Following the previous review of the same title and authors, this up-date deals with the research progress in regeneration of carbonyl compounds from oximes starting from 2001 until today, including some additional deoximation methods appeared during the publication of the previous review. In these years, this topic was dealt together with that of other carbonyl compound derivatives only three times of which one in the presence of microwaves. In particular, this review concerns deoximations of aldo- and keto-oximes under mild conventional conditions and under ultrasound, ultraviolet and microwave irradiation. Special importance has been given to heterogeneous and solvent-free reactions which, among their different peculiarities, were imperative with the increasing environmental concern that requires new eco-friendly reagents to be developed. The initial part of the review, however, is referred to the methods relative to conventional deoximation reactions in aqueous and non-aqueous solution.
Keywords: Carbonyl Compounds, Oximes, deoximation methods, microwave irradiation, solvent-free reactions, ultraviolet, Spectroscopy
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