Dehydration of glycerol to give acrolein

Started by apurva, September 29, 2022, 02:48:24 PM

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apurva

September 29, 2022, 02:48:24 PM Last Edit: September 30, 2022, 04:34:31 AM by uma
Question:
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chenbeier

#1
September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO

uma

#2
September 30, 2022, 04:33:46 AM
Quote from: chenbeier on September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO
Step by step explanation of mechanism of dehydration of glycerol to give acrolein.
Protonation of alcohol  to give secondary carbocation.
water eliminated
Protonation of alcohol
Deprotonation
Formation of carbocation which is undergoing pinacol-pinacolone  rearrangement
water eliminated
elimination of H from beta carbon to for carbon-carbon double bond.
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uma

#3
September 30, 2022, 05:53:03 AM
Quote from: chenbeier on September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO
Students don't want only answer. They want explanation. Answer any one can search on internet.
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