Organic Chemistry Practice Problems Enantiomers vs. Diastereomers Practice Problems Solution: Draw an enantiomer and diastereomer of the followi...

Solution: Draw an enantiomer and diastereomer of the following compound. Be sure to indicate which is the enantiomer and which is the diastereomer.

Problem

Draw an enantiomer and diastereomer of the following compound. Be sure to indicate which is the enantiomer and which is the diastereomer.

Solution

We’re being asked to draw an enantiomer and diastereomer for the given structure.



Recall that enantiomer is a mirror image isomer of a molecule while a diastereomer is a non-mirror image isomer.


A molecule with 2 or more chiral centers can have enantiomers and diastereomers. In this case, for a pair of molecules to be:

• enantiomers: the configuration of ALL chiral centers must be different

• diastereomers: the configuration of AT LEAST 1 chiral center must be the same


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