The major product obtained in the following reaction is :

  • Option 1)

     (+)C6H5CH(OtBu)CH2C6H5

  • Option 2)

     (−)C6H5CH(OtBu)CH2C6H5

  • Option 3)

     (±)C6H5CH(OtBu)CH2C6H5

  • Option 4)

     C6H5CH=CHC6H5

     

 

Answers (1)

As we learnt in

Reaction of alkyl halide with KOH (alc) -

\beta- elimination reaction take place and produces alkenes.

- wherein

CH3CH2Br + KOH (alc.) \rightarrow H2C=CH2 + KBr + H2O

 

 E2 reaction mechanism is favoured with bulky recatants and higher temperature.


Option 1)

 (+)C6H5CH(OtBu)CH2C6H5

Incorrect Option

Option 2)

 (−)C6H5CH(OtBu)CH2C6H5

Incorrect Option

Option 3)

 (±)C6H5CH(OtBu)CH2C6H5

Incorrect Option

Option 4)

 C6H5CH=CHC6H5

 

Correct Option

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