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Issue 43, 2014
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Syntheses of sterically shielded stable carbenes of the 1,2,4-triazole series and their corresponding palladium complexes: efficient catalysts for chloroarene hydrodechlorination

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Abstract

The new sterically shielded 1,3,4-trisubstituted 1,2,4-triazol-5-ylidenes 8b–d were synthesized by a three step method starting from 2-phenyl-1,3,4-oxadiazole. The syntheses of palladium complexes 9a–d and 10a–d (including the sterically shielded derivatives 9c,d and 10a–d) were carried out via the reactions of the stable carbenes 8a–d with palladium halogenide salts in THF or toluene solution. Complexes 9c,d and 10a–d were found to be excellent catalysts for the reductive dechlorination (hydrodechlorination) of p-dichlorobenzene. The structures of 8c, 9a,b, and 10a were determined by single-crystal X-ray diffraction.

Graphical abstract: Syntheses of sterically shielded stable carbenes of the 1,2,4-triazole series and their corresponding palladium complexes: efficient catalysts for chloroarene hydrodechlorination

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Publication details

The article was received on 07 May 2014, accepted on 24 Jun 2014 and first published on 26 Jun 2014


Article type: Paper
DOI: 10.1039/C4DT01353K
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Dalton Trans., 2014,43, 16227-16237

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    Syntheses of sterically shielded stable carbenes of the 1,2,4-triazole series and their corresponding palladium complexes: efficient catalysts for chloroarene hydrodechlorination

    N. V. Glinyanaya, V. Sh. Saberov, N. I. Korotkikh, A. H. Cowley, R. R. Butorac, D. A. Evans, T. M. Pekhtereva, A. F. Popov and O. P. Shvaika, Dalton Trans., 2014, 43, 16227
    DOI: 10.1039/C4DT01353K

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