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Issue 22, 2017
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N-Atom transfer via thermal or photolytic activation of a Co-azido complex with a PNP pincer ligand

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Abstract

Thermal or photolytic activation of well-defined mononuclear [Co(N3)(PNP)] (PNP = 2,2′-bis(diisopropylphosphino)-4,4′-ditolylamido) results in the structurally characterized dinuclear species [Co(μ-N;κ3-P,N,N-PNPN)]2 (3), with two N-bridging phosphiniminato bridgeheads. Density Functional Theory (DFT) calculations indicate the intermediacy of a mononuclear cobalt–nitrido complex, followed by N-migratory insertion into a Co–P bond. Reaction of 3 with two equiv. HCl leads to rupture of the dimer with formation of mononuclear [CoCl(PNPNH)] (4) by protonation of the N-bridges.

Graphical abstract: N-Atom transfer via thermal or photolytic activation of a Co-azido complex with a PNP pincer ligand

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Article information


Submitted
10 May 2017
Accepted
12 May 2017
First published
12 May 2017

Dalton Trans., 2017,46, 7145-7149
Article type
Communication

N-Atom transfer via thermal or photolytic activation of a Co-azido complex with a PNP pincer ligand

V. Vreeken, L. Baij, B. de Bruin, M. A. Siegler and J. I. van der Vlugt, Dalton Trans., 2017, 46, 7145
DOI: 10.1039/C7DT01712J

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