Organic Chemistry
11th Edition
ISBN: 9781118133576
Author: T. W. Graham Solomons, Craig Fryhle
Publisher: Wiley, John & Sons, Incorporated
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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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Sn2
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(b)
SN2
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(c)
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+ Na*:C=
(d)
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(e)
N + Mel
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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
(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?
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 - Prob. 44PCh. 13 - 13.44 When furan and maleimide undergo a...Ch. 13 - Two controversial hard insecticides are aldrin and...Ch. 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. 2LGPCh. 13 - Prob. 1QCh. 13 - Prob. 2QCh. 13 - Prob. 3QCh. 13 - Prob. 4QCh. 13 - Prob. 5Q
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- (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_forward10. E to CH3ONa a) Br₂ Br2 1. Mg /ether khan (A) (B) (C) (D) hv FeBr3 hv 2. CO2 3. H3O+ C1 B2 B3 B1 KMnO4 H+ C1 Mg, ether CHO b) 1. CH3Mgl H2SO4 HBr 1. Mgether khan A B D to 2. H3O+ peroxide 2. H₂C-CH2 ° CH3COCI AICI 3 1. C1 1. 03 G F E 2. H3O+ 2. Na₂S 3. H3O+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
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