Enantiomers

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Aren’t D-glucose and L-glucose enantiomers (mirror images)? Cuz the aldehyde groups on the 1st carbon are still the same. So how can they be flipped on each other as mirror images?

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.differencebetween.com%2Fdifference-between-d-and-vs-l-glucose%2F&psig=AOvVaw39-P9S1jjqyO0rfqKtMTi3&ust=1698258315298000&source=images&cd=vfe&opi=89978449&ved=0CBEQjRxqFwoTCOCEzq6nj4IDFQAAAAAdAAAAABAE

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2 Answers

Anonymous 0 Comments

The aldehyde group is free to rotate around the single bond to the next carbon in the chain, so it doesn’t contribute to chirality.

In general, if you have one stereocenter and you rearrange its four groups to the other configuration, you will have an enantiomer

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