Synthesis and spectroscopic studies of nickel(II) chalcogenolates derived from 1,2-diarylchalcogenolato-o-xylene |
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Authors: | Gupta Sushil K Parihar Jaya Tripathi Santosh K |
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Institution: | (1) School of Studies in Chemistry, Jiwaji University, Gwalior, 474 011, India |
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Abstract: | Nickel(II) chalcogenolate complexes Ni(L-L)2(dppe) Cl2] (1, 2) have been prepared in high yields by reacting 1,2-diarylchalcogenolato-o-xylene, o-C6H4(CH2EAr)2 (E = Se or Te; Ar = Ph, C6H4OMe-4 and C6H4OEt-4), generated in situ, with Ni(dppe)Cl2 dppe = 1,2-bis(diphenylphosphino)ethane] in benzene. The structures were established by elemental analyses, molar conductance, i.r. and
Raman, electronic 1H- and 31P-n.m.r. and mass spectral data. The analytical and spectroscopic data are consistent with an octahedral geometry around nickel
in (1) and (2). The 31P-n.m.r. spectra indicate their cis configuration in solution.
This revised version was published online in June 2006 with corrections to the Cover Date. |
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