E,Z isomerism

Discussion in 'General Science' started by boks, Dec 2, 2008.

  1. boks

    Thread Starter Active Member

    Oct 10, 2008
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    Is this the E or Z isomer of 3-isopropyl-2-heptene?

    [​IMG]

    My book says Z, but I would think it's E. On the left, there is no doubt which group has higher priority. I would believe that on the right side, the lower group has the higher priority because there is a longer chain of C-atoms.
     
  2. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    Zusammen is correct. Follow the rules for establishing priority. The isopropyl group has 2 carbons attached to the atom in question. The other chain only has one.

    John
     
  3. triggernum5

    Active Member

    May 4, 2008
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    These forums are going to get pretty slow when you graduate..:)
     
  4. boks

    Thread Starter Active Member

    Oct 10, 2008
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    Sorry if I'm posting too much.
     
  5. triggernum5

    Active Member

    May 4, 2008
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    What, you think I want dead forums? I'm just waiting until you ask something I can answer that jpan hasn't already answered..
     
  6. jpanhalt

    AAC Fanatic!

    Jan 18, 2008
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    I teach all day Thursday, so have at it. John
     
  7. boks

    Thread Starter Active Member

    Oct 10, 2008
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    12 threads in four years until I started posting. It used to be dead, indeed.
     
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