Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 691, Issue 16, Pages 3464-3471Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2006.04.030
Keywords
rhodium; 1,8-naphthyridine; hydrosilylation; silylformylation; silane alcoholysis
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The synthesis of cationic dirhodium(II) complexes by partial or total substitution of the acetate groups of [Rh-2(OAC)(4)] with different homoleptic neutral bidentate ligands has been attempted. The ligand 1,8-naphthyridine gave the best results: substitution of one as well as of all four acetate ligands is possible, giving rise to mono-, di- and tetra-cationic complexes. One of the resulting tetrasubstituted complexes has been structurally characterised and found to exhibit the expected lantern-shaped structure. All cationic complexes have been investigated as catalysts in different reactions involving silanes: promising results have been obtained, particularly in the silylformylation of alkynes. (c) 2006 Elsevier B.V. All rights reserved.
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