Old_Exam_3

Old_Exam_3 - Chem 2262 EXAM 3 Nov 6, 2003 NAME_ Hi! Please...

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Chem 2262 NAME_______________________ E X A M 3 Nov 6, 2003 Hi! Please put all answers on these sheets. The exam is worth a total of 100 points. 1. (4 pts) Circle all the lactone molecules shown below? 2. (4 pts) Circle one of the following statements about reduction of carbonyls and carboxylic acid derivatives that is not correct: a. Lithium Aluminum Hydride reduces esters to alcohols. b. Raney Ni reduces esters to alcohols. c. Sodium Borohydride reduces esters to alcohols. d. Sodium Borohydride reduces ketones to alcohols. e. Pt with H 2 reduces ketones to alcohols. 3. (4 pts) Circle one of the following compounds which has the least reactive carbonyl group toward nucleophilic attack: a. Acyl chlorides b. Esters c. Carboxylic acids d. Lactones e. None of the above O O HO A O O B HN O CD N H O E OO CH 3 3
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4. (44 pts, 2 pts each) Give the complete set of reagents for each of the reactions below. Reactions with more than one answer have been indicated with the number and type of reactions that are needed. If there is only a letter, then there is only one answer. Please put your answers on this and the following page under the appropriate letter.
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Old_Exam_3 - Chem 2262 EXAM 3 Nov 6, 2003 NAME_ Hi! Please...

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