Contributions to the Chemistry of Boron, 233. Reactions of a 1,2,3,4‐Diphosphadiboretane with Some Carbonylmetal Compounds
- 1 October 1996
- journal article
- research article
- Published by Wiley in European Journal of Inorganic Chemistry
- Vol. 129 (10) , 1233-1241
- https://doi.org/10.1002/cber.19961291015
Abstract
1,2‐Di‐tert‐butyl‐3‐(diisopropylamino)‐4‐(dimethylamino)‐ 1,2,3,4‐diphosphadiboretane (1) reacts with Fe2(CO)9 to give two isomeric tetracarbonyliron complexes 2, 3 with P–Fe bonds and a bis(tetracarbonyliron) complex 4. In contrast, 1 displaces the olefinic ligand from tetracarbonyl(η4‐norbornadiene)metal (metal = Cr, Mo) to form the tetracarbonylmetal complexes 5 and 6 with a rearranged ligand molecule, i.e. a 1,3,2,4‐diphosphadiboretane. This process is accompanied by a change of the tert‐butyl groups from an anti orientation in 1 to a syn orientation in 5 as shown by X‐ray crystallography.Keywords
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