Amberlyst A-21 an Excellent Heterogeneous Catalyst for the Conversion of Carbonyl Compounds to Oximes

Oximes can be efficiently obtained at room temperature by simply dissolving the appropriate carbonyl compounds and hydroxylamine hydrochloride, in ethanol, with Amberlyst A-21 as catalyst. Good yields of oximes are obtained, in very short reaction times, even with polifunctionalized substrates.

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