Wet Silica-Supported Permanganate for the Cleavage of Semicarbazones and Phenylhydrazones under Solvent-Free Conditions

University of Wisconsin–Madison, Madison, Wisconsin, United States
The Journal of Organic Chemistry (Impact Factor: 4.72). 06/2003; 68(11):4553-5. DOI: 10.1021/jo034217y
Source: PubMed


Wet silica-supported potassium permanganate was used as an inexpensive and efficient reagent for conversion of semicarbazones and phenylhydrazones to the corresponding carbonyl compounds under solid-state conditions.

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Available from: Abdol R Hajipour, Jul 22, 2015
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    • "In contrast to the oximes, little attention has been paid to the conversion of semicarbazones to their parent carbonyl compounds and the number of effective methods for this reaction remains quite limited. However, most of the reported procedures used for this purpose require the use of solid supports or other auxiliaries, solvents for the extraction from solid supports, high temperature, long reaction time, expensive and not readily available reagents, and tedious work-up procedures [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33]. Consequently, there is a demand for the development of protocols using readily available reagents which operate under extremely mild reaction conditions. "
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