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Chelating phosphane-boranes as hemilabile ligands - Synthesis of [Mn(CO)3(eta(2)-H3B center dot dppm)][BAr4F] and [Mn(CO)(4)(eta(1)-H3B center dot dppm)][BAr4F]

Abstract:

Manganese complexes bearing the chelating phosphaneborane ligand H 3B·dppm [dppm = bis(diphenylphosphanyl)-methane] have been prepared. Addition of H3B·dppm to Mn(CO)5Br using Na[BArF4] as a halide-abstracting reagent affords [Mn(CO)3(η2-H3B·dppm)][BAr F4] (1). This reacts with CO to open the bidentate borane to afford [Mn(CO)4(η1-H3B·dppm)] [BArF4] (2) in which the borane is now bound in a monodentate manner. The CO addition is reversible, and placing 2 under vacuum (hours) regenerates 1 qua...

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Publication status:
Published

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Publisher copy:
10.1002/ejic.200600526

Authors


Kociok-Koehn, G More by this author
Willis, MC More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Journal:
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume:
2006
Issue:
20
Pages:
4068-4073
Publication date:
2006-10-16
DOI:
EISSN:
1099-0682
ISSN:
1434-1948
URN:
uuid:17d85e0e-712c-447f-8819-6c1109e9e3bd
Source identifiers:
51702
Local pid:
pubs:51702

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