• AJAY VENUGOPAL

      Articles written in Journal of Chemical Sciences

    • Probing the Lewis acidity of heavier pnictogen trichlorides

      JOBHA A JOHNSON AJAY VENUGOPAL

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      Lewis acidity of SbCl3 and BiCl3 has been investigated in the solid as well as in solution state. Two b-ketoimine ligands, [O=C(Me)]CH[C(Me)NHAr] (L1, Ar=2,6-diisopropylphenyl) and [(CH2)2{-N(H)C(Me)CHC(Me)=O}2] (L2) are used to prepare the complexes [(L1)(THF)SbCl3]2 (1),[(L1)(THF)BiCl3]2 (2), [L2SbCl3]2 (3) and [(L2)3(BiCl3)2] (4), which are characterized by multinuclear NMR spectroscopy, elemental analysis and single-crystal X-ray diffraction experiments. Solid-state structural analysis of 1–4 and solution studies on SbCl3 and BiCl3 using the Gutmann-Beckett method reveal the higher Lewis acidity of BiCl3 compared to SbCl3

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