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Acta Cryst. (2013). C69, 947-953
[ doi:10.1107/S0108270113015898 ]

Improved syntheses, and structural and electronic characterization of carboxamide-substituted TpCONHPh,Me and TpCONHt-Bu,Me ligands

E. R. Sirianni, G. P. A. Yap, E. S. Akturk and K. H. Theopold

Synopsis: Improved syntheses and electronic characterization of carboxamide-substituted tris(pyrazolyl)borate ligands are reported. Their TlI salts and the CuI carbonyl complexes have been prepared and are compared with alkyl-substituted tris(pyrazolyl)borate ligands.

Formula: [Tl(C33H31BN9O3)], [Tl(C27H43BN9O3)], [Cu(C33H31BN9O3)(CO)]·3C4H8O and [Cu(C27H43BN9O3)(CO)]·0.5C4H8O


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