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A complex with nitrogen single, double, and triple bonds to the same chromium atom: synthesis, structure, and reactivityElectronic supplementary information (ESI) available. CCDC 1428950-1428953. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc04608d
A nitrogen-based analogue of the Schrock and Clark "yl-ene-yne" complex, W(CBu t )(CHBu t )(CH 2 Bu t )(dmpe), has been prepared. The new complex is the nitrido, imido, amido anion [NCr(NPh)(NPr i 2 ) 2 ] − , which was structurally characterized with the [K(crypt-2.2.2)] + counterion. The...
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| Main Authors: | , , , , |
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| Format: | Article |
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| Online Access: | Get full text |
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| Summary: | A nitrogen-based analogue of the Schrock and Clark "yl-ene-yne" complex, W(CBu
t
)(CHBu
t
)(CH
2
Bu
t
)(dmpe), has been prepared. The new complex is the nitrido, imido, amido anion [NCr(NPh)(NPr
i
2
)
2
]
−
, which was structurally characterized with the [K(crypt-2.2.2)]
+
counterion. The "Cr-N 1-2-3" complex was prepared from NCr(NHPh)(NPr
i
2
)
2
, which exists as this nitrido-amido tautomer, rather than the bis(imido) Cr(NH)(NPh)(NPr
i
2
)
2
. By selection of electrophile, the nitrido-imido salt K[NCr(NPh)(NPr
i
2
)
2
] can undergo reaction at either the imido or the nitrido to form unusual examples of nitrido or bis(imido) complexes.
A complex with single, double and triple bonds between nitrogen and the same metal center has been synthesized, [NCr(NPh)(NPr
i
2
)
2
]
−
. The complex shows differential activity, with some electrophiles attacking the imido and others the nitrido. |
|---|---|
| ISSN: | 2041-6520 2041-6539 |
| DOI: | 10.1039/c5sc04608d |