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Mechanism of Aldol Condensation: A Step-by-Step Guide, Assignments of Organic Chemistry

A detailed mechanism of the aldol condensation reaction, a crucial process in organic chemistry. It explains the role of hydroxide ions, enolate ions, and alkoxide ions in the reaction, and outlines the steps involved in the condensation process.

What you will learn

  • How does the enolate ion participate in the aldol condensation process?
  • What is the final product of the aldol condensation reaction?
  • What is the role of hydroxide ions in the aldol condensation reaction?

Typology: Assignments

2020/2021

Uploaded on 05/31/2021

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bg1
Phnmu
cuetial
Nganic
chemig-t
Hleo
Condensahon
wth
a
elilute
base
do
9ive
-huehoxey
aleehydes
Helo)
Coned
ensedion
OCcnh
in
aldehucles
haulng
-e
alclols
7his
leacho
n
is
mo+
Commonly
Known
ag
alclal
ond
enJahon
Reachon
CH
+H-CH
H
olil
NaO
CH
B-Hyhney
felehla
Aldehyole
x-Hyhony
qhdleryle.
Mechanisrg
Step
1
OH+H-H-i-H
Ho+CH-
-H
Carbonium
fon
Step2 C
CHs
Ch,-C-H
-C
-
Ch
Step-3
OH
CHs
CH--Ciy o
O+t
CM
P-Ryhony
aldehe.
H
pf3

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Phnmu cuetial^ Nganic chemig-t

Hleo Condensahon

wth a

elilute base do

9ive -huehoxey aleehydes

Helo)

Coned ensedion OCcnh in

aldehucles haulng -e

alclols 7his

leacho n is^

mo+ Commonly Known^

ag

alclal ond enJahon

Reachon

CH +H-CH

H olil NaO

CH

B-Hyhney felehla

Aldehyole

x-Hyhony qhdleryle.

Mechanisrg

Step 1

OH+H-H-i-H Ho+CH- -H

Carbonium fon

Step

C

CHs Ch,-C-H -C - Ch

Step-

OH

CHsCH--Ciy o O+t CM

P-Ryhony aldehe.

H

Mechanism of Aldol

Condensation Step-1: In reverse order, The hydroxide ion deprotonates the aldehyde. 4-

CHO .

CHO tep-2: ere Enolate ion 1 adds to the unreacted aldehyde. HC-H CHCHO HC-CH-CH,CHO Step-3: Alkoxide ion 3 is protonated by water. H,C- H-CH,CHO (^) HC-CH-CH,CHOD 2