ringfliptutorial - Just like the axials, they alternate,...

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A A A A A A A E E E E E E Each chair structure has 6 axial bonds -- 3 point up and 3 point down. Note that they alternate as you go around the ring. To perform a ring flip, twist the two carbons that are in the plane of the paper in the directions indicated by the arrows Now, every AXIAL bond has become an EQUATORIAL bond. Note, however, that bonds pointing up remain pointing up, and those that point down remain pointing down. E E E E E E Each chair structure also has 6 equatorial bonds -- 3 that tend upwards and 3 that tend down.
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Unformatted text preview: Just like the axials, they alternate, and if the axial is up, the equatorial is down; if the axial is down, the equatorial is up. Do the "ring-flip" as above, and watch the EQUATORIAL bonds become AXIAL. Again, note that up remains up, and down remains down. A A A A A NOTE -- IT MAY HELP TO USE YOUR MODELS IN CONJUNCTION WITH THIS TUTORIAL. Here are some examples. Use your models to see the ring-flips more easily. Br H OH CH 3 Br H OH CH 3 H NH 2 H H H 2 N H F Br H Cl Cl H Br F...
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This note was uploaded on 03/10/2010 for the course CHEM 241 taught by Professor Crouch during the Spring '08 term at Dickinson.

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