Efficient synthesis of carborane azo derivatives and their reactivity

An iridium(iii)-catalyzed C-N-bond-forming direct synthesis of carborane azo derivatives was developed. The reaction of o-carborane monocarboxylate with aryldiazonium salt in the presence of a catalytic amount of [Cp*IrCl ] and NaOAc in CH CN at 80 °C gave the corresponding carborane azo derivative...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2017, Vol.46 (5), p.1585-1592
Main Authors: Gao, Yang, Lin, Yue-Jian, Han, Ying-Feng, Jin, Guo-Xin
Format: Article
Language:English
Subjects:
Azo
Bonding
Carborane
Derivatives
Iridium
Nitrogen
Rhodium
Synthesis
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Summary:An iridium(iii)-catalyzed C-N-bond-forming direct synthesis of carborane azo derivatives was developed. The reaction of o-carborane monocarboxylate with aryldiazonium salt in the presence of a catalytic amount of [Cp*IrCl ] and NaOAc in CH CN at 80 °C gave the corresponding carborane azo derivative in good yield. A series of cyclometalated iridium/rhodium complexes that contain Cp*M-B (M = Ir, Rh) bonds, and are stabilised by the intramolecular coordination of nitrogen donors, were successfully isolated and structurally characterised.
ISSN:1477-9226
1477-9234
DOI:10.1039/c6dt04550b