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  • Confused! kindly explain, The major product obtained in the following reaction is :

The major product obtained in the following reaction is :

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

Answers (1)

best_answer

 

Hofmann Elimination of Quaternary hydroxides -

This E2 elimination gives the less substituted alkene ( Hofmann product ) rather than the more substituted alkene ( Saytzeff product ). The alkyl group having maximum hydrogen gives the major alkene if R groups attached to nitrogen are different. 

- wherein

[(CH_{3})_{3}NCH(CH_{3})CH_{2}CH_{3}]^{+}OH^{-}\overset{\bigtriangleup }{\rightarrow}(CH_{3})_{3}N+H_{2}C=CHCH_{2}CH_{3}+H_{2}

                  s - Butyltrimethylammonium  hydroxide                                                          1 - Butene

The reaction mechanism 

 

 


Option 1)

Option 2)

Option 3)

Option 4)
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