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Syn Conformation

Article ID: 57
Last updated: 20 Feb, 2013
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Syn conformation is a descriptive term given to two substituents attached to adjacent atoms when their bonds are at 0o with respect to each other (the bond angle refers to the C-X and C-Y bonds 0o apart).  Another way to describe bonds that are at 0o is to say they are eclipsed.  Notice the Newman project (left drawing beneath) showing the X atom eclipsing the Y atom.  Below are generic representations of syn conformations in both Newman projects and wedge-and-dash drawings.

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Staggered Conformation     Torsional Angle

Department of Chemistry & Chemical Biology