new2 - 2 CHEM116 Fall 2005 Exam #2 Joint Science Depa...

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CHEM116 Fall 2005 Exam #2 2 Joint Science Department, The Claremont Colleges 1) Provide an unambiguous name for each of the following structures and indicate whether each is chiral or achiral. Be sure to indicate stereochemistry in the name where appropriate. (14 points) H Br H Cl H CH 3 Br H Cl CH 3 H H H H CH 3 Chiral or Achiral (circle one) Chiral or Achiral (circle one) 2) Determine the structure of the compound that produces the following spectra. For full credit, assign all peaks in each spectrum. Show your work for partial credit. (12 points) C 5 H 10 O 2
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CHEM116 Fall 2005 Exam #2 3 Joint Science Department, The Claremont Colleges 3) The substrate below undergoes a substitution reaction to yield the ether shown & the products A 1 & A 2 ( A 1 & A 2 constitute a racemic mixture). The rate of the reaction was also shown to be independent of NaOCH 3 concentration. Draw the structures of A 1 & A 2 and provide a mechanism that explains the formation of all products. Show all charges & intermediates where applicable. (12 points)
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This note was uploaded on 03/29/2012 for the course CH 318N taught by Professor Willson during the Spring '08 term at University of Texas.

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new2 - 2 CHEM116 Fall 2005 Exam #2 Joint Science Depa...

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