assignment1answers - CHM 3120 Assignment 1 Answers 1....

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CHM 3120 Assignment 1 Answers 1. Construct a model of each of the following compounds and use it to determine if the compound is a syn or anti compound. CH 3 HO CH 3 H 3 CC H 3 CH 3 O H OH CH 3 H H 3 C CH 3 Br H 3 CI CN a) b) c) d) CH 3 CH 3 OH anti OH CH 3 O anti CN I syn CH 3 CH 3 Br anti e) Ph H Me CO 2 H H OCH 3 f) Me CO 2 H H OCH 3 Ph CO 2 H Me OCH 3 anti CO 2 H Me OCH 3 neither syn nor anti groups identical 2. Draw the Newman projection of the following compounds. Be sure to preserve absolute stereochemistry.
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CH 3 HO CH 3 H 3 CC H 3 CH 3 O H OH CH 3 H H 3 C CH 3 Br a) b) c) d) e) f) Ph O Me Br NH 2 NH 2 H+, H 2 O O OMe OBn MeO H Me CH 2 CH 2 CH 3 HO H H OH CH 3 H COCH 3 CH 3 H Br H 3 C H Ph CH 3 H Br H 3 COH 2 C H HO CHO OBn OMe HOH 2 CH 2 CH 2 CH 2 C OMe H CHO BnO H NH 2 H H NH 2 H H H H 3. Construct a model of cyclohexane. Place your model in the chair conformation. Draw the chair projection formula and identify the axial and equatorial hydrogens on your drawing using your model as a guide. Take your time to examine the structure to become familiar with the axial and equatorial positions.
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This note was uploaded on 12/11/2009 for the course CHM Chm3120 taught by Professor Olgilvie during the Spring '09 term at University of Ottawa.

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assignment1answers - CHM 3120 Assignment 1 Answers 1....

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