Chem117 Exam 4 Reactions
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16 Terms
Aledyhyde/Ketone —> α-halo aldehyde/ketone
Acid-Catalysed α-halogenation
Aldehyde/Ketone —> α,α dihalo aldehyde/ketone
Base-promoted α-halogenation
Aldehyde/Ketone —> Carboxylic Acid + Haloform
HVZ Reaction
Carboxylic Acid —> α-bromo acid halide
2 Aldehydes/Ketones —> β-hydroxyaldehyde/ketone
Adol Reaction
β hydroxy aldehyde —> α,β unsaturated aldehyde
Adol Condensation
2 diff ketones/aldehydes —> β-hydroxy ketone/aldehyde mixture of products
Crossed Adol Addition
Aldehydes more reactive electrophilic bc less sterically hindered + less e- donating
ketone typically enolate donor
Ketone/Aldehyde w/ α hydrogens + w/ out—> α,β unsaturated ketone/aldehyde
Claisen-Schmidt Condensation
secondary amine —> LDA
Ketone —> enolate (2 conditions)
Ketone —> β-hydroxyketone +Cs (2 conditions)
cmpd w 2+ aldehyde/ketone —> 5/6-membered ring
2 esters —> β-keto ester
Claisen Condensation
diester —> cyclic β-keto ester
Dieckmann Condensation
ester enolates/dimethyl carbonate w/ α hydrogens + w/ out—> β-keto esters/β-diesters
Crossed Claisen Condensation
ketone + ester —> β-diketone
