Explain the folowing with one examplea) riemer tiemer reaction b) kolbes reaction c) wurtz fitting reaction
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(i) Kolbes reaction.
It is a decarboxylative dimerisation of two carboxylic acids (or carboxylate ions) to form carbon carbon bond of alkane.
2RCOO
−
−2e
−
−2CO
2
R−R
(ii) Reimer-Tiemann reaction.
It involves the ortho-formylation of phenols. Phenol is converted to salicylaldehyde.
C
6
H
5
−OH
CHCl
3
3KOH
o−HO−C
6
H
4
−CHO
(iii) Williamson ether synthesis.
Sodium alkoxide reacts with alkyl halide to form an ether.
C
2
H
5
ONa+C
2
H
5
Cl→C
2
H
5
−O−C
2
H
5
+NaCl
SRY I DONT KNOW LAST ONE ..
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