Question

1. Construct a model of the 2,3-dibromopentane isomer and label the chiral centers as R or S. Then make a model of its mirror image and draw it below, again labeling the chiral centers as R or S.

             

a. Convert both models to their most stable conformation and draw their Newman projections looking down the center bond.      

  

b. On one model interchange the H and Br on one of the chiral centers. How is this molecule related to the other molecule? (What type of isomers do they represent?)

c. Change the second model so that it is the mirror image of the new isomer you created above. Now how are they related to each other?

b. Draw the Fischer projection of one of the two isomers, label the chiral centers as R or S. Also draw the Newman project in its most stable conformation.

Answer 1

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we Clang madel-8 to get Mamm mate then Model , Model-D Will be as C Model - e Me mew TMe Modal-B 2s, 3S BR Model-d Model-C Et &) thieo 2,3 dibtómo pentane C oe 2,3 S) Model-D Model- 8 and Model D are each othen, hence ane Enantiomers Me Pentane (2s,3s) +1 br most Sfablk)