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Haworth projections, anomers and summary

Main concepts

  • Expressing carbohydrates as Haworth projections.
  • Alpha and Beta configurations as anomers

ERROR

There is an error at 3:45 where it is erroneously said that the left group goes down and the right group goes up. The correct orientation is that the groups on the left go up and the groups on the right go down.

The orientation for the L and D sugar CH2OH group mentioned earlier is still correct.

So to correctly summarise:

L-sugars = CH2OH down
D-sugars = CH2OH up
Groups on the left = up
Groups on the right = down

The below file shows the correct diagrams with changes marked in red highlighter.

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