Step 1- The Synthesis of Dehydrozingerone from Vanillin Step 1 HO Vanillin H + KOH Acetone/H₂O Reflux ALDOL CONDENSATION HO fre Dehydrozingero ne (Vanillid enea ce to ne)
Step 1- The Synthesis of Dehydrozingerone from Vanillin Step 1 HO Vanillin H + KOH Acetone/H₂O Reflux ALDOL CONDENSATION HO fre Dehydrozingero ne (Vanillid enea ce to ne)
Chapter22: Carbonyl Alpha-substitution Reactions
Section22.SE: Something Extra
Problem 64AP: The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold...
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Question
In the attached reaction experiment, dur the conversion of vanillin to dehydrozingerone multiple color changes occur. (colorless to yellow to deep red back to yellow) Explain what causes these color shifts. Be sure to include the appropriate chemical structures as part of your answer.
![Step 1- The Synthesis of Dehydrozingerone from Vanillin
Step 1
HO
Vanillin
H
+
KOH
Acetone/H₂O
Reflux
ALDOL CONDENSATION
HO
fre
Dehydrozingero ne
(Vanillid enea ce to ne)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc4436f5f-01e3-4d46-baa5-3f23cf388ae7%2F165b9a4b-a8ee-4bc9-bc6d-a997260e23a1%2Fj4knim_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Step 1- The Synthesis of Dehydrozingerone from Vanillin
Step 1
HO
Vanillin
H
+
KOH
Acetone/H₂O
Reflux
ALDOL CONDENSATION
HO
fre
Dehydrozingero ne
(Vanillid enea ce to ne)
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