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Reimer-Tiemann reaction introduces an al...

Reimer-Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reacrtion involves electrophilic aromatic subsititution. It is a general method for the synthesis of subsituted salicyladehydes as depiced below:

Which one of the following reagents is used in the above reaction ?

A

aq. `NaOH + CH_(3)Cl`

B

aq. `NaOH + CH_(2)Cl_(2)`

C

aq. `NaOH + CHCl_(3)`

D

aq. `NaOH + C Cl_(4)`

Text Solution

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The correct Answer is:
C
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Reimer-Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reacrtion involves electrophilic aromatic subsititution. It is a general method for the synthesis of subsituted salicyladehydes as depiced below: The structure of the intremediate (I) is:

Reimer-Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reacrtion involves electrophilic aromatic subsititution. It is a general method for the synthesis of subsituted salicyladehydes as depiced below: The electrophile in this reaction is:

Reimer -Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substituted salicyladehydes as depicted below. The structure of the intermediate I is

Reimer -Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substituted salicyladehydes as depicted below. The electrophile in this reaction is

RESONANCE-AROMATIC COMPOUNDS-Exercise-3 (Part-I) JEE Advanced
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  2. What are P & Q.

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  3. Reimer-Tiemann reaction introduces an aldehyde group on to the aromati...

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  7. Match the reactions in Column I with appropriate options in Column II.

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  16. Match the four material (P, Q, R, S) given in List -I with the corresp...

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