8487-Exam-3A-questions

8487-Exam-3A-questions - Monday, April 18, 2011 CHM...

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Monday, April 18, 2011 CHM 2211-8487 Exam #3 Form A Question Page 1 of 2 For your answers use the Answer sheet Place your answers on Answer sheet, page 1 : 1. ( 6 pts) Consider the reaction of imidazole with H–Cl and draw (complete) three resonance structures for the resulting product. 2. ( 10 pts ) Consider the preparation (a)(b) of but-2-enyl phenyl ether and its conversion upon heating (c)(d)(e). (a) For the preparation of the ether, provide the reagent that is required for the reaction of phenol with (b) the reactant . Draw the structure of the reactant . [Below (b) are shown the solvents (H 2 O, CH 2 Cl 2 ), catalyst (Bu 4 N + Cl ), and the inorganic by-product (NaCl) formed] (c) Draw (complete) the structure of the first-formed product. (d) Draw (complete) the structure of the final product. [O and ring scaffolds are provided for (c) and (d), use line/angle drawing for the structures] 3. ( 7 pts ) Electrophilic aromatic substitution (EAS): Sulfonation . (a) Provide the reagents for sulfonation . (b)
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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-3A-questions - Monday, April 18, 2011 CHM...

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