H3C NH- lidocaine

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Show how lidocaine, one of the most widely used injectable anesthetics, can be prepared from benzene and compounds containing no more than four
carbons.

H3C
NH-
lidocaine
Transcribed Image Text:H3C NH- lidocaine
Expert Solution
Step 1

Lidocaine preparation can be done from benzene in the following steps-

Step 1: Nitration reaction of Benzene in presence of HNO3 and H2SO4.

Chemistry homework question answer, step 1, image 1

Step 2: Reduction of nitro-product by using Palladium as a catalyst.

Chemistry homework question answer, step 1, image 2

Step 2

Step 3: Further reacting product with acyl chloride as shown below.

Chemistry homework question answer, step 2, image 1

Step 4: Sulphonation of the product in step 3 and followed by Friedel craft alkylation reaction in excess of CH3Cl as shown below.

Chemistry homework question answer, step 2, image 2

 

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