4%20Handout%20%28seeing%20conformations%29 - How to draw...

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Unformatted text preview: How to draw and to 'translate' molecules shown in the chair conformation Introduction: The most stable conformation of cyclohexanes is the chair conformation. Due to the 'rufFed' structure of the chair conformation, it is difcult to draw and to picture in your mind. (You will not be asked to draw the chair form but you should be able to recognize when two chair forms are the same and when two chair forms are ring Fip conformers.) How to: 1) All the carbons in the chair conformation are the same. In the side view, the carbons on the ends (C1 and C4) look different from the ones in the middle (C2 and C3). But they are all the same. You should make a model to convince yourself that this is true. OH top view of chair 1 4 3 2 side view of chair 1 4 3 2 One of the consequences of this is that a substituted cyclohexane can look different depending upon which side view is chosen. top view of chair a b c side views of chair with OH group equatorial OH HO OH a) b) c) or or 2) Identifying axial and equatorial groups. Identifying axial and equatorial groups....
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This note was uploaded on 02/23/2012 for the course CHEM 333 taught by Professor Lavigne during the Spring '09 term at South Carolina.

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4%20Handout%20%28seeing%20conformations%29 - How to draw...

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