EBK ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG
EBK ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG
4th Edition
ISBN: 9781119659525
Author: Klein
Publisher: WILEY CONS
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Chapter 22.9, Problem 5LTS
Interpretation Introduction

Interpretation: The major product is to be found when 3-methyl-3-hexanamine is treated with excess methyl iodide followed by aqueous silver oxide and heat.

Concept Introduction:

The reagents such as methyl iodide and silver oxide are given and used as the reaction conditions in the given reactions.  This reaction is called Hofmann elimination.  The amines undergo exhaustive alkylation in the presence of excess methyl iodide producing quaternary ammonium salt which is a excellent leaving group.  After treatment with strong base, aqueous silver oxide and heat, quaternary ammonium salt gives alkenes.  Alkene formation involves in E2 elimination.  Through E2 elimination, the major product is less substituted alkene with trace amount of more substituted alkene.

EBK ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG, Chapter 22.9, Problem 5LTS , additional homework tip  1

To find: Get the major product of 3-methyl-3-hexanamine in Hofmann elimination

Identify all α- and β-positions in the given amine compound

EBK ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG, Chapter 22.9, Problem 5LTS , additional homework tip  2

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Done 11:14 ⚫ worksheets.beyondlabz.com 5 (a). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 6 5 (b). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 7 6. Are there any differences between the spectra you obtained in Beyond Labz and the predicted spectra? If so, what were the differences? <
2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Chapter 22 Solutions

EBK ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG

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