Insertion Reactions of [M(SR)3(PMe2Ph)2] with CS2 (M = Ru, Os; R =
C6F4H-4, C6F5). X-ray Structures of [Ru(S2CSC6F4H-4)2(PMe2Ph)2],
trans-Thiolates [M(SR)2(S2CSR)(PMe2Ph)2] (M = Ru; R = C6F5 and M =
Os; R = C6F4H-4), and trans-Thiolate−Phosphine
[Os(SC6F5)2(S2CSC6F5)(PMe2Ph)2]
posted on 2004-02-09, 00:00authored byMaribel Arroyo, Sylvain Bernès, Joaquín Cerón, Jordi Rius, Hugo Torrens
Reactions of [M(SR)3(PMe2Ph)2] (M = Ru, Os; R = C6F4H-4, C6F5) with CS2 in acetone afford [Ru(S2CSR)2(PMe2Ph)2] (R = C6F4H-4, 1; C6F5, 3) and trans-thiolates [Ru(SR)2(S2CSR)(PMe2Ph)2] (R = C6F4H-4, 2; C6F5, 4) or the
isomers trans-thiolates [Os(SR)2(S2CSR)(PMe2Ph)2] (R = C6F4H-4, 5; C6F5, 7) and trans-thiolate−phosphine [Os(SR)2(S2CSR)(PMe2Ph)2] (R = C6F4H-4, 6; C6F5, 8) through processes involving CS2 insertion into M−SR bonds.
The ruthenium(III) complexes [Ru(SR)3(PMe2Ph)2] react with CS2 to give the diamagnetic thiolate−thioxanthato
ruthenium(II) and the paramagnetic ruthenium(III) complexes while osmium(III) complexes [Os(SR)3(PMe2Ph)2] react
to give the paramagnetic thiolate−thioxanthato osmium(III) isomers. The single-crystal X-ray diffraction studies of
1, 4, 5, and 8 show distorted octahedral structures. 31P {1H} and 19F NMR studies show that the solution structures
of 1 and 3 are consistent with the solid-state structure of 1.