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Isomers of Pentene So confused!

  1. Jun 2, 2006 #1
    I have a question where I have to name the isomers of pentene. I understand how to do pent-1-ene and pent-2-ene, then I am stuck. Any prodding?
    Thanks!
     
  2. jcsd
  3. Jun 2, 2006 #2

    Gokul43201

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    You've changed the positions of the double bond. Now try changing positions of the C-atoms. Pluck one out at the end and stick it back somewhere else.

    Also, keep in mind that such threads belong in the Homework and Coursework forum.
     
  4. Jun 21, 2006 #3
    Does the name 3-methyl-but-1-ene mean anything to you?
    (Not forgetting cyclopentane, of course).
     
  5. Jun 21, 2006 #4
    Right, 3-methylbut-1-ene is an isomer of pentene.

    ~But,
    In addition to:
    *pent-1-ene
    *pent-2-ene (both E & Z :biggrin:)
    *3-methylbut-1-ene
    *cyclopentane

    Consider:
    *2-methylbut-1-ene
    *2-methylbut-2-ene
    *ethylcyclopropane
    *dimethylcyclopropane
    *methylcyclobutane
     
    Last edited: Jun 21, 2006
  6. Jul 19, 2006 #5
    Thanks a lot even i got stuck after pent-1-ene, pent-2-ene and 2-methyl-but-1-ene.Again thanks for helping me to finish my homework.
     
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