Organic Chemistry
6th Edition
ISBN: 9781936221349
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
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Chapter 18, Problem 18.85AP
Interpretation Introduction
Interpretation:
The structure of product
Concept introduction:
Oxidation is a process in which an oxygen atom is added, or a hydrogen atom is removed from a compound. Phenols are oxidized to carbonyl groups on oxidation. On oxidation with strong oxidizing agents like
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Reaction between this aldehyde and ketone in base gives a compound A with the
proton NMR spectrum: ô 1.10 (9H, s), 1.17 (9H, s), 6.4 (1H, d, J 15), and 7.0 (1H, d, J
15). What is its structure? (Don't forget stereochemistry!). When this compound
reacts with HBr it gives compound B with this NMR spectrum: õu 1.08 (9H, s), 1.13
(9H, s), 2.71 (1H, dd, J 1.9, 17.7), 3.25 (dd, J10.0, 17.7), and 4.38 (1H, dd, J 1.9, 10.0).
Suggest a structure, assign the spectrum, and give a mechanism for the formation
of B.
H
base
C11H₂00
HBr
B
C11H₂1 Bro
A compound with molecular formula
C7H1402 upon hydrolysis produces an
alcohol and an acid. It has the following
(b)
NMR data :
'H-NMR (at 298 K, 600 MHz, CDC13) :
80-92 (d, 6H), 1:52 (т, 2н), 1-69
(m, 1Н), 2-04 (s, ЗH) and 4-09 (t, 2H).
13 C-NMR :
8 21-0, 22:5, 25:1, 37.4, 63·1 and
171-2 ppm
DEPT provided two inverted signals.
Predict the structure of the alcohol that
is obtained through hydrolysis of the
mentioned parent compound. Assign
appropriate IR values, 'H and 13C-NMR
resonances along with a mass spectral
pattern for the alcohol.
Identify products A and B from the given 1H NMR data.
Treatment of CH2=CHCOCH3 with one equivalent of HCl forms compound A. A exhibits the following absorptions in its 1H NMR spectrum: 2.2 (singlet, 3H), 3.05 (triplet, 2 H), and 3.6 (triplet, 2 H) ppm. What is the structure of A?
Chapter 18 Solutions
Organic Chemistry
Ch. 18 - Prob. 18.1PCh. 18 - Prob. 18.2PCh. 18 - Prob. 18.3PCh. 18 - Prob. 18.4PCh. 18 - Prob. 18.5PCh. 18 - Prob. 18.6PCh. 18 - Prob. 18.7PCh. 18 - Prob. 18.8PCh. 18 - Prob. 18.9PCh. 18 - Prob. 18.10P
Ch. 18 - Prob. 18.11PCh. 18 - Prob. 18.12PCh. 18 - Prob. 18.13PCh. 18 - Prob. 18.14PCh. 18 - Prob. 18.15PCh. 18 - Prob. 18.16PCh. 18 - Prob. 18.17PCh. 18 - Prob. 18.18PCh. 18 - Prob. 18.19PCh. 18 - Prob. 18.20PCh. 18 - Prob. 18.21PCh. 18 - Prob. 18.22PCh. 18 - Prob. 18.23PCh. 18 - Prob. 18.24PCh. 18 - Prob. 18.25PCh. 18 - Prob. 18.26PCh. 18 - Prob. 18.27PCh. 18 - Prob. 18.28PCh. 18 - Prob. 18.29PCh. 18 - Prob. 18.30PCh. 18 - Prob. 18.31PCh. 18 - Prob. 18.32PCh. 18 - Prob. 18.33PCh. 18 - Prob. 18.34PCh. 18 - Prob. 18.35PCh. 18 - Prob. 18.36PCh. 18 - Prob. 18.37PCh. 18 - Prob. 18.38PCh. 18 - Prob. 18.39PCh. 18 - Prob. 18.40PCh. 18 - Prob. 18.41PCh. 18 - Prob. 18.42PCh. 18 - Prob. 18.43PCh. 18 - Prob. 18.44PCh. 18 - Prob. 18.45PCh. 18 - Prob. 18.46APCh. 18 - Prob. 18.47APCh. 18 - Prob. 18.48APCh. 18 - Prob. 18.49APCh. 18 - Prob. 18.50APCh. 18 - Prob. 18.51APCh. 18 - Prob. 18.52APCh. 18 - Prob. 18.53APCh. 18 - Prob. 18.54APCh. 18 - Prob. 18.55APCh. 18 - Prob. 18.56APCh. 18 - Prob. 18.57APCh. 18 - Prob. 18.58APCh. 18 - Prob. 18.59APCh. 18 - Prob. 18.60APCh. 18 - Prob. 18.61APCh. 18 - Prob. 18.62APCh. 18 - Prob. 18.63APCh. 18 - Prob. 18.64APCh. 18 - Prob. 18.65APCh. 18 - Prob. 18.66APCh. 18 - Prob. 18.67APCh. 18 - Prob. 18.68APCh. 18 - Prob. 18.69APCh. 18 - Prob. 18.70APCh. 18 - Prob. 18.71APCh. 18 - Prob. 18.72APCh. 18 - Prob. 18.73APCh. 18 - Prob. 18.74APCh. 18 - Prob. 18.75APCh. 18 - Prob. 18.76APCh. 18 - Prob. 18.77APCh. 18 - Prob. 18.78APCh. 18 - Prob. 18.79APCh. 18 - Prob. 18.80APCh. 18 - Prob. 18.81APCh. 18 - Prob. 18.82APCh. 18 - Prob. 18.83APCh. 18 - Prob. 18.84APCh. 18 - Prob. 18.85APCh. 18 - Prob. 18.86APCh. 18 - Prob. 18.87APCh. 18 - Prob. 18.88APCh. 18 - Prob. 18.89APCh. 18 - Prob. 18.90APCh. 18 - Prob. 18.91APCh. 18 - Prob. 18.92AP
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