On the similarity in catalytic activity of homogeneous and heterogeneous Cr(VI) catalysts in the decomposition of cyclohexyl hydroperoxide
On the similarity in catalytic activity of homogeneous and heterogeneous Cr(VI) catalysts in the decomposition of cyclohexyl hydroperoxide
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.
cyclohexane oxidation, chromium, cralpo-5, cyclohexyl hydroperoxide decomposition, molecular modeling, liquid-phase oxidations
253-259
Buijs, W.
9cdeb065-61ed-4b69-a7a6-5c6235234c08
Raja, R.
74faf442-38a6-4ac1-84f9-b3c039cb392b
Thomas, J. M.
bb5d1a2a-46fe-4b1b-844d-214e83b20dab
Wolters, H.
9749430c-607f-4af3-8b55-a3dbb5bda439
2003
Buijs, W.
9cdeb065-61ed-4b69-a7a6-5c6235234c08
Raja, R.
74faf442-38a6-4ac1-84f9-b3c039cb392b
Thomas, J. M.
bb5d1a2a-46fe-4b1b-844d-214e83b20dab
Wolters, H.
9749430c-607f-4af3-8b55-a3dbb5bda439
Buijs, W., Raja, R., Thomas, J. M. and Wolters, H.
(2003)
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).
Abstract
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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Published date: 2003
Keywords:
cyclohexane oxidation, chromium, cralpo-5, cyclohexyl hydroperoxide decomposition, molecular modeling, liquid-phase oxidations
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Local EPrints ID: 54165
URI: http://eprints.soton.ac.uk/id/eprint/54165
ISSN: 1011-372X
PURE UUID: ef1c3ae8-9797-448f-aa31-e1f2db35c550
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Date deposited: 31 Jul 2008
Last modified: 16 Mar 2024 03:51
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Author:
W. Buijs
Author:
J. M. Thomas
Author:
H. Wolters
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