HW07MWF12p - marked with an asterisk in the cyclohexane...

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MWF 12:00 Section – Bocknack CH 310M/318M Fall 2008 UTEID: Please submit to the correct slot in the collection box outside WEL 2.212!!! Last Name: First Name: Score: Graded Homework Problem #07 Deadline : 3:00 p.m., Thursday, 10/2/08 LATE WORK WILL NOT BE ACCEPTED OR GRADED!!! This problem is worth a total of 20 raw points. Each part is worth 10 points. In each part below, one chair conformation of a substituted cyclohexane ring is given. Complete the tetrahedral representation by filling in the missing substituent groups. It is only necessary to show bonds to groups that are not hydrogen in your tetrahedral representation! Use wedges, dashed wedges, and normal lines as appropriate to show the stereochemistry clearly and unambiguously. To help you get started, a reference carbon is marked with an asterisk in the chair conformation. This reference carbon is also
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Unformatted text preview: marked with an asterisk in the cyclohexane skeleton that is provided as a starting point for your tetrahedral representation. Then, draw the conformation that will result upon chair flip of the given chair. Write your answer in the empty box on the right side of the page. Be sure to mark the reference carbon with an asterisk! Indicate which chair is more stable by marking the appropriate box with the symbol X . * = OH O H * "tetrahedral representation" This chair conformation is more stable. This chair conformation is more stable. Both chair conformations are of equal stability. (a) * = CH 3 CH 3 CH 3 "tetrahedral representation" This chair conformation is more stable. This chair conformation is more stable. Both chair conformations are of equal stability. (b)...
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