Osmium(VIII)-Catalyzed Oxidation of Some Cyclic Amines by Potassium Hexacyanoferrate(III) in Alkaline Media: a Kinetics and Mechanistic Study |
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| Authors: | M M Al-Subu W J Jondi A A Amer M Hannoun M J Musmar |
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| Institution: | (1) Department of Chemistry, An-Najah National University, Nablus, Palestinian autonomy, Israel;(2) College of Pharmacy, An-Najah National University, Nablus, Palestinian autonomy, Israel |
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| Abstract: | Reactions of morpholine, piperidine, and piperazine with Os(VIII)-catalyzed hexacyanoferrate(III) in alkaline media to produce the corresponding lactam have been studied at constant temperature and ionic strength. The reactions followed first-order kinetics with respect to amine] and Os(VIII)] but were independent of Fe(CN)6
3-] and OH-]. The effects of introduced electrolytes, potassium hexacyanoferrate(II), relative permitivity, and temperature have also been studied. A mechanism accounting for these results has been proposed. |
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| Keywords: | morpholine piperidine piperazine Os(VIII) hexacyanoferrate(III) lactam kinetics oxidation |
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