]>Catalytic Oxidative Cleavage of C=N Bond in the Presence of Zeolite H-NaX Supported <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mtext>Cu</mml:mtext><mml:msub><mml:mrow><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:msub><mml:mrow><mml:mtext>NO</mml:mtext></mml:mrow><mml:mtext>3</mml:mtext></mml:msub></mml:mrow><mml:mo>)</mml:mo></mml:mrow></mml:mrow><mml:mtext>2</mml:mtext></mml:msub></mml:mrow></mml:math>, as a Green Reagent : Table 2
Table 2: The effect of various solid supports on the oxidative cleavage of benzaldehyde semicarbazone (a mixture of benzaldehyde semicarbazide (0.05 g) and supported reagent (0.25 g) was refluxed in dichloromethane for 2 hour).

RunSolid acid supportYield of Benzaldehyde %

1H-NaX91
2NaX20
3NaY24
4ZSM-534
5MCM-4112
6 S i O 2 14
7None