Copper and Silver Trispyrazolylborate-Phosphinoazide Complexes: Synthesis, Characterization, and Nitrene Generation

Phosphinoazide complexes of the composition TpBr3M-L (M = Cu, Ag, and L = 2-azido-1,3-bis­(2,6-diisopropylphenyl)-2,3-dihydro-1H-1,3,2-diazaphosphole) have been synthesized and structurally characterized. Their thermal decomposition led to cyclodiphosphazenes as a result of the metal-mediated coupli...

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Bibliographic Details
Published in:Inorganic chemistry 2025-01, Vol.64 (1), p.151-157
Main Authors: Rodríguez, Manuel R., Molina, Francisco, Díaz-Requejo, M. Mar, Pérez, Pedro J.
Format: Article
Language:English
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Summary:Phosphinoazide complexes of the composition TpBr3M-L (M = Cu, Ag, and L = 2-azido-1,3-bis­(2,6-diisopropylphenyl)-2,3-dihydro-1H-1,3,2-diazaphosphole) have been synthesized and structurally characterized. Their thermal decomposition led to cyclodiphosphazenes as a result of the metal-mediated coupling of two nitrene units in a process that takes place in both a stoichiometric and catalytic manner. Experimental data have allowed proposing a mechanistic pathway for this new transformation.
ISSN:0020-1669
1520-510X
1520-510X
DOI:10.1021/acs.inorgchem.4c04397