Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 21, Pages 3055-3059Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.200900465
Keywords
Boranes; NMR spectroscopy; Iridium; Hydrogen storage; P ligands
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Funding
- Ente Cassa di Risparmic, di Firenze (ECRF)
- MIUR Rome
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Ammonia borane (AB, NH3 center dot BH3) was activated selectively on the boron hydrogen atoms by [Ir(dppm)(2)]OTf, as shown by variable-temperature (31)p, B-11 and H-1 NMR studies, to yield cis- and trans- [Ir(H)(2)(dppm)(2)]OTf dihydrides. X-ray crystal structures of these complexes were obtained. DFT calculations suggest the key reaction intermediate to be a Lewis base (L) stabilised adduct, cis-[Ir(H)(BH2 center dot L)(dPPM)(2)](+) ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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