Matches in SemOpenAlex for { <https://semopenalex.org/work/W2100026590> ?p ?o ?g. }
- W2100026590 endingPage "187" @default.
- W2100026590 startingPage "171" @default.
- W2100026590 abstract "The dioxovanadium(V) complexes [VO2(3,5-Me2Hpz)3][BF4] (1) (pz=pyrazolyl), [VO2{SO3C(pz)3}] (2), [VO2{HB(3,5-Me2pz)3}] (3) and [VO2{HC(pz)3}][BF4] (4), bearing pyrazole or scorpionate ligands, were obtained by reaction of triethyl vanadate [VO(OEt)3] with hydrotris(3,5-dimethyl-1-pyrazolyl)methane [HC(3,5-Me2pz)3] or 3,5-dimethylpyrazole (3,5-Me2Hpz; 1), lithium tris(1-pyrazolyl)methanesulfonate {Li[SO3C(pz)3], 2}, potassium hydrotris(3,5-dimethyl-1-pyrazolyl)borate {K[HB(3,5-Me2pz)3], 3} and hydrotris(1-pyrazolyl)methane [HC(pz)3, 4], respectively. Treatment of [VO(OEt)3] with potassium hydrotris(1-pyrazolyl)borate {K[HB(pz)3]} led to the mixed η3-tris(pyrazolyl)borate and η2-bis(pyrazolyl)borate oxovanadium(IV) complex [VO{HB(pz)3}{H2B(pz)2}, 5]. The compounds were characterized by elemental analyses, IR, NMR and EPR spectroscopy, FAB and ESI mass spectrometry, cyclic voltammetry and, for 5, also by single crystal X-ray diffraction analysis. All complexes exhibit catalytic activity in the single-pot carboxylation [in trifluoroacetic acid/potassium peroxodisulfate (CF3COOH/K2S2O8)] of gaseous alkanes (methane and ethane) to carboxylic acids (yields up to 40%, TONs up to 157) and in the peroxidative oxidation [in water/acetonitrile (H2O/NCMe)] of liquid alkanes (cyclohexane and cyclopentane) to the corresponding alcohols and ketones (yields up to 24%, TONs up to 117), under mild conditions." @default.
- W2100026590 created "2016-06-24" @default.
- W2100026590 creator A5010479387 @default.
- W2100026590 creator A5028672112 @default.
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- W2100026590 creator A5060946747 @default.
- W2100026590 creator A5061527997 @default.
- W2100026590 creator A5081571915 @default.
- W2100026590 date "2010-01-04" @default.
- W2100026590 modified "2023-10-18" @default.
- W2100026590 title "Novel Scorpionate and Pyrazole Dioxovanadium Complexes, Catalysts for Carboxylation and Peroxidative Oxidation of Alkanes" @default.
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