Cobalt azide complexes with a tris (carbene) borate ligand scaffold
JJ Scepaniak, CG Margarit, RP Bontchev… - … Section C: Crystal …, 2013 - journals.iucr.org
Acta Crystallographica Section C: Crystal Structure Communications, 2013•journals.iucr.org
The four-coordinate CoII complex,(azido-κN)[1, 1,′, 1′′-(phenylboranetriyl) tris (3-tert-
butyl-1H-imidazol-2-ylidene)] cobalt (II),[Co (C27H38BN6)(N3)],(1), denoted PhB (t-BuIm)
3CoN3, was prepared by the reaction of the corresponding chloride complex with NaN3.
One-electron oxidation results in the isolation of the five-coordinate CoIII complex, bis (azido-
κN)[1, 1,′, 1′′-(phenylboranetriyl) tris (3-tert-butyl-1H-imidazol-2-ylidene)] cobalt (III),[Co
(C27H38BN6)(N3) 2],(2), denoted PhB (t-BuIm) 3Co (N3) 2. Attempts to prepare cobalt …
butyl-1H-imidazol-2-ylidene)] cobalt (II),[Co (C27H38BN6)(N3)],(1), denoted PhB (t-BuIm)
3CoN3, was prepared by the reaction of the corresponding chloride complex with NaN3.
One-electron oxidation results in the isolation of the five-coordinate CoIII complex, bis (azido-
κN)[1, 1,′, 1′′-(phenylboranetriyl) tris (3-tert-butyl-1H-imidazol-2-ylidene)] cobalt (III),[Co
(C27H38BN6)(N3) 2],(2), denoted PhB (t-BuIm) 3Co (N3) 2. Attempts to prepare cobalt …
The four-coordinate CoII complex, (azido-κN)[1,1,′,1′′-(phenylboranetriyl)tris(3-tert-butyl-1H-imidazol-2-ylidene)]cobalt(II), [Co(C27H38BN6)(N3)], (1), denoted PhB(t-BuIm)3CoN3, was prepared by the reaction of the corresponding chloride complex with NaN3. One-electron oxidation results in the isolation of the five-coordinate CoIII complex, bis(azido-κN)[1,1,′,1′′-(phenylboranetriyl)tris(3-tert-butyl-1H-imidazol-2-ylidene)]cobalt(III), [Co(C27H38BN6)(N3)2], (2), denoted PhB(t-BuIm)3Co(N3)2. Attempts to prepare cobalt nitrides by thermolysis or photolysis of these complexes were unsuccessful.
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