exam1_07 - Massachusetts Institute of Technology Chemistry...

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Unformatted text preview: Massachusetts Institute of Technology Chemistry 5.43 February 28 th , 2007 Professor M. Movassaghi Exam #1 Question 1a /4 points Question 2b /10 points Question 1b /2 points Question 2c /6 points Question 1c /1 points Question 2d /5 points Question 1d /2 points Question 3a /10 points Question 1e /3 points Question 3b /3 points Question 1f /5 points Question 3c /2 points Question 1g /4 points Question 3d /5 points Question 1h /4 points Question 4a /5 points Question 1i /4 points Question 4b /5 points Question 1j /6 points Question 1k /6 points Total /100 points Question 2a /8 points NAME: ___________________________ Signature: ___________________________ T.A.: ___________________________ There are 6 pages (2-7) of questions in this exam. 1 of 9 Consider the addition of phenyl lithium to the aldehyde A in tetrahydrofuran. Assume no epimerization or loss of optical activity in the starting aldehyde A under the reaction conditions. PhLi THF, 78 C 1a) Provide the structure of the two principal addition products, clearly indicating stereochemistry, and assign the Cahn- Ingold-Prelog configuration to each stereocenter of the starting material...
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 20.410j taught by Professor Rogerd.kamm during the Spring '03 term at MIT.

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exam1_07 - Massachusetts Institute of Technology Chemistry...

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