stereochemistry

How to Draw Newman Projections

How to Draw Newman Projections

You probably don’t want me designing your house. I can’t look at floorplans and ‘see’ what the finished building will be like. Similarly, when it came to understanding molecules in 3D, I wasn’t a natural. I particularly remember being bad at Newman projections! And yet, as a research organic chemist, my specialty was stereochemistry. How…

How to Assign R and S Configurations Without a Molecular Model
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How to Assign R and S Configurations Without a Molecular Model

Chiral centers come in two flavours – vanilla or chocolate chip… Just kidding! They come in R and S varieties. There’s a three-step process for assigning the R or S, and one of the steps in putting the lowest priority group at the back, away from you. But what do you do when the lowest priority group isn’t behaving and isn’t already…

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