Buijs, W., Raja, R., Thomas, J. M. and Wolters, H.
On the similarity in catalytic activity of homogeneous and heterogeneous Cr(VI) catalysts in the decomposition of cyclohexyl hydroperoxide
Catalysis Letters, 91, (3-4), . (doi:10.1023/B:CATL.0000007162.32473.85).
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Pyridinium dichromate, chromium trioxide and CrAlPO-5 showed a very similar selectivity pattern in the decomposition of cyclohexyl hydroperoxide. CrAPO-5 turned out to be a real heterogeneous catalyst, most likely acting via a similar mechanism to the homogeneous catalysts. Molecular modeling indicates that heterolytic decomposition of the intermediate cyclohexyl peroxychromate ester yields cyclohexanone and H2CrO4 via a cyclic transition state.
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