Abstract
Kinetics and mechanisms of the following reactions in organic solvents have been studied: (i) formation of Schiff bases from aniline and derivatives of salicylic aldehyde coordinated to Cu(II) and Zn(II); (ii) substitution of one β-diketonate ligand coordinated to Fe(III) by another β-diketonate ligand; (iii) formation of coordinated hemiacetals from β-diketonate ligands and alcohols in coordination sphere of Fe(III); and (iv) formation of urethanes in coordination sphere of Fe(III) (acac)2 OR where acac and OR are acetylacetonate and alkoxide anions. Such compounds as aniline, alcohols and phenylacetylene serve as catalysts of these reactions. Their catalytic action is explained by concerted processes of hydrogen atom transfer in cyclic intermediate structures.
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Zamaraev, K.I., Nekipelov, V.M. & Talsi, E.P. Concerted mechanisms of acid-base catalysis in coordination sphere of metal complexes. Catal Lett 5, 127–141 (1990). https://doi.org/10.1007/BF00763945
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DOI: https://doi.org/10.1007/BF00763945