Reaction of trans-2-phenyl-1-bromocyclopentane on reaction with alcoholic produces
4-phenylcyclopentene
2-phenylcyclopentene
1-phenylcyclopentene
3-phenylcyclopentene.
As we learnt in
Reaction of alkyl halide with KOH (alc) -
- elimination reaction take place and produces alkenes.
Option 1)
4-phenylcyclopentene
This option is incorrect.
Option 2)
2-phenylcyclopentene
This option is incorrect.
Option 3)
1-phenylcyclopentene
This option is incorrect.
Option 4)
3-phenylcyclopentene.
This option is correct.
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