2 article(s) from Heinze, Katja
- Full Research Paper
- Published 07 May 2018
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Scheme 1: Selected transformations with ferrocene/ferrocenium as SET reagents (a) [27], catalyzed (b,c) [29-31] and medi...
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Scheme 2: Methyl esters of ferrocene carboxylic acids 1 [45,46], 2 [47-49], 2a [50], 2b [51,52], 3, 4 [54] and pseudo octahedral high-spin...
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Figure 1: Normalized cyclic voltammograms for anodic sweeps of 1–4 in CH2Cl2/[n-Bu4N][B(C6F5)4] (scan rate 10...
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Figure 2: Electrochemical potentials E1/2 (vs FcH/FcH+) of esters 1–4 versus sum of Hammett values ∑σp/m with...
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Figure 3: a) Partial ATR IR spectra (transmission normalized, C=O stretching vibration region) of solids 1–4....
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Figure 4: IR spectroelectrochemical oxidation of 3 to 3+ in CH2Cl2/[n-Bu4N][B(C6F5)4] (C=O stretching vibrati...
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Figure 5: a) Normalized UV–vis spectra of 1–4 in CH2Cl2. b) Normalized UV–vis absorptions of 1+–4+ in CH2Cl2/[...
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Figure 6: Absorption energy E of ferrocene bands of 1–4 (a) and energies of the low energy absorption maxima ...
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Figure 7: UV–vis spectroelectrochemical oxidation of 3 in CH2Cl2/[n-Bu4N][B(C6F5)4] (0–1.1 V vs Ag pseudo ref...
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Figure 8: 1H NMR oxidation titration of 3 in CD2Cl2 with [N(2,4-C6H3Br2)3]+ as oxidant. a[N(2,4-C6H3Br2)3]. b...
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- Full Research Paper
- Published 27 Jun 2016
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Scheme 1: Imine formation and isomerization reactions from NH carbene complexes Cr(CO)5(E-2) (a) [27], Cr(CO)5(E/Z...
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Scheme 2: Synthesis of W(CO)5(E-2) from W(CO)5(1Et) [20,21] and aminoferrocene [40,41] with concomitant formation of E-1,2-...
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Scheme 3: Reaction pathways 1a/1b (migration–elimination) and 2a/2b (elimination–migration) for the formation...
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Scheme 4: Reaction pathways 3a/3b/3c (CO dissociation) for the formation of imine E-3 from W(CO)5(E-2).
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Figure 1: DFT calculated oxidative addition/pseudorotation/reductive elimination pathway 3c from W(CO)4(E-2) ...
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Figure 2: DFT calculated geometries of the two hydrido intermediates cis(N,H)-W(CO)4(H)(Z-15) and cis(C,H)-W(...
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Scheme 5: Proposed reaction sequence from W(CO)5(E-2) to W(CO)5(PPh3) in the presence of triphenylphosphane.
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