A "condensation" reaction involves the loss of a small neutral molecule as a follow-up step to an addition reaction. The product is an a,ß-unsaturated aldehyde (or ketone). (*In aldol condensations, the small neutral molecule is water.) Which of the three products shown is the correct aldol condensation products of the reaction shown. Write the mechanism for the dehydration step. Assume the reaction mixture still contains catalytic base. OH NaOH or H adol addition = enolates + aldehyde LOHY Condensation (OH or (H₂O + OH

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A "condensation" reaction involves the loss of a small neutral molecule as a follow-up step to an
addition reaction. The product is an a,ß-unsaturated aldehyde (or ketone). (*In aldol condensations,
the small neutral molecule is water.) Which of the three products shown is the correct aldol
condensation products of the reaction shown. Write the mechanism for the dehydration step. Assume
the reaction mixture still contains catalytic base.
OH
NaOH
H O
adol addition = enolates + aldehyde
loty
Condensation
H
or
OH
or
H
(H₂O + OH)
Transcribed Image Text:A "condensation" reaction involves the loss of a small neutral molecule as a follow-up step to an addition reaction. The product is an a,ß-unsaturated aldehyde (or ketone). (*In aldol condensations, the small neutral molecule is water.) Which of the three products shown is the correct aldol condensation products of the reaction shown. Write the mechanism for the dehydration step. Assume the reaction mixture still contains catalytic base. OH NaOH H O adol addition = enolates + aldehyde loty Condensation H or OH or H (H₂O + OH)
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