Abstract
The interaction of dimethyl phosphite with hexacarbonyls of the chromium group metals in a nonpolar solvent has afforded metal(0) σ4,λ4-(dimethyl phosphite)pentacarbonyls containing a hydroxy tautomeric form of dimethyl phosphite in the coordination sphere. Hydrogen of the phosphite OH group in the metal(0) σ4,λ4-(dimethyl phosphite)pentacarbonyls exhibited a significant acidity, strongest for the chromium complexes. Due to the significant acidity of the phosphite hydroxyl, the metal(0) σ4,λ4-(dimethyl phosphite)-pentacarbonyls are intermediates in the electrophilic version of the Pudovik reaction.
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Dedicated to the 110th anniversary of M.I. Kabachnik’s birth
Original Russian Text © A.V. Plotnikova, A.I. Kuramshin, E.V. Kolpakova, V.I. Galkin, 2018, published in Zhurnal Obshchei Khimii, 2018, Vol. 88, No. 9, pp. 1538–1543.
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Plotnikova, A.V., Kuramshin, A.I., Kolpakova, E.V. et al. Stabilization of Hydroxy Tautomeric Form of Dimethyl Phosphite in the Coordination Sphere of Carbonyl Complexes of Group VI Metals. Russ J Gen Chem 88, 1880–1885 (2018). https://doi.org/10.1134/S1070363218090190
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DOI: https://doi.org/10.1134/S1070363218090190