REACTIONS OF TRI(ORTHO-TOLYL)- AND TRI(META-TOLYL)ANTIMONY WITH OXIMES IN THE PRESENCE OF AN OXIDANT. THE STRUCTURES OF TRI(ORTHO-TOLYL)- AND TRI(META-TOLYL)ANTIMONY DIOXIMATES
Keywords:
tri(ortho-tolyl)antimony, tri(meta-tolyl)antimony, oximes, tert-butyl hydroperoxide, hydrogen peroxide, oxidizing reactions, bis[4-N, N(dimethylamino)- benzaldoximato]tri(ortho-tolyl)antimony, bis(acetophenonoximato-tri(ortho-tolyl)antimonyAbstract
The triarylantimony dioximates: (о-СH3C6H4)3Sb(ON=CHC6H4N(CH3)2-4)2 (1), (о-СH3C6H4)3Sb(ON=CMePh)2 (2), (m-СH3C6H4)3Sb(ON=CHC4H3O)2 (3) were obtained from the reactions of tri(ortho-tolyl)antimony and tri(meta-tolyl)antimony with appropriate oximes in the presence of hydrogen peroxide and tert-butyl hydroperoxide. According to the X-ray analysis data, antimony atoms are bound to oxygen atoms of axial oximate ligands in the trigonal bipyramidal coordination in molecules 1-3. The peculiarities of molecular structures are short intramolecular contact Sb···N, which is 1 Å less than the sum of Van der Waals radiuses.
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