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Homework Help: Which lactone is more stable?

  1. Jul 12, 2013 #1


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    1. The problem statement, all variables and given/known data
    In the Kiliani-Fischer synthesis of aldopentose, why a γ lactone is formed when there is a possibilty of δ lactone?

    2. Relevant equations

    3. The attempt at a solution
    I think δ lactone should be more stable as it is a six-membered ring.
  2. jcsd
  3. Jul 13, 2013 #2


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