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Simple generation of a dirhodium μ-carbido complex via thiocarbonyl reductionElectronic supplementary information (ESI) available: Synthetic procedures, spectroscopic and crystallographic data. CCDC 1834291-1834295. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8dt02524j
The reaction of [RhCl(CS)(PPh 3 ) 2 ] with excess catecholborane affords the cumulenic carbido complex [Rh 2 (μ-C)Cl 2 (PPh 3 ) 4 ] which undergoes phosphine and halide substitution to afford a range of complexes in which the Rh&z.dbd;C&z.dbd;Rh spine remains intact. Amongst these, the react...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Online Access: | Get full text |
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| Summary: | The reaction of [RhCl(CS)(PPh
3
)
2
] with excess catecholborane affords the cumulenic carbido complex [Rh
2
(μ-C)Cl
2
(PPh
3
)
4
] which undergoes phosphine and halide substitution to afford a range of complexes in which the Rh&z.dbd;C&z.dbd;Rh spine remains intact. Amongst these, the reactions with K[L] (L = H
2
B(pz)
2
, H
2
B(pzMe
2
)
2
, HB(pz)
3
; pz = pyrazol-1-yl) afford [Rh
2
(μ-C)(PPh
3
)
2
(L)
2
] whilst with K[HB(pzMe
2
)
3
] the unsymmetrical complex [Rh
2
H(μ-C)(μ-C
6
H
4
PPh
2
-2){HB(pzMe
2
)
3
}
2
] is obtained in which the carbido ligand spans d
6
-Rh(
iii
) and d
8
-Rh(
i
) centres.
The reaction of [RhCl(CS)(PPh
3
)
2
] with excess catecholborane affords the cumulenic carbido complex [Rh
2
(μ-C)Cl
2
(PPh
3
)
4
] which undergoes phosphine and halide substitution to afford a range of complexes in which the Rh&z.dbd;C&z.dbd;Rh spine remains intact. |
|---|---|
| ISSN: | 1477-9226 1477-9234 |
| DOI: | 10.1039/c8dt02524j |