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Midterm-1 Shabbir 320M/328M 09-25-19 Name_______________________________________________ Signature____________________________________________ UT EID _____________________________________________ Please print the first three letters of your last name in the three boxes Reminders: You must have ALL your answers written in permanent ink in order to get a regrade. Please don’t write in RED . You must have your valid UT ID card (or other government-issued ID) with you. You will need to show it to the proctors when you turn in your exam. Cell phones are not allowed during your exam. Please have your cell phone silenced and away from your person before the exam (not in your pockets). We can randomly ask students to relocate during the exam. We routinely Xerox a number of exams after initial grading to guard against receiving altered exams during the regrading process. Some of your fellow students will be taking this midterm exam late, so it is not to be discussed with ANYONE in ANY form (including but not limited to verbal discussion, text messages, email, facebook posts, etc.) until Thursday at 8am. Discussing the content of the exam before this time constitutes academic dishonesty.
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Midterm-1 Shabbir 320M/328M 09-25-19 University Code of Conduct: “The core values of The University of Texas at Austin are learning, discovery, freedom, leadership, individual opportunity, and responsibility. Each member of the university is expected to uphold these values through integrity, honesty, trust, fairness, and respect toward peers and community. __________________________________________ Your Signature
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Midterm-1 Shabbir 320M/328M 09-25-19
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Midterm-1 Shabbir 320M/328M 09-25-19 Page Earned Points Total Points 1 15 2 12 3 22 4 20 5 25 6 22 7 8 FR 124 MC 88 TOTAL 212
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Midterm-1 Shabbir 320M/328M 09-25-19 This page is intentionally left blank. Feel free to use it as scratch paper. If you remove this page from your exam, please turn it in with your exam.
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Midterm-1 Shabbir 320M/328M 09-25-19 Free Response Section Points_______________________ 1 Q1 - (5pt) Write the IUPAC name of the following line structures. Ignore stereochemistry. Q2 - (6pts) Write the IUPAC name of the following line structures. Label R and S where appropriate. Q3 (4pt) Draw the line structure of the following molecule. Ignore stereochemistry. 3-( sec -butyl)-1,1-dimethylcyclooctane
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Midterm-1 Shabbir 320M/328M 09-25-19 Free Response Section Points_______________________ 2 Q4 -(12pt) Draw the energy curve for the rotation of 2,3-dimetylbutane along C2-C3 bond. Define 0 o dihedral angle as your highest energy point in the diagram. Draw the Newman projections of the molecule at each peak and valley on the graph. To help you start off I have made the highest energy conformation at 0 o dihedral angel for you. Good Luck. 0 o 60 o 120 o 180 o 240 o 300 o 360 o Energy Diheral Angle CH 3 C C H 3 C H 3 C H CH 3 H 2,3-dimethylbutane CH 3 H H 3 C CH 3 CH 3 H
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Midterm-1 Shabbir 320M/328M 09-25-19 Free Response Section Points_______________________ 3 Q5 -(10pts) Shown below is Molecule A (2’-deoxyadenosine-5’-monophosphate (dAMP)), which is a use to make Molecule B (oxetanocin A), an antibacterial and anti-HIV agent. Answer the questions listed
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