8th Edition

ISBN: 9781305580350

Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher: Cengage Learning

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NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra o…

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Textbook Question

Chapter 13, Problem 13.26P

Ascaridole is a natural product that has been used to treat intestinal worms. Explain why the two methyls on the isopropyl group in ascaridole appear in its ¹H-NMR spectrum as four lines of equal intensity, with two sets of two each separated by 7 Hz.

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Chapter 13, Problem 13.25P

Chapter 13, Problem 13.27P

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Chapter 13 Solutions

Organic Chemistry

Ch. 13.2 - Calculate the ratio of nuclei in the higher spin...Ch. 13.5 - State the number of sets of equivalent hydrogens...Ch. 13.5 - Each compound gives only one signal in its 1H-NMR...Ch. 13.6 - The line of integration of the two signals in the...Ch. 13.7 - Following are two constitutional isomers with the...Ch. 13.8 - Following are pairs of constitutional isomers....Ch. 13.10 - Following is a 1H-NMR spectrum of 2-butanol....Ch. 13.11 - Explain how to distinguish between the members of...Ch. 13 - Prob. 13.9P Ch. 13 - Prob. 13.10P

Ch. 13 - Prob. 13.11P Ch. 13 - Following are structural formulas for three...Ch. 13 - Following arc structural formulas for the cis...Ch. 13 - Prob. 13.14P Ch. 13 - Following are three compounds with the molecular...Ch. 13 - Following are 1H-NMR spectra for compounds D, E,...Ch. 13 - Following are 1H-NMR spectra for compounds G, H,...Ch. 13 - Propose a structural formula for compound J,...Ch. 13 - Compound K, molecular formula C6H14O, readily...Ch. 13 - Compound M, molecular formula C5H10O, readily...Ch. 13 - Following is the 1H-NMR spectrum of compound O,...Ch. 13 - Treatment of compound P with BH3 followed by...Ch. 13 - The 1H-NMR spectrum of compound R, C6H14O,...Ch. 13 - Write structural formulas for the following...Ch. 13 - Prob. 13.25P Ch. 13 - Ascaridole is a natural product that has been used...Ch. 13 - The 13C-NMR spectrum of 3-methyl-2-butanol shows...Ch. 13 - Prob. 13.28P

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