Problem: Alanine is shown below as a Fischer projection. Identify the stereochemistry configuration.Which Fischer structures below have the same stereochemistry configuration? 

FREE Expert Solution

Recall that for Fischer projections

  • when H (4th priority) is:
    • Vertical:
      • S → counterclockwise 
      • R → clockwise
    • Horizontal: (flipped)
      • S → clockwise 
      • R → counterclockwise
  • ↑ atomic number ↑ higher priority


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Problem Details
Alanine is shown below as a Fischer projection. Identify the stereochemistry configuration.

Which Fischer structures below have the same stereochemistry configuration? 

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the R and S of Fischer Projections concept. You can view video lessons to learn R and S of Fischer Projections. Or if you need more R and S of Fischer Projections practice, you can also practice R and S of Fischer Projections practice problems.