here they are 1.

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hi im doing some homework on copper catalyed aerobic oxidations and theres some questions that i dont get. here they are

1. 4-hydroxy benzyl alcohol is not capable of undergoing oxidation with the present (bpy)Cu/TEMPO catalytic system, where the starting material is largely recovered at the end of the reaction, as evidenced by GC. Propose an explanation as to why no reaction is observed.

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2. When a co-solvent of 1:1 H2O:CH3CN is employed, the oxidation of a primary alcohol with the (bpy)Cu/TEMPO system is much slower than with acetonitrile as a solvent. How can you account for this observation. 

3. Provide a mechanism for the transformation of 2-amino-5-bromobenzaldehyde to a quinoline with addition of 2-butanone and NaOH.

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