8487-Exam-1B-questions

8487-Exam-1B-questions - Wednesday, February 2, 2011 CHM...

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Wednesday, February 2, 2011 CHM 2211-8487 Exam #1 Form B Question Page 1 of 2 For your answers use the Answer sheet Place your answers on Answer sheet, Page 1 : 1. ( 8 pts ) Number the compounds (MW 72–74) in order of increasing boiling points (1 = lowest, 4 = highest) 2. ( 11 pts ) (a) Provide the reagent and (b) the solvent to convert the alkene into cyclopropane products. (c) Complete the product structures. [Place the missing substituents in the small boxes] (d) Determine the relative configuration (= position of substituents) in the alkene and in the products. (e) Define the stereochemistry of the reaction (complete the term on the Answer sheet). (f) Decide if both products are anomers, diastereomers, enantiomers, or meso compounds. [Check the correct answer] (g) Decide if both products are formed in equal amounts, or in unequal amounts . [Check the correct answer. – For credit: Answers for (f) and (g) must be correct and consistent] (h) Name the reaction [it has a proper name]. 3. ( 12 pts ) Transform ethyl bromide and (d) benzaldehyde into the major alkene (e). (a) Draw the structure of the phosphonium salt that results from the reaction of ethyl bromide with PPh 3 . (b) Provide the commonly used
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This note was uploaded on 10/04/2011 for the course CHM 2211 taught by Professor Castalleano during the Spring '06 term at University of Florida.

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8487-Exam-1B-questions - Wednesday, February 2, 2011 CHM...

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