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Can someone help me with this, The major product in the following reaction is:

The major product in the following reaction is:

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

Answers (1)
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Basicity of Aromatic Amines -

The unshared pair of electrons at the nitrogen atom is in resonance with the benzene ring and hence not fully available for donation as in the case of aniline.

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Nature of group and basicity -

Electron withdrawing groups ( -I and -M  effect ) decreases basicity, whereas Electron releasing groups ( +I and +M  effect ) increases basicity.

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\rightarrow 1,3,7 Nitrogen have localised lone pair

\rightarrow  They have delocalised lone pair so, they are less nucleophilic and less basic

\Rightarrow1&3 Nitrogen is mare Nucleophilic and more basic as compared to Nitrogen

\Rightarrow Moreover, 3-Nitrogen is most Nucleophilic because of less crowding

                                    More N\mu ^{\circleddash } because of less crowding

                                                                                e^{-} density more at 1,3

                                                                                 But 3rd N is most   N\mu ^{\circleddash }                     

 


Option 1)

Option 2)

Option 3)

Option 4)

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