The character of interaction of organometallic derivatives of 4-nitrophenol and 4-nitrothiophenol with anions in different mediaстатья
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Дата последнего поиска статьи во внешних источниках: 24 марта 2017 г.
Аннотация:Interaction of R(n)M-derivatives of 4-nitrophenol and thiophenol (R(n)M = PhHg, PPh(3)Au, Ph(3)Sn, Ph(4)Sb) with a set of inorganic and organic anions (Cl-, Br-, I-, CN-, [PhOCO](-), [4-NO2C6H4OCO](-)) was studied by IR and electronic spectroscopy in solvents with different polarities and coordinating properties (C6H6, CH2Cl2. DMSO). The dependence of the character of the interaction with the anions on the nature of the metal atom and heteroatom, the type of anions and the nature of the media was analyzed. Such interaction leads to ion-molecular complexes, and also to dissociation of the X-M bond (X = O, S, M = Au, Hg, Sb) with formation of the (4-NO(2)C(6)H(4)X)(-) anion even in weakly polar media. Only in the case of 4-NO(2)C(6)H(4)OSnPh(3) does the reaction stop at the stage of complex formation. In other cases the role of complex formation with anions is less than with neutral coordinating reagents.