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Karthik posted an Question
July 17, 2021 • 19:01 pm 30 points
  • CSIR NET
  • Chemical Sciences

Electrocyclic reaction will take place only in cis alkenes and alkynes or it can happen in trans alkens

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    Karthik Dk

    Can you tell me in which website you are taking these images

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    Dinesh khalmaniya 1 Best Answer

    yes, electrocyclic reaction takes place in only cis alkene.not in trans alkene or alkyne because symmetric approach is not possible. but if trans double bonds are arranged in such a way that symmetric approach is possible after rotation about single bond then electrocyclic reaction can be possible. check the below example

    images (7).png
    images (6).png
    Screenshot_20210717-190535_Chrome.jpg
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