3-nitroaniline is subjected to the treatment of various reagents in the following sequence. (i) NaNO2/HCl, 280 K (ii) KI (iii) Cu powder The final product will be

Question

3-nitroaniline is subjected to the treatment of various reagents in the following sequence. (i) NaNO2/HCl, 280 K (ii) KI (iii) Cu powder The final product will be (A) 3,3′-diaminobiphenyl (B) 3-iodoaniline (C) 3-nitroiodobenzene (D) 3,3′-dinitrobiphenyl

Tardigrade Admin · Accepted Answer

Final step is Ullmann reaction or Ullmann coupling is a coupling reaction between aryl halides and copper. The final product in the given sequence of reactions is 3,3'-diaminobiphenyl. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/257e12d95aa622841536cf19a41878a0-.png" />

Q. 3-nitroaniline is subjected to the treatment of various reagents in the following sequence.
$(i) N a N O_{2} / H Cl, 280 K$
$(ii) K I$
$(iii) C u$ powder
The final product will be

3,3′-diaminobiphenyl

3-iodoaniline

3-nitroiodobenzene

3,3′-dinitrobiphenyl

Final step is Ullmann reaction or Ullmann coupling is a coupling reaction between aryl halides and copper. The final product in the given sequence of reactions is $3, 3^{'}$ -diaminobiphenyl.

Q. 3-nitroaniline is subjected to the treatment of various reagents in the following sequence. (i)NaNO2​/HCl,280K (ii)KI (iii)Cu powder The final product will be