Mechanism of Hydrolysis of the Metal-Carbon Bond in α-Hydroxyalkyl-Chromium(III) Complexes. Effect of Nonparticipating Ligands

Amira Rotman, Dan Meyerstein, Haim Cohen

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The specific rates of reaction of the free radicals -Ch2OH, -CH(CH3)OH, and -C(CH3)2OH with [Cr11(edta)]2-, [CrII(nta)]-, and trans-[(l,4,8,12-tetraazacyclopentadecane)(h20)2CrH]2+ are reported and compared with the analogous reactions with Cr(h20)62+. The spectra of the α-hydroxyalkyl-chromium(III) complexes thus formed are reported and discussed. The rates of hydrolysis of the latter complexes are reported as well as that of cis-[(nta)(h20)Crm-CH3]~. The results point out that the electrophile in these hydrolysis reactions is a solvent water molecule and not a cis aqua ligand as earlier suggested. The effects of the pH of the solution and the addition of acetate on the hydrolysis reactions are reported and discussed.

Original languageEnglish
Pages (from-to)4158-4164
Number of pages7
JournalInorganic Chemistry
Volume24
Issue number24
DOIs
StatePublished - 1 Nov 1985

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