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Jayaratna N.B.,University of Texas at Arlington | Gerus I.I.,Institute of Bioorganic Chemistry and Petrochemistry NUAS | Mironets R.V.,Institute of Bioorganic Chemistry and Petrochemistry NUAS | Mykhailiuk P.K.,Taras Shevchenko National University | And 2 more authors.
Inorganic Chemistry | Year: 2013

Silver and copper ethylene adducts and the silver carbonyl complex of the tris(pyrazolyl)borate [HB(3,4,5-(CF3)3Pz) 3]- (which is based on one of the most acidic pyrazoles known) have been synthesized. 13C NMR resonance signals of metal-bound ethylene carbon atoms of [HB(3,4,5-(CF3) 3Pz)3]Ag(C2H4) and [HB(3,4,5-(CF3)3Pz)3]Cu(C2H 4) appear at δ 111.6 and 94.9, respectively. The CO stretching frequency of the silver adduct [HB(3,4,5-(CF3)3Pz) 3]Ag(CO) is significantly higher than that of free CO, but it appears at a region less sensitive to the ligand electronic effects of tris(azolyl)borate silver adducts. © 2013 American Chemical Society. Source

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