, Volume 9, Issue 3, pp 109-112

Structure and properties of anthranilato- andN-phenylanthranilatorhodium(I) complexes withcis, cis-cycloocta-1,5-diene

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Reaction products of [{RhCl(η-COD)}2] (COD=cycloocta-1,5-diene) with sodium salts of anthranilic andN-phenylanthranilic acid have been isolated and their structures and catalytic activities investigated. A monomeric square-planar structure with O-Rh-N bonds is postulated for the anthranilate complex, and a dimeric structure, with carboxylate bridges and without binding of the β-amine nitrogen to rhodium, is postulated for theN-phenylanthranilate. Catalytic activities in hydrogenation of some alkenes, dienes, aromatic and heteroaromatic compounds have been investigated at ambient temperature and pressure. The stability of the complexes under hydrogenation conditions is low and complete saturation has been achieved only forn-alkenes and dienes.