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Synthesis of Group 9 Metal-Olefin Complexes with Identical Ligand Frameworks and Comparison of their Catalytic Activity in [2+2+2] Cycloaddition and other Addition Reactions

✍ Scribed by Nico Weding; Ralf Jackstell; Haijun Jiao; Anke Spannenberg; Marko Hapke

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 338 KB
Volume: 353
Category: Article
ISSN: 1615-4150
DOI: 10.1002/adsc.201100489

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✦ Synopsis

The preparation and catalytic evaluation of the three group 9 (cyclopentadienyl)metal(trimethylvinylsilane) complexes of the type C 5 H 5 M(H 2 C= CHSiMe 3 ) 2 (M = cobalt, rhodium and iridium) are reported. The complexes were investigated in [2 + 2 + 2] cycloaddition as well as in hydrogenation, hydroformylation and hydroboration reactions. Despite the identical organic frameworks and structural parameters, the complexes display remarkable reactivity and stability differences.

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