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Perfluoroalkyl- and Perfluoroaryl-amidato Derivatives of Ruthenium, Osmium and Iridium

DOI: 10.1039/DT9950003497

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3497 - 3502 (1995)

Update date:2022-08-05

Topics: applications   Transition Metals   Coordination Chemistry   Research and Synthesis  

Authors:

Robinson, Stephen D.Robinson, Stephen D.

Sahajpal, ArvindSahajpal, Arvind

Tocher, Derek A.Tocher, Derek A.

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Article abstract of DOI:10.1039/DT9950003497

Trifluoroacetamide reacted with -NEt3 in boiling toluene to afford the binuclear species 2(PPh3)4> 1a ('head-to-tail' N,O-amidato bridged isomer).In contrast use of as the ruthenium precursor led to formation of 1a as a mixture of 'head-to-tail' and 'head-to-head' isomers plus a small amount of another product 2a which is tentatively formulated as 3(PPh3)4> with one N- and two N,O-bridging amidate ligands.Carbonylation of these products in boiling toluene yielded dicarbonyl species 2(CO)2(PPh3)2> 3a ('head-to-tail' and 'head-to-head' isomers) plus a trace of 3(CO)2(PPh3)2> 4a.Under similar conditions trifluoroacetamide reacted with , , and mer- to yield the mononuclear products 2(CO)(H2O)(PPh3)2> 5a, 2(CO)2(PPh3)2> 6a, (CO)(PPh3)3> 7a and (PPh3)3> 8a respectively, all of which contain monodentate N-bonded trifluoroacetamidate ligands.Pentafluoropropionamide and pentafluorobenzamide yielded analogous products 1b, 2b, 3b and 8b, and 1c respectively.The crystal structure of 2(PPh3)4> 1b has been determined.All other products were characterised by infrared and NMR spectroscopy.

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Product name:[Ru2(μ-Cl)(μ-H)(μ-trifluoroacetamidato)2(CO)2(PPh3)2]

Cas No:172372-95-1

172372-95-1

R&D Labs maybe for 172372-95-1

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