Simun Mishra posted an Question
July 30, 2020 • 13:59 pm 30 points
  • IIT JAM
  • Chemistry (CY)

In case of pinacol pinacolone rearrangment ring expansion takes place in 6.to 7 and 7 to 8 membered ring or not ?

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    Dinesh khalmaniya 1 Best Answer

    No Simun, it's only take place up to 5 member ring

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    but sir in case of only pinacol pinacolone rearrangement it will possible

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    given in a video so I asked

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    no, every case where possible only up to 5 membered. some exception mey be. but very rare

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    wait I'll give some references

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    ok sir

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    see it

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    yes sir

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    you can check this video https://youtu.be/ZBhZ1RYdNqU

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    ok sir tq sir

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    only one case remember where ring expansion take place in 6 member ring is

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    this is due to formation of substituted carbocation

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    this is only one exception you have to remember otherwise only up to 5 membered ring

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    means it always use when substituted c+ present

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    no only in case of cyclohexanol

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    ok sir

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    👍😊😊

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