quiz3-2007-2008

quiz3-2007-2008 - H 3 C H 3 CH 2 C S (1) (2) OH NH 3 O O H...

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Quiz #3, Version 3.2, CHEM111, Fall Semester, 2007/2008 Student Name: Student ID #: Section: Note: You are required to complete all questions independently. Reference materials such as textbook and lecture notes are not allowed. 1. (10 pts) Give the following molecules IUPAC names that indicate R/S configuration of the chiral centers but no conformational isomerism. 2. (6 pts) Name the prochiral faces or hydrogen atoms below: 3. (8 pts) Compare the following pairs of structures. Use one or more of the following terms to describe the two structures in each pair: (A) identical; (B) enantiomers; (C) diastereomers; (D) Meso compounds, (E) constitutional isomers.
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Unformatted text preview: H 3 C H 3 CH 2 C S (1) (2) OH NH 3 O O H H CH 3 H CH CH 3 H C CH 2 (1) Br C CH 3 H CH (2) HC Br H CH 3 Br H H 3 C CH 3 H 3 C Br Br H H H 3 C CH 3 Br Br H 3 C Br Br H 3 C OH H COOH CH 3 CH 3 HOOC OH H CH 3 CH 3 OH OH CH 3 CH 3 OH OH 4. Synthesize acetone (CH 3 COCH 3 ) from acetylene and any other organic or inorganic reagents. Clearly indicate reagents and reaction conditions in each step of the synthesis. (12 pts) 5. Synthesize a racemic mixture of enantiomeric 2, 3-dibromobutane from an alkyne and any other reagents. Clearly indicate reagents and reaction conditions in each step of the synthesis. (14 pts)...
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quiz3-2007-2008 - H 3 C H 3 CH 2 C S (1) (2) OH NH 3 O O H...

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