Hexameric Palladium(II) Terpyridyl Metallomacrocycles: Assembly with 4,4′-Bipyridine and Characterization by TWIM Mass Spectrometry

TWIM peaks: A macrocycle containing 12 PdII terpyridyl centers was assembled using 4,4′‐bipyridyl ligands and characterized by NMR and traveling wave ion mobility mass spectrometry (TWIM‐MS). The macrocyclic architecture was also examined by tandem mass spectrometry and collisionally activated disso...

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Published inAngewandte Chemie (International ed.) Vol. 49; no. 37; pp. 6539 - 6544
Main Authors Perera, Sujith, Li, Xiaopeng, Soler, Monica, Schultz, Anthony, Wesdemiotis, Chrys, Moorefield, Charles N, Newkome, George R
Format Journal Article
LanguageEnglish
Published Weinheim Wiley-VCH Verlag 03.09.2010
WILEY-VCH Verlag
WILEY‐VCH Verlag
Subjects
DOSY NMR spectroscopy
macrocycles
mass spectrometry
palladium
supramolecular chemistry
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Summary:TWIM peaks: A macrocycle containing 12 PdII terpyridyl centers was assembled using 4,4′‐bipyridyl ligands and characterized by NMR and traveling wave ion mobility mass spectrometry (TWIM‐MS). The macrocyclic architecture was also examined by tandem mass spectrometry and collisionally activated dissociation (CAD) experiments (see picture; C gray, N blue, Pd orange), and the resulting fragments were monitored by time‐of‐flight mass analysis.
Bibliography:http://dx.doi.org/10.1002/anie.200906198
ark:/67375/WNG-X66M9BW5-G
ArticleID:ANIE200906198
National Science Foundation - No. CHE-0517909; No. 0833087; No. DMR-0705015; No. DMR-0821313
istex:B0130F19EEC95BCBBD29A31B924DC7A556719A1A
We thank the National Science Foundation for generous financial support (grant nos. CHE-0517909 and 0833087 to C.W., no. DMR-0705015 to G.R.N., and no. DMR-0821313 for the purchase of the instrument for the TWIM-MS studies). We gratefully acknowledge the expertise of Dr. Mingming Guo, Solid State NMR Manager at The University of Akron for his help with the 2D-DOSY NMR experiments. We are grateful to Dr. Thomas Wyttenbach and Prof. Michael T. Bowers for helpful discussions on collision cross sections in ion-mobility experiments. TWIM=traveling wave ion mobility.
These authors contributed equally to this work.
We thank the National Science Foundation for generous financial support (grant nos. CHE‐0517909 and 0833087 to C.W., no. DMR‐0705015 to G.R.N., and no. DMR‐0821313 for the purchase of the instrument for the TWIM‐MS studies). We gratefully acknowledge the expertise of Dr. Mingming Guo, Solid State NMR Manager at The University of Akron for his help with the 2D‐DOSY NMR experiments. We are grateful to Dr. Thomas Wyttenbach and Prof. Michael T. Bowers for helpful discussions on collision cross sections in ion‐mobility experiments. TWIM=traveling wave ion mobility.
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ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200906198