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Photochemically Induced Silicon−Carbon Bond Cleavage in a Dimethylsilyl-Bridged Dicyclopentadienyl Diruthenium Complex

✍ Scribed by Thomas Fox; Peter Burger

Book ID: 101352233
Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 398 KB
Volume: 2001
Category: Article
ISSN: 1434-1948
DOI: 10.1002/1099-0682(200103)2001:3<795::aid-ejic795>3.0.co;2-7

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✦ Synopsis

The synthesis and X-ray crystal structure of the novel permethylated dimethylsilyl-bridged diruthenium complex Me 2 Si[(C 5 Me 4 )Ru(CO) 2 ] 2 (1) is reported. The molecular structure displays a metal-metal bond of 2.7121(4) A ˚, which is supported by two symmetrical µ-bridging CO groups and, in addition, two terminal carbonyl ligands. In solution, exchange of these carbonyl groups is observed, as shown by C NMR EXSY and VT IR-measurements. It is suggested that the exchange process proceeds via the energetically dis-

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