Rhodium(I) diolefin complexes with polycyclic π-arene ligands. Synthesis of bimetallic complexes with diphenylmethane as bridging ligand
✍ Scribed by Mauricio Valderrama; Mario Scotti; Pedro Cifuentes; Ricardo Ganz
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 322 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0340-4285
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lowed to stand at this temperature for one week; the color of the solution turned from green to red. The mixture was subjected to low-temperature chromatography ( -20 "C, Merck silica gel 60; 0.040-0.63 mm, CHC13/acetone 1 : 1, 30 x 2.5 cm). Two zones were eluted: the first (green) zone, was unreact
## Dicarbonyl complexes of rhodium(I) [Rh(CO)2(LL')], where LL' ~-salicylaldoximate, 8-oxyquinolinate, glycinate, leucinate, aminophenolate or pyridine carboxylate and [Rh(COD)(LL')], where COD = 1,5-cyclooctadiene, were prepared and characterized by elemental analysis, and i.r. and n.m.r, spectra
This work was supported by the Deutsche Forschungsgemeinschaft (SFB 347) and the Fonds der Chemischen Industrie. Scheme 1. Indirect substitution of the SbiPr 3 ligands in 1 by PMe 3 and subsequent reaction to give 4. Scheme 2. Synthesis of the tetranuclear rhodium complexes 5 and 7, which are in equ