Mechanistic study of β-hydroxy elimination from [tetra sulphophthalocyanine CoIII-CR1R2CR3R4OH] in aqueous solutions. A pulse radiolysis study

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Abstract

The reactions of cobalt(II) tetrasulphophthalocyanine, [CoII(tspc)]4- with .CH3, .CH2CH2OH, .CH(CH3)CH2OH, .CH(CH3)CH(CH3)OH and .CH2C(CH3)2OH free radicals have been studied. The results indicate that the first product formed in these reactions has the form [CoII- (tspc-R)]4-, where R is the aliphatic free radical, the exact nature of the bonding of .R to tspc is not clear. The complex [CoII-(tspc-R)]4- rearranges into [(tspc)CoIII-R]4- in a process obeying a first-order rate law. [(tspc)CoIII-CH3]4- decomposes into [CoIII(tspc)]3- + CH4, whereas the complexes [(tspc)CoIII- CR1R2CR3R4OH]4- decompose into [CoIII(tspc)]3- + R1R2C=CR3R4+ OH-.

Original languageEnglish
Pages (from-to)1169-1179
Number of pages11
JournalPhysical Chemistry Chemical Physics
Volume85
Issue number5
DOIs
StatePublished - 1 Dec 1989

ASJC Scopus subject areas

  • General Chemistry

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