerum
- Chemistry
- 1 March 2006
Abstract The proton affinities derived from G3-calculations of 23 five-membered ring heteroaromatic molecules agree well with the experimentally determined values available in the literature. The… Expand
Sensitized near-infrared emission from Nd3+ and Er3+ complexes of fluorescein-bearing calix[4]arene cages
- M. P. O. Wolbers, F. C. J. M. V. Veggel, +4 authors D. Reinhoudt
- Chemistry
- 15 May 1998
Efficient intramolecular energy transfer (ET) from an excited chromophore to Nd3+ and Er3+ ions with subsequent emission in the near-infrared (h2) is possible in novel compounds (1). These are made… Expand
Experimental and Theoretical Evaluation of Proton Affinities of Furan, the Methylphenols, and the Related Anisoles
- E. E. Beelen, Tehila A. Koblenz, S. Ingemann, S. Hammerum
- Chemistry
- 17 March 2004
The proton affinities of furan, 2-, 3-, and 4-methylphenol, and the related anisoles have been determined with Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry. The proton… Expand
A chemical ionization study of deuteron transfer initiated propene loss from propoxypyridines
- E. E. Beelen, T. A. Molenaar‐Langeveld, S. Ingemann
- Chemistry, Medicine
- Journal of the American Society for Mass…
- 1 October 2003
The mechanism of propene loss from the metastable [M + D]+ ions of isomeric 2-, 3-, and 4-n-propoxypyridines and the related isopropoxypyridines has been examined by chemical ionization (CI) and… Expand
An experimental study of ligand exchange and bond insertion in the reactions of dimanganese carbonyl ions with alcohols in the gas phase
- E. E. Beelen, S. Ingemann
- Chemistry
- 15 February 2005
Abstract The gas-phase reactions of dimanganese carbonyl ions (Mn2(CO)n+; n = 1–5) with methanol have been studied with the use of Fourier transform ion cyclotron resonance (FT-ICR) mass… Expand