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Activation of the chlorotris(triphenylphosphine)rhodium(I) hydrogenation catalyst by oxygen or hydrogen peroxide

✍ Scribed by H. van Bekkum; F. van Rantwijk; T. van de Putte


Publisher
Elsevier Science
Year
1969
Tongue
French
Weight
106 KB
Volume
10
Category
Article
ISSN
0040-4039

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✦ Synopsis


Wilkinson et al. (1,2,3) found chlorotris(triphenylphosphine)rhodium(I)

to be an active catalyst in the hydrogenation of olefinic and acetylenic bonds. A mechanism was advanced


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pH-Dependence in the Cu(I)-mediated oxid
✍ J. K. Okunowski; H. E. van Dam; H. van Bekkum πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 311 KB

## Abstract pH is shown to exert a profound effect on the selectivity of the Cu(I)‐mediated oxidation of toluene with oxygen or hydrogen peroxide. At low pH, methyl‐group oxidation predominates, whereas at pH > 3, ring hydroxylation prevails. A common mechanism for oxygen and hydrogen peroxide oxid