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MCAT O Chem
Cho 8 Aldehydes and ketones
Question | Answer |
---|---|
charges in carbonyl | carbon is partially positive, oxygen is partially negative |
aldehydes are ---- functional groups and ketones are ----- | aldehydes are terminal, ketones are midchain |
how can aldehydes be synthesized from primary alcohols | with PCC |
what can aldehydes be oxidized or reduced too | oxidized to carboxylic acids, reduced too secondary alcohols |
what can ketones be oxidized or reduced too | cannot be oxidized further, can be reduced to secondary alcohols |
what is significant about the enol form | it can act as a nucleophile, but it is not prevalent in solution |
where will nucleophiles typically add to the carbonyl carbon | to the electropositive carbonyl carbon |
Wittig reaction | swaps out C=O for C=C |
Wolf-Kishner and Clemmensen | The Wold-Kischner reduction and Clemmensen reduction reduce ketones or aldehydes to alcohols |