su08org1e2[1]

Su08org1e2[1] - Summer 2008 100points Exam 2 Chapters 5-8 Name Answer all the questions 1(10 pts Assign(R or(S to all the chiral centers in the

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COOH C H F CH 3 CO 2 H H Br CO 2 H H Br CH 3 OH COOH C HS F Cl a) b) c) d) Summer 2008 Exam 2 Chapters 5-8 100points Name Answer all the questions. 1) (10 pts) Assign (R) or (S) to all the chiral centers in the following molecules and mark the priority of each group around a chiral center (just the top chiral carbon in molecule b). 2) (4 pts) Identify the compounds above as chiral or achiral. Summer08 org1exam2 - 1 -
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CH 2 Br CH 2 Br Br Br Cl Cl a) b) c) d) Br Br e) Br F 3) (8pts) Name these C 4 H 8 isomers in IUPAC form. (Bear in mind their names should all be different!) 4) (10pts) For each pair of molecules, (i) circle the one which will undergo S N 1 type reactions faster, and (ii) write a phrase to explain your answer/guess. Summer08 org1exam2 - 2 -
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H 3 C CH 2 CH 3 Br H KCN DMF a) b) CH 3 CH 2 CH 3 CH 3 a b c d 5) (7pts) The below enantiomer undergoes S N 2 reaction with potassium cyanide. (i) Draw the product or products. (ii) Will the product of this reaction be totally (R), totally (S) or a mixture of both?
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This note was uploaded on 08/16/2011 for the course CHEM 307 taught by Professor Several during the Spring '08 term at Rutgers.

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Su08org1e2[1] - Summer 2008 100points Exam 2 Chapters 5-8 Name Answer all the questions 1(10 pts Assign(R or(S to all the chiral centers in the

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