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Cholesterol Stereochemistry

  1. Jul 6, 2014 #1
  2. jcsd
  3. Jul 6, 2014 #2
    Why not? For the carbon to be a stereocentre, the four groups attached to it must be different and the condition is satisfied here.
     
  4. Jul 6, 2014 #3

    Borek

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    Staff: Mentor

    The ring is not symmetrical - carbons next to the carbon 2 are not equivalent (one is sp3, the other is sp2).
     
  5. Jul 6, 2014 #4
    Could you draw me what the other stereoisomer would look like? I have a huge inability to visualize it. I ended up breaking a part of my model sticks.
     
  6. Jul 6, 2014 #5

    Borek

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    Staff: Mentor

    Assuming the bond going down from the carbon 2 lies on the screen surface, methyl group can either go below the screen, or in front of the screen. As the carbon is sp3 two other bonds have to go the other side.
     
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