0771-Exam-1A-answers-KEY-1

0771-Exam-1A-answers-KEY-1 - Wednesday, February 2, 2011...

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Wednesday, February 2, 2011 CHM 2211-0771 Exam #1 Form A Answer Page 1 of 2 Answer sheet pts. Please LAST PRINT NAME: First name: UFID: /100 Put your answers in the spaces, or check R your answer 1. ( 8 pts ) Write IUPAC names , showing stereochemistry where relevant. COOH OH ( S )-3-Hydroxypentanoic acid CHO Cyclopent-2-enecarbaldehyde _____ 2. ( 11 pts ) (a) (b) Reagent s 1 and 2 to obtain cyclopropane products. (c) Complete the product structures. . Et t -BuO K + (b) Reagent 2: (a) Reagent 1: C Cl 2 (c) Products: H H Et + Cl 2 C H H H Et Et Et H Et CHCl 3 (d) The relative configuration (position of substituents) in the alkene and in the products is __ cis ___. (e) With respect to stereochemistry , the reaction is said to be stereo specific _____ (complete the term). (f) Both products are £ anomers, £ diastereomers, £ enantiomers, R meso compounds. (g) Both products are formed R in equal amounts, £ in unequal amounts. [For credit: Answers for (f) and (g) must be correct and consistent]
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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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0771-Exam-1A-answers-KEY-1 - Wednesday, February 2, 2011...

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