Oxidative Deoximation of 3-Alkyl Substituted 2,6-Diphenyl Piperidin-4-one Oximes by Pyridinium Fluorochromate: A Kinetic Study
Corresponding Author(s) : K. Tharini
tharini71@yahoo.co.in
Asian Journal of Chemistry,
Vol. 21 No. 1 (2009): Vol 21 Issue 1
Abstract
The oxidation of oximes of 2,6-diphenyl piperidin-4-one and various alkyl substituted 2,6-diphenyl piperidin-4-one by pyridinium fluorochromate (PFC) has been studied. The reaction follows first order each in [PFC] and [oxime]. The reactivity sequence observed is 3-H > 3-Me > 3-Et > 3,3-dime > 3-ipr which has been rationalized on the basis of steric crowding by the substituents.
Keywords
Piperidone oximes
Kinetics
Oxidation
Pyridinium fluorochromate
Mechanism
(1)
Tharini, K.; Jani Bai, T.; Lakshmi, M. Oxidative Deoximation of 3-Alkyl Substituted 2,6-Diphenyl Piperidin-4-One Oximes by Pyridinium Fluorochromate: A Kinetic Study. ajc 2010, 21, 257-262.
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