Organometallics p. 1901 - 1903 (1983)
Update date:2022-08-02
Topics:
Burns, Gary T.
Colomer, Ernesto
Corriu, Robert J. P.
1,1-Dimethylsilole is an effective ligand for transition-metal complexes. Direct displacement of carbonyl ligands from Fe2(CO)9 and Co2(CO)8 results in the stable complexes (η4-C4H4SiMe2)Fe(CO)3 and [(η4-C4H4SiMe2)(CO) 2Co]2, respectively. (η4-C4H4SiMe2)-(CO) 3Fe undergoes carbonyl replacement with PPh3. Cleavage of the cobalt-cobalt bond is achieved with both iodine and sodium amalgam. The anion obtained from the reduction with sodium amalgam displaces chloride in Ph3SnCl. Displacement of 1,5-cyclooctadiene in (1,5-COD)2Ni and (1,5-COD)Mo(CO)4 affords the Ni0 sandwich complex (η4-C4H4SiMe2)2Ni and the molybdenum complex (η4-C4H4SiMe2) 2Mo(CO)2, respectively.
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Doi:10.1021/jo9002773
(2009)Doi:10.1002/hlca.19300130533
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(2009)Doi:10.1016/S0040-4020(01)87675-4
(1987)
