Organic Chemistry
11th Edition
ISBN: 9781118133576
Author: T. W. Graham Solomons, Craig Fryhle
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 17, Problem 47P
Compound X (C7H12O4) is insoluble in aqueous sodium bicarbonate. The IR spectrum of X has a strong absorption peak near 1740 cm−1, and its broadband proton-decoupled 13C spectrum is given in Fig. 17.8. Propose a structure for X.
Broadband proton-decoupled 13C NMR spectrum of compound X, Problem 17.47. Information from the DEPT 13C NMR spectra is given above each peak.
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Compound A is treated with a mixture of nitric and sulfuric acids to generate Compound B. The 1H-NMR spectrum of B shows two singlets, one at 2.52 pm and one at 8.13 ppm. The 13C-NMR spectrum of B shows five signals. The mass spectrum of B shows a peak at m/z = 260 and another peak at m/z = 262; the relative height of the two peaks is 1:1 respectively.
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Treatment of compound E (molecular formula C4H8O2) with excess CH3CH2MgBr yields compound F (molecular formula C6H14O) after protonation with H2O. E shows a strong absorption in its IR spectrum at 1743 cm-1. F shows a strong IR absorption at 3600–3200 cm-1. The 1H NMR spectral data of E and F are given. What are the structures of E and F?Compound E signals at 1.2 (triplet, 3 H), 2.0 (singlet, 3 H), and 4.1 (quartet, 2 H) ppmCompound F signals at 0.9 (triplet, 6 H), 1.1 (singlet, 3 H), 1.5 (quartet, 4 H), and 1.55 (singlet, 1 H) ppm
Compounds A and B are isomers having the molecular formula C4H8O3. Identify A and B on the basis of their 1H NMR spectra.Compound A: δ 1.3 (3H, triplet); 3.6 (2H, quartet); 4.1 (2H, singlet); 11.1 (1H, broad singlet)Compound B: δ 2.6 (2H, triplet); 3.4 (3H, singlet); 3.7 (2H triplet); 11.3 (1H, broad singlet)
Chapter 17 Solutions
Organic Chemistry
Ch. 17 - Practice Problem 17.1 Give an IUPAC systematic...Ch. 17 - Prob. 2PPCh. 17 - PRACTICE PROBLEM
17.3 Which acid of each pair...Ch. 17 - Practice Problem 17.3 Write structural formulas...Ch. 17 - Practice Problem 17.4
Show how each of the...Ch. 17 - Practice Problem 17.5
Show how you could prepare...Ch. 17 - Practice Problem 17.6
(a) Which of the carboxylic...Ch. 17 - Prob. 8PPCh. 17 - Prob. 9PPCh. 17 - Practice Problem 17.9
Esters can also be...
Ch. 17 - Prob. 11PPCh. 17 - Prob. 12PPCh. 17 - Practice Problem 17.12
What products would you...Ch. 17 - Practice Problem 17.13 (a) Provide the reagents...Ch. 17 - Prob. 15PPCh. 17 - Practice Problem 17.15 Using decarboxylation...Ch. 17 - Practice Problem 17.16 Diacyl peroxides, ,...Ch. 17 - Prob. 18PCh. 17 - Give an IUPAC systematic or common name for each...Ch. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - 17.21 What major organic product would you expect...Ch. 17 - Prob. 23PCh. 17 - Prob. 24PCh. 17 - Prob. 25PCh. 17 - Prob. 26PCh. 17 - 17.26 What products would you expect to obtain...Ch. 17 - Write structural formulas for the major organic...Ch. 17 - 17.28 Indicate reagents that would accomplish each...Ch. 17 - Write structural formulas for the major organic...Ch. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Prob. 33PCh. 17 - 17.33 On heating,...Ch. 17 - Prob. 35PCh. 17 - Prob. 36PCh. 17 - 17.36 Show how pentanoic acid can be prepared from...Ch. 17 - 17.37 The active ingredient of the insect...Ch. 17 - Prob. 39PCh. 17 - Prob. 40PCh. 17 - Give stereochemical formulas for compounds AQ:...Ch. 17 - 17.41 -Glyceraldehyde can be transformed into...Ch. 17 - Prob. 43PCh. 17 - 17.44 Cantharidin is a powerful vesicant that can...Ch. 17 - Prob. 45PCh. 17 - 17.44 Given here are the NMR spectra and carbonyl...Ch. 17 - Compound X (C7H12O4) is insoluble in aqueous...Ch. 17 - 17.45 Compound Y dissolves slowly when warmed...Ch. 17 - Prob. 49PCh. 17 - Prob. 50PCh. 17 - 17.52 Starting with 1-naphthol, suggest an...Ch. 17 - Suggest a synthesis of ibuprofen (Section 5.11)...Ch. 17 - Prob. 53PCh. 17 - Prob. 54PCh. 17 - Prob. 1LGPCh. 17 - Prob. 2LGPCh. 17 - Prob. 3LGPCh. 17 - Prob. 4LGPCh. 17 - Prob. 1QCh. 17 - 17.2 Which of the following would yield...Ch. 17 - 17.3 Which reagent would serve as the basis for a...Ch. 17 - Prob. 4QCh. 17 - Complete the following synthesis.Ch. 17 - 17.6 Which of these acids would undergo...
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