Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Textbook Question
Chapter 17.SE, Problem 52AP
Propose structures for alcohols that have the following 1HNMR spectra:
(a) C5H12O
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There are several isomeric alkanes of molecular formula C6H14.Two of these exhibit the following 1H-NMR spectra. Propose a structure for each of the isomers.
Isomer A: δ = 0.84 (d, 12 H), 1.39 (septet, 2H) ppm
Isomer B: δ = 0.84 (t, 3 H), 0.86 (s, 9H), 1.22 (q, 2H) ppm
There are several isomeric alkanes of molecular formula C6H14. Two of these exhibit the following 1H-NMR spectra. Propose a structure for each of the isomers.
Isomer A: δ = 0.84 (d, 12 H), 1.39 (septet, 2H) ppm
Isomer B: δ = 0.84 (t, 3 H), 0.86 (t, 9H), 1.22 (q, 2H) ppm
Complete this sequence by indicating the structures of W, X, V, and Y.
Chapter 17 Solutions
Organic Chemistry
Ch. 17.1 - Give IUPAC names for the following compounds:Ch. 17.1 - Prob. 2PCh. 17.2 - The following data for isomeric four-carbon...Ch. 17.2 - Rank the following substances in order of...Ch. 17.2 - Prob. 5PCh. 17.3 - Prob. 6PCh. 17.4 - What reagent would you use to accomplish each of...Ch. 17.4 - Prob. 8PCh. 17.5 - Prob. 9PCh. 17.5 - Prob. 10P
Ch. 17.5 - Use the reaction of a Grignard reagent with a...Ch. 17.6 - How would you carry out the following...Ch. 17.6 - What products(s) would you expect from dehydration...Ch. 17.7 - What alcohols would give the following products on...Ch. 17.7 - What products would you expect from oxidation of...Ch. 17.8 - TMS ethers can be removed by treatment with...Ch. 17.9 - Show the mechanism for the reaction of...Ch. 17.11 - Prob. 18PCh. 17.11 - When the 1HNMR spectrum of an alcohol is run in...Ch. 17.SE - Give IUPAC names for the following compounds:Ch. 17.SE - Draw the structure of the carbonyl compound(s)...Ch. 17.SE - Prob. 22VCCh. 17.SE - Prob. 23VCCh. 17.SE - Name and assign R or S stereochemistry to the...Ch. 17.SE - Evidence for the intermediate carbocations in the...Ch. 17.SE - Acid-catalyzed dehydration of 2,...Ch. 17.SE - Prob. 27MPCh. 17.SE - Treatment of the following epoxide with aqueous...Ch. 17.SE - Prob. 29MPCh. 17.SE - Prob. 30MPCh. 17.SE - Identify the type of substitution mechanism (SN1,...Ch. 17.SE - The conversion of 3 alcohols into alkenes under...Ch. 17.SE - Prob. 33MPCh. 17.SE - The trimethylsilyl (TMS) protecting group is one...Ch. 17.SE - When the alcohol below is treated with POCI3 and...Ch. 17.SE - Phenols generally have lower pKa’s than...Ch. 17.SE - Give IUPAC names for the following compounds:Ch. 17.SE - Draw and name the eight isomeric alcohols with...Ch. 17.SE - Prob. 39APCh. 17.SE - Named bombykol, the sex pheromone secreted by the...Ch. 17.SE - Carvacrol is a naturally occurring substance...Ch. 17.SE - What Grignard reagent and what carbonyl compound...Ch. 17.SE - What carbonyl compounds would you reduce to...Ch. 17.SE - What carbonyl compounds might you start with to...Ch. 17.SE - Prob. 45APCh. 17.SE - What products would you obtain from reaction of...Ch. 17.SE - Prob. 47APCh. 17.SE - How would you prepare the following compounds from...Ch. 17.SE - Prob. 49APCh. 17.SE - What products would you expect to obtain from...Ch. 17.SE - Prob. 51APCh. 17.SE - Propose structures for alcohols that have the...Ch. 17.SE - Propose a structure consistent with the following...Ch. 17.SE - The 1HNMR spectrum shown is that of...Ch. 17.SE - A compound of unknown structure gave the following...Ch. 17.SE - Propose a structure for a compound C15H24O that...Ch. 17.SE - Prob. 57APCh. 17.SE - Prob. 58APCh. 17.SE - Rank the following substituted phenols in order of...Ch. 17.SE - Benzvl chloride can be converted into benzaldehvde...Ch. 17.SE - Prob. 61APCh. 17.SE - Prob. 62APCh. 17.SE - Prob. 63APCh. 17.SE - Prob. 64APCh. 17.SE - Prob. 65APCh. 17.SE - Prob. 66APCh. 17.SE - Dehydration of trans-2-methylcyclopentanol with...Ch. 17.SE - 2, 3-Dimethyl-2, 3-butanediol has the common name...Ch. 17.SE - As a rule, axial alcohols oxidize somewhat faster...Ch. 17.SE - Prob. 70APCh. 17.SE - A problem often encountered in the oxidation of...Ch. 17.SE - Identify the reagents a-f in the Following scheme:Ch. 17.SE - Prob. 73APCh. 17.SE - Prob. 74APCh. 17.SE - Compound A, C8H10O, has the IR and 1H NMR spectra...Ch. 17.SE - Prob. 76APCh. 17.SE - Prob. 77AP
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- The 1H and 13C NMR spectra below belong to a compound with formula C6H10O2. Propose a structure for this compound.arrow_forwardPropose a structural formula for the analgesic phenacetin, molecular formula C10H13NO2, based on its 1H-NMR spectrum.arrow_forwardCompound B of molecular formula C9H19N shows a noteworthy infrared absorption at 3300 cm-1. Its 1H-NMR spectrum shows three singlets – δ 1.0 (6H), 1.1 (12H), 1.4 (1H) ppm. Its 13C-NMR spectrum has four signals – δ 25, 28, 41, 64 ppm. Suggest a structure for this compound.arrow_forward
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- Two compounds with the molecular formula C5H10O have the following 1H and 13C NMR data. Both compounds have a strong IR absorption band in the 1710–1740-cm_1 region. Elucidate the structure of these two compounds and interpret the spectra. (10) (a) 1H NMR: d 2.55 (septet, 1H), 2.10 (singlet, 3H), 1.05 (doublet, 6H); 13C NMR: d 212.6, 41.5, 27.2, 17.8 (b) 1H NMR: d 2.38 (triplet, 2H), 2.10 (singlet, 3H), 1.57 (sextet, 2H), 0.88 (triplet, 3H); 13C NMR: d 209.0, 45.5, 29.5, 17.0, 13.2arrow_forwardPropose a structure of compound C (molecular formula C10H12O) consistent with the following data. C is partly responsible for the odor and flavor of raspberries. Compound C: IR absorption at 1717 cm-1arrow_forwardCompound A of molecular formula C3H6O shows a noteworthy infrared absorption at 1716 cm-1. Its 1H-NMR spectrum shows one singlet – δ 2.2 (6H) ppm. Its 13C-NMR spectrum has two signals – δ 30, 207 ppm. Suggest a structure for this compound.arrow_forward
- Sn2 (а) СН,СH-ONa + CH;CH-CI Br + NaCN SN2 (b) SN2 -S- *Na + CH3CH,Br (c) SN2 + Na*:C= (d) SN2 (e) N + Mel S2 (f) Br + excess NH3 CI SN2 + NaOH (g) (a cyclic ether) ОН SN2 (h) Br + NaOHarrow_forwardCompound a OH phenol pK₂ = 9.89 Hydroxide ion: Bicarbonate ion: Compound b O O CH3CCH₂CCH3 pentane-2,4-dione pK₂ = 9 Compound c O CH3CH₂OCCH₂COCH₂CH3 diethyl malonate pK₂ = 13 Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pK, of H₂O = 15.74) or with a bicarbonate ion (pK, of H₂CO3 = 6.37)? Enter your answers as an alphabetized string, i.e. abc, not cba; enter none if none of the compounds are strong enough acids.arrow_forwardKetones undergo a reduction when treated with sodium borohydride, NaBH4. What is the structure of the compound produced by reaction of 2-butanone with NaBH4 if it has an IR absorption at 3400 cm-1 and M+=74 in the mass spectrum?arrow_forward
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