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Title: Synthesis, structure and reactivity of a selenoxide derived from a bulky selenide: Bis(2,4,6-trimethylphenyl) selenoxide
Authors: Ghavale, Ninad
Phadnis, Prasad P
Wadawale, Amey
Jain, Vimal K
Keywords: Coordination chemistry
Organometallic chemistry
Organoselenium compounds
NMR spectroscopy
X-ray diffraction
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: Bis(2,4,6-trimethylphenyl) selenoxide has been synthesized by oxidation of bis(2,4,6-trimethylphenyl) selenide with aqueous H<sub>2</sub>O<sub>2</sub> and characterized by elemental analysis and NMR spectroscopy (<sup>1</sup>H, <sup>13</sup>C{<sup>1</sup>H} and <sup>77</sup>Se{<sup>1</sup>H}). The single crystal X-ray diffraction analysis reveals that the selenium atom adopts a trigonal pyramidal configuration. The reactions of bis(2,4,6-trimethylphenyl) selenoxide with various thiols and other proton donor species in CDCl<sub>3</sub> have been studied by <sup>77</sup>Se{<sup>1</sup>H}; NMR spectroscopy that with thiols at room temperature regenerated the selenide. The data indicate that the selenoxide acts as a hydrogen bond acceptor to give Mes<sub>2</sub>Se=O<sup>…</sup>HX (Mes = 2,4,6-trimethylphenyl or mesityl) species.
Description: 22-26
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.50A(01) [January 2011]

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