Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Textbook Question
Chapter 13, Problem 5PP
Practice Problem 13.5
The following enol (an alkene-alcohol) and keto (a keto ne) forms of
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1.
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
Chapter 13 Solutions
Organic Chemistry
Ch. 13 - Prob. 1PPCh. 13 - Prob. 2PPCh. 13 - Prob. 3PPCh. 13 - Practice Problem 13.4 From each set of resonance...Ch. 13 - Practice Problem 13.5 The following enol (an...Ch. 13 - Prob. 6PPCh. 13 - Practice Problem 13.7
Two compounds, A and B, have...Ch. 13 - Prob. 8PPCh. 13 - Prob. 9PPCh. 13 - Prob. 10PP
Ch. 13 - Prob. 11PPCh. 13 - Prob. 12PPCh. 13 - Prob. 13PPCh. 13 - Prob. 14PPCh. 13 - Prob. 15PPCh. 13 - Practice Problem 13.16
Diels–Alder reactions also...Ch. 13 - Prob. 17PPCh. 13 - Prob. 18PCh. 13 - What product would you expect from the following...Ch. 13 - Prob. 20PCh. 13 - Prob. 21PCh. 13 - Provide the reagents necessary for each of the...Ch. 13 - Prob. 23PCh. 13 - Prob. 24PCh. 13 - Prob. 25PCh. 13 - When 1-pentene reacts with N-bromosuccinimide...Ch. 13 - Prob. 27PCh. 13 - Prob. 28PCh. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - 13.31 Provide a mechanism that explains formation...Ch. 13 - 13.32 Provide a mechanism that explains formation...Ch. 13 - Treating either 1-chloro-3-methyl-2-butene or...Ch. 13 - Prob. 34PCh. 13 - Prob. 35PCh. 13 - Although both 1-bromobutane and 4-bromo-1-butene...Ch. 13 - Prob. 37PCh. 13 - Prob. 38PCh. 13 - Prob. 39PCh. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Prob. 42PCh. 13 - Prob. 43PCh. 13 - 13.44 When furan and maleimide undergo a...Ch. 13 - Two controversial hard insecticides are aldrin and...Ch. 13 - Prob. 46PCh. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Prob. 49PCh. 13 - Prob. 50PCh. 13 - Explain the product distribution below based on...Ch. 13 - Mixing furan (Problem 13.44) with maleic anhydride...Ch. 13 - Prob. 53PCh. 13 - Prob. 54PCh. 13 - Prob. 1LGPCh. 13 - Prob. 2LGP
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- Compound 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_forward1arrow_forward(a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief discussion with each other, Tsomane proposed Method A to synthesise 2 from cyclohexanone 1 while Nyiko proposed Method B that started from hydroxymethylcyclohexane 3. Each student believed that their proposed method is better than the other. (Scheme below) (1) 1 Ph THF A Ph Ph B H₂SO4 100 °C 3 OH What is the name of the reaction that is followed by reaction Method A?arrow_forward
- 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) ppmarrow_forwardJj.198.arrow_forward(a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief discussion with each other, Tsomane proposed Method A to synthesise 2 from cyclohexanone 1 while Nyiko proposed Method B that started from hydroxymethylcyclohexane 3. Each student believed that their proposed method is better than the other. (Scheme below) (1) Ph Ph 8*8 Ph THF A 1 Santande B H₂SO4 100 °C 3 OH Using curly arrows, provide full mechanistic details accounting how methylenecyclohexane 2 was synthesised according to both Methods A and B.arrow_forward
- (f) Methyl benzene (toluene) reacts with NO₂+ ions in strongly acidic solution, formed by a nitrating mixture of nitric acid and sulfuric acid. NO₂ 0 °C + NO₂* H* CH3 CH3 Name the aromatic product of this reaction (g) Draw the mechanism for this reaction using curly arrows (h) Sketch the ¹H NMR spectrum of phenol. Your answer should indicate the number of distinct ¹H environments (the multiplicity of each resonance peak is not required) (i) Predict, with reasoning, whether you expect the reactivity of phenol towards NO₂+ ions to be greater than the reaction involving methylbenzene. [word limit=50]arrow_forward(a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief discussion with each other, Tsomane proposed Method A to synthesise 2 from cyclohexanone 1 while Nyiko proposed Method B that started from hydroxymethylcyclohexane 3. Each student believed that their proposed method is better than the other. (Scheme below) Ph THF A Ph Ph B H₂SO4 100 °C 3 OH (iii) In analysing both these methods, are there other possible alkene products other than methylenecyclohexane 2? Use mechanistic details to support your answer.arrow_forwardCan you please help with part a and part b. Thank you (q10)arrow_forward
- 10.35 Show how you might bring about the following conversions. For any conversion involv- ing more than one step, show each intermediate compound. Toy thalgy LOH (b) HOED HO lemburan, and ignonte dass 101 od 15grote schmal au OH 0-OH OH (a) (c) (e) Лон (i) ОН — 1000 110 10 112 115 HO 10 HO HO Yo OH bir rico sd send ogniz sili CH₂ dilipp besc-sain CH, JESH IH (6 → (b) (6 (d) H1) (d) CH₂Cl O + OH -> rognous siit [del murgiliups (los HO HO HO 00 CHO CH₂OH OH 191 1992 hiwted-Ito (h) 5.0 7 OH TOHO HD 10 2H0D) Ö De din inacted to OH isod 1811 (3) 184 10 odot LOH 210 750 11000-16) H 51 to enarrow_forwardJj.128.arrow_forwardThe ¹H NMR spectrum of a compound with the molecular formula C7H₁5Cl exhibits signals with relative integration 9:3:2:1. Propose a structure for this compound. 4-chloroheptane 3-chloro-2,2-dimethylpentane 3-chloro-2,4-dimethylpentane O2-chloro-2,3,3-trimethylbutanearrow_forward
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