Organic And Biological Chemistry
Solutions
Organic And Biological Chemistry
Draw the structures of the missing substances in each of the following reactions involving amides.
(a)
Interpretation:
Structure of missing substance in the given reaction that involves amides has to be drawn.
Concept Introduction:
Amides are synthesized using amidification reaction. This involves a reaction between amine and carboxylic acid. In this reaction, the 
group present in carboxylic acid and 
from ammonia or amine is lost to give amide as the product. Water is obtained as a by-product in this reaction. The general reaction scheme for synthesis of amides can be given as,
Given reaction is,
As the nitrogen atom present in the above amide has one hydrogen atom bonded to it and the amide is a secondary amide. Secondary amide is produced by the reaction of primary amine with carboxylic acid. The structure of carboxylic acid is given and the structure of primary amine has to be found out.
Hydrogen atom has to be added to the amine part and
(b)
Interpretation:
Structure of missing substance in the given reaction that involves amides has to be drawn.
Concept Introduction:
Amides are synthesized using amidification reaction. This involves a reaction between amine and carboxylic acid. In this reaction, the 
group present in carboxylic acid and 
from ammonia or amine is lost to give amide as the product. Water is obtained as a by-product in this reaction. The general reaction scheme for synthesis of amides can be given as,
(c)
Interpretation:
Structure of missing substance in the given reaction that involves amides has to be drawn.
Concept Introduction:
Amides are synthesized using amidification reaction. This involves a reaction between amine and carboxylic acid. In this reaction, the 
group present in carboxylic acid and 
from ammonia or amine is lost to give amide as the product. Water is obtained as a by-product in this reaction. The general reaction scheme for synthesis of amides can be given as,
(d)
Interpretation:
Structure of missing substance in the given reaction that involves amides has to be drawn.
Concept Introduction:
Amides are synthesized using amidification reaction. This involves a reaction between amine and carboxylic acid. In this reaction, the 
group present in carboxylic acid and 
from ammonia or amine is lost to give amide as the product. Water is obtained as a by-product in this reaction. The general reaction scheme for synthesis of amides can be given as,
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