FinalA-2005

FinalA-2005 - Stoltz Ch 41c Final Exam S 2005 1 Chem 41c...

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Unformatted text preview: Stoltz Ch 41c Final Exam S 2005 1 Chem 41c Final Exam Stoltz, Spring 2005, June 6, 2005 The exam begins when you turn to page 2. You have 4 hours to complete the exam. This is a closed note and closed book exam with no collaboration. You may use the periodic table on the last page of this packet. You may not use any other materials. The exam has a total of 180 points and counts for 40% of your course grade. Good luck. There are XX pages in this exam packet. Name: _________________________________________ Stoltz Ch 41c Final Exam S 2005 2 Stoltz Ch 41c Final Exam S 2005 3 1. Predict the major non-volatile products (if any) of the following reactions or sequences. Clearly mark your answers by placing a box around the compound that you believe to be the major product. (5 points each). a. O O 1. NaOH, MeOH, H 2 O 2. DMSO, CH 2 Cl 2 , -78 C 3. Et 3 N, -78C 23 C 4. NaHCO 3 work-up O Cl Cl O O O O ()- ()- hint: one racemic non volitile product is formed b. H 3 C H 3 C Pd D H Cl Ph 3 P 80 C H 3 C H 3 C Pd D H Cl Ph 3 P or D c. O O OMe 1. NaH 2. n-BuLi 3. 4. H 3 O + (workup) Br O O OMe Stoltz Ch 41c Final Exam S 2005 4 d. Br MeO OMe CO 2 H 1. 2. Et 2 NH O Cl Br MeO OMe O NEt 2 e. Br (PPh 3 ) 4 Pd 80 C SnBu 3 CO 2 Me CO 2 Me f. NaBH 4 EtOH, CH 2 Cl 2 23 C, 1 h O OH OH 2 major products Stoltz Ch 41c Final Exam S 2005 5 g....
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This note was uploaded on 01/03/2012 for the course CH 41c taught by Professor List during the Fall '10 term at Caltech.

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FinalA-2005 - Stoltz Ch 41c Final Exam S 2005 1 Chem 41c...

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