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Browsing Research Articles (Chemistry) by Author "Fraser, Roan"
Now showing items 1-6 of 6
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Fraser, Roan; Van Rooyen, Petrus H.; Landman, Marile (Taylor and Francis, 2016-09)Homo- and heteronuclear bimetallic carbene complexes of group VII transition metals (Mn and Re), with cymantrene or cyclopentadienyl rhenium tricarbonyl as the starting synthon, have been synthesized according to classic ...
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Landman, Marile; Pretorius, René; Fraser, Roan; Buitendach, Blenerhassit E.; Conradie, Marrigje M.; Van Rooyen, Petrus H.; Conradie, Jeanet (Elsevier, 2014-06)tThe electrochemical behaviour of a series of sixteen novel Fischer ethoxy- and aminocarbenecomplexes of the type [(CO)4(PPh3)W = C(X)R] with R = 2-thienyl or 2-furyl and X = OEt or NHCy,(1-4), [(CO)3(dppe)W = C(X)R] with ...
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Gostynski, Roxanne; Fraser, Roan; Landman, Marile; Erasmus, Elizabeth; Conradie, Jeanet (Elsevier, 2017-05)It is illustrated that the electrochemical redox potentials of chromium(0) Fischer carbene complexes containing a heteroaromatic substituent can be determined to a high degree of accuracy from the gas phase density functional ...
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Landman, Marile; Liu, Renyuan; Fraser, Roan; Van Rooyen, Petrus H.; Conradie, Jeanet (Elsevier, 2014-02)X-ray crystallography data, DFT calculations and cyclic voltammograms in synergy shed light on the mer4fac isomerization process of Cr carbenes of the type [(CO)3(dppe)Cr]C(X)R] with R ¼ 2-thienyl or 2-furyl and X ¼ OEt ...
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Landman, Marile; Buitendach, Blenerhassitt E.; Conradie, Marrigje M.; Fraser, Roan; Van Rooyen, Petrus H.; Conradie, Jeanet (Elsevier, 2015-02)An electrochemical study of a series of mono- and biscarbene complexes of tungsten pentacarbonyl with mono- and dimeric heteroarene substituents are reported and compared in CH3CN and DCM. Results revealed that the order ...
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Gostynski, Roxanne; Fraser, Roan; Landman, Marile; Erasmus, Elizabeth; Conradie, Jeanet (Elsevier, 2017-05)Ethoxy chromium (0) Fischer carbene pentacarbonyl complexes [(CO)5CrC(OEt)R]; R = 2- thienyl (1), 2-furyl (2) were covalently anchored onto aminopropyltrimethoxysilanefunctionalised silicon-wafers to form Cr-grafted ...
Now showing items 1-6 of 6