E2,241b,S06 - EXAM 2 CHEMISTRY 241b March 9, 2006 Dr....

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EXAM 2 CHEMISTRY 241b March 9, 2006 Dr. Spurgeon ANSWER KEY __________________________________________________________________________________________ 1. (20 points) Complete the following synthetic reaction scheme by filling-in the necessary starting material, reaction conditions, or product. Br O O Name this functional group: ___________ 1. Mg o , ether 2. 3. H 3 O + O Deprotection with H 3 O + Tollen’s reagent POCl 3 C 7 H 11 BrO Br CHO CHO OH COOH OH HO OH cat. H + Acetal OH O O COOH
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2. (18 points) Provide detailed reagents for the following transformations - if several steps are required, be sure to label each step - and just writing 'Jones' reagent' is not acceptable. 3. (7 points) Provide the necessary information. a. Identify the reagent that you might use to convert an ester to an aldehyde. _________________________ b. Acidic cleavage (i.e. HI) of t-butyl isopropyl ether will give what alcohol (name)? _____________________ c. Another name for an epoxide is _________________________.
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E2,241b,S06 - EXAM 2 CHEMISTRY 241b March 9, 2006 Dr....

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