practiceexam4c

practiceexam4c - append protecting groups if you need one)....

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2. Consider the following reactions. Please label whether they are oxidations, reductions, or neither. If there is an oxidation or reduction, please indicate the number of electrons involved. Please put your answer in the box provided. A. B. R O O R 2 ROH C. 1 12 pts
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- O O O O - - O O O O - 3. Complete the following equations: (Some may require more than one step.) Include stereochemistry where appropriate. a) Cl 2 (excess) b) HI (Excess) O 2 32 pts
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c) CHO d) 1) NaOMe 2) aqueous work up O e) OH 1) NaH 2) CH 3 CH 2 CH 2 I f) 3
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HBr O g) (Make sure to show all organic products.) O CH 2 H 2 Pd/C h) 4. Predict the major product(s) of the reaction shown below. Justify your answer using clear structures to support your hypothesis. 4 10 pts
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O H 3 O + 5. Devise a synthesis of the molecule shown below. You may start with any 2- carbon olefins or alkynes, and any necessary reagents (including those used to
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Unformatted text preview: append protecting groups if you need one). HO OH 5 14 pts 6. Show the product(s) of the reaction sequence outlined below. You must show all stereoisomers formed in the reaction. 1. RCO 3 H 2. H + , H 2 O 6 10 pts 7. Draw a stepwise mechanism for the reaction shown below. H 3 C Br 2 H 2 O Br O 7 12 pts 8. Devise a synthesis of the compound shown below. You may use any organic starting materials of 3 carbons or less, but they may not contain deuterium. You may use any reagents you wish. D D 8 15 pts C341 EXAM IV Spring 2009 GRADE SHEET Question Possible Points Actual Points 1 10 _____ 2 12 _____ 3 32 _____ 4 10 _____ 5 14 _____ 6 10 _____ 7 12 _____ 8 extra credit 15 _____ Total 115 _____ 9...
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This note was uploaded on 07/02/2011 for the course CHEM S341 taught by Professor Staff during the Spring '11 term at Indiana.

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practiceexam4c - append protecting groups if you need one)....

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