EBK ORGANIC CHEMISTRY
EBK ORGANIC CHEMISTRY
9th Edition
ISBN: 9780100591318
Author: McMurry
Publisher: YUZU
Question
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Chapter 9.SE, Problem 20MP
Interpretation Introduction

a)

EBK ORGANIC CHEMISTRY, Chapter 9.SE, Problem 20MP , additional homework tip  1

Interpretation:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of phenylacetylene is to be drawn.

Concept introduction:

In the first step attack of the π electrons of the triple bond on the electrophilic Hg2+ ion takes place to yield a mercury containing vinylic carbocation intermediate. In the second step nucleophilic attack of water takes place on the carbocation. A new C-O bond is formed leading to the formation of a protonated mercury containing enol. In the third step water abstracts a proton from the protonated enol to yield the organomercury intermediate.

To draw:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of ethynylbenzene.

Interpretation Introduction

b)

EBK ORGANIC CHEMISTRY, Chapter 9.SE, Problem 20MP , additional homework tip  2

Interpretation:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of propyne is to be drawn.

Concept introduction:

In the first step attack of the π electrons of the triple bond on the electrophilic Hg2+ ion takes place to yield a mercury containing vinylic carbocation intermediate. In the second step nucleophilic attack of water takes place on the carbocation. A new C-O bond is formed leading to the formation of a protonated mercury containing enol. In the third step water abstracts a proton from the protonated enol to yield the organomercury intermediate.

To draw:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of propyne.

Interpretation Introduction

c)

EBK ORGANIC CHEMISTRY, Chapter 9.SE, Problem 20MP , additional homework tip  3

Interpretation:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of 3-methyl-1-butyne is to be drawn.

Concept introduction:

In the first step attack of the π electrons of the triple bond on the electrophilic Hg2+ ion takes place to yield a mercury containing vinylic carbocation intermediate. In the second step nucleophilic attack of water takes place on the carbocation. A new C-O bond is formed leading to the formation of a protonated mercury containing enol. In the third step water abstracts a proton from the protonated enol to yield the organomercury intermediate.

To draw:

The electron pushing mechanism for the formation of the organo-mercury intermediate obtained during the mercury catalyzed hydration of 3-methyl-1-butyne.

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Students have asked these similar questions
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
Interpreting NMR spectra is a skill that often requires some amount of practice, which, in turn, necessitates access to a collection of NMR spectra. Beyond Labz Organic Synthesis and Organic Qualitative Analysis have spectral libraries containing over 700 1H NMR spectra. In this assignment, you will take advantage of this by first predicting the NMR spectra for two closely related compounds and then checking your predictions by looking up the actual spectra in the spectra library. After completing this assignment, you may wish to select other compounds for additional practice. 1. Write the IUPAC names for the following two structures: Question 2 Question 3 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**
11:14 ... worksheets.beyondlabz.com 3. To check your predictions, click this link for Interpreting NMR Spectra 1. You will see a list of all the - compounds in the spectra library in alphabetical order by IUPAC name. Hovering over a name in the list will show the structure on the chalkboard. The four buttons on the top of the Spectra tab in the tray are used to select the different spectroscopic techniques for the selected compound. Make sure the NMR button has been selected. 4. Scroll through the list of names to find the names for the two compounds you have been given and click on the name to display the NMR spectrum for each. In the NMR tables below, list the chemical shift, the splitting, and the number of hydrogens associated with each peak for each compound. Compare your answers to your predictions. **Not all slots must be filled** Peak Chemical Shift (d) Multiplicity 1 2 3 4 5

Chapter 9 Solutions

EBK ORGANIC CHEMISTRY

Ch. 9.8 - Prob. 11PCh. 9.9 - Show the terminal alkyne and alkyl halide from...Ch. 9.9 - Beginning with acetylene and any alkyl halide...Ch. 9.SE - Name the following alkynes, and predict the...Ch. 9.SE - From what alkyne might each of the following...Ch. 9.SE - Prob. 16VCCh. 9.SE - The following cycloalkyne is too unstable to...Ch. 9.SE - Prob. 18MPCh. 9.SE - Assuming that strong acids add to alkynes in the...Ch. 9.SE - Prob. 20MPCh. 9.SE - Prob. 21MPCh. 9.SE - Prob. 22MPCh. 9.SE - Prob. 23MPCh. 9.SE - Prob. 24MPCh. 9.SE - Reaction of acetone with D3O+ yields...Ch. 9.SE - Give IUPAC names for the following compounds:Ch. 9.SE - Draw structures corresponding to the following...Ch. 9.SE - Prob. 28APCh. 9.SE - Prob. 29APCh. 9.SE - Prob. 30APCh. 9.SE - Predict the products from reaction of l-hexyne...Ch. 9.SE - Prob. 32APCh. 9.SE - Prob. 33APCh. 9.SE - Propose structures for hydrocarbons that give the...Ch. 9.SE - Identify the reagents a-c in the following scheme:Ch. 9.SE - Prob. 36APCh. 9.SE - Prob. 37APCh. 9.SE - Prob. 38APCh. 9.SE - How would you carry out the following...Ch. 9.SE - Prob. 40APCh. 9.SE - Synthesize the following compounds using 1-butyne...Ch. 9.SE - Prob. 42APCh. 9.SE - Prob. 43APCh. 9.SE - Prob. 44APCh. 9.SE - Prob. 45APCh. 9.SE - A hydrocarbon of unknown structure has the formula...Ch. 9.SE - Compound A(C9H12) absorbed 3 equivalents of H2 on...Ch. 9.SE - Hydrocarbon A has the formula C12H8. It absorbs 8...Ch. 9.SE - Occasionally, a chemist might need to invert the...Ch. 9.SE - Prob. 50APCh. 9.SE - Prob. 51APCh. 9.SE - Prob. 52APCh. 9.SE - Prob. 53APCh. 9.SE - Prob. 54APCh. 9.SE - Prob. 55APCh. 9.SE - Prob. 56APCh. 9.SE - Prob. 57AP
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