2.1.3.3 Oxidation of Hydrazo Compounds
Hydrazobenzene can be oxidized to azobenzene with high yield (Scheme 11).
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Scheme 11 |
2.1.3.4 Oxidative Cleavage of 1,2-Diols
1,2-Diol undergoes oxidative cleavage to afford aldehydes or ketones (Scheme 12).
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Scheme 12 |
2.1.3.5 Aromatization
MnO2 has been widely used for the dehydrogenation and aromatization reactions (Scheme 13).
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Scheme 13 |
2.1.3.6. Conversion of Nitriles to Amides
Nitriles are readily converted into amides in the presence of MnO2 under reflux conditions (Scheme 14).
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Scheme 14 |