Poly(2-vinylpyridine)(I) and poly(4-vinylpyridine)(II) supported chromium peroxide reagents are readily prepared and used as mild, efficient, selective and easy to handle oxidizing agents for oxidation of benzylic and allylic alcohols.
References
1.
LuzzioF. A., and GuziecF. S., Org. Prep. Proced. Int., 1983, 20, 533; A. Boners, T. G. Halsall, E. R. H. Jones and A. J. Lemin, J. Chem. Soc., 1953, 2548.
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FirouzabadiH., IranpoorN., KiaeezadehF., and ToofanJ., Tetrahedron Lett., 1986, 42, 749.
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FrechetJ. M. J., DarlingP., and FarralM. J.J. Org. Chem., 1981, 46, 1728.
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FirouzabadiH., TamamiB., GoudarzianN., LakourajM. M., and HatamM., Synth. Commun., 1991, 21, 2077.
13.
The nature of the bond between ligand such as pyridine and chromium peroxide is usually shown as Py → CrCO5. GreenwoodN. N., and EarnshawA., Chemistry of The Elements, Pergamon Press, London, 1984, pp. 1192–1193.
