The oxyfunctionalization of cyclohexane catalyzed by Mn(II) complexes included in zeolite Y

The oxygen transfer from tert-butylhydroperoxide (TBHP) to cyclohexane and the formation of cyclohexanol and cyclohexanone is catalyzed by Cr(III), Mn(II), Fe(II), Co(II), Ni(II), and Cu(II) exchanged with zeolite Y. This oxidation was successfully achieved on complex Mn(II) with ligands of 2,2'-bipyridine, ethylenediamine, tetramethylethylenediamine, and tetramethyl 1,8-naphtalenediamine included in zeolite Y. The enhancement of the conversion percentage from 2.4% to 60% shows that the transition metal complex immobilized on zeolite Y represent a good cytochrome P-450 type oxidation system. (C) 1999 Elsevier Science B.V. All rights reserved.