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Q: For the compounds below, draw both chair conformations.
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- Consider the Newman projection below. a. Draw a full Lewis structure of this molecule with R1=Me,R2=Et , and R3=iPr . b. Given the sizes of these R groups (R3R2R1) , does the Newman projection above show thelowest potential energy conformation of this bond? If not, draw a Newman projectionshowing the lowest P.E. conformation (sighting down this same bond). c. To draw a Newman projection in the lowest P.E. conformation, the following rule of thumbusually applies: Place the largest group on the front carbon anti to the largest group on theback carbon. Is your answer to the previous question consistent with this rule of thumb?In this molecule’s other chair conformation, how many (non H) axial positions are there?What is the lowest energy 3D conformation of the molecule in the image?
- Given the compounds below, which is the more stable one based on their chair conformation?What are the two chair conformers for this molecule and which one is more favorable?Which of the following is the correct Newman projection for the following compound as viewed down the indicat conformation shown? CO II O III O IV OV CH3 CH3 CH31 CH3 CI || Br Br H CH3 CH3 ||| Br CH3 CH3 IV CI Br CH3
- Which molecule would have their 2 chair conformations be of equal energies?In each case below, identify the higest and lowest energy conformations. In cases where two or three conformations are degenerate, choose only one as your anwser. Use Me, H, and Et when drawing the structures.OIIII.. OH Draw the most stable chair conformation of the following compound:
- draw the most stable chair conformation for the molecule below.Citing down the C3-C4 bond, and using the drawings below, complete the Newman projections for all staggered and eclipsed conformations of hexane. Which staggered conformation has the lowest energy? Which eclipsed conformation has the highest energy?Draw the two possible chair conformations for the below molecule. Clearly indicate whether the substituents are axial (a) or equatorial (e).