Draw the diazonium cation formed when cytosine reacts with NaNO2 in the presence of HCl
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Question “Draw the diazonium cation formed when cytosine reacts with NaNO2 in the presence of HCl”
Answer
Diazonium salt is an intermediate in Sandmeyer reactions. It is used to convert aromatic amines into aryl-halides. Initial aniline and arylamines were treated using nitrous acid. This was made in-situ from the reaction of sodium Nitrite with monoprotic Acid (HX). The intermediate diazonium salt, which then reacts with the halide ion in order to make arylhalide.
Below is a diagram of the preparation of dizonium salts
This diazonium sodium salt reacts further with copper halide, resulting in aryl halide.
Below is the reaction condition:
The above reaction conditions clearly indicate that this reaction is the preparation of diazonium salts.
Below is the mechanism of the preparation.
The diazonium sodium salt is the final product of this reaction.
The reaction’s final diazonium product is shown below.
Ans:
In the reaction of cytosine and $math_tag_0, dizonium cation is formed
Conclusion
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