
EBK ORGANIC CHEMISTRY
9th Edition
ISBN: 8220100591310
Author: McMurry
Publisher: CENGAGE L
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Question
Chapter 14.SE, Problem 35AP
Interpretation Introduction
Interpretation:
Whether a conjugated diyne such as 1,3-butadiyne will give Diels-Alder reaction with a dienophile or not is to be explained.
Concept introduction:
In Diels-Alder reaction, a dienophile reacts with a diene to yield a cyclic adduct. The reaction takes place through 1,4 addition of the dienophile into the diene through a cyclic transition state. These reactions occur rapidly with dienophiles having electron withdrawing substituent groups in conjugation with the double bond and if the diene adapts a s-cis conformation during the reaction.
To explain:
Whether a conjugated diyne such as 1,3-butadiyne will give Diels-Alder reaction with a dienophile or not.
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how to get limiting reactant and %
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Compound
Mass 6) Volume(mL
Ben zaphone-5008
ne
Acetic Acid
1. Sam L
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8.00
Benzopin-
a col
030445
Benzopin
a Colone 0.06743
Results
Compound
Melting Point (°c)
Benzopin
acol
172°c - 175.8 °c
Benzoping
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1797-180.9
Assign ALL signals for the proton and carbon NMR spectra on the following pages.
7.5
1.93
2.05
C
B
A
4
3
5
The Joh.
9
7
8
1
2
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0 ppm
9
7
8
0.86
OH 10
4
3
5
1
2
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
ppm
9
7
8
CI
4
3
5
1
2
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
2.21
4.00
1.5
2.00
2.07
1.0
ppm
2.76
Chapter 14 Solutions
EBK ORGANIC CHEMISTRY
Ch. 14.1 - Prob. 1PCh. 14.2 - Give the structures of both 1, 2 and 1, 4 adducts...Ch. 14.2 - Prob. 3PCh. 14.2 - Give the structures of both 1, 2 and 1, 4 adducts...Ch. 14.3 - Prob. 5PCh. 14.3 - Prob. 6PCh. 14.5 - Predict the product of the following Diels–Alder...Ch. 14.5 - Prob. 8PCh. 14.5 - Which of the following dienes have an s-cis...Ch. 14.5 - Predict the product of the following Diels–Alder...
Ch. 14.6 - Prob. 11PCh. 14.6 - Prob. 12PCh. 14.7 - Prob. 13PCh. 14.7 - Prob. 14PCh. 14.8 - Which of the following compounds would you expect...Ch. 14.SE - Prob. 16VCCh. 14.SE - Show the product of the Diels–Alder reaction of...Ch. 14.SE - Prob. 18VCCh. 14.SE - Prob. 19VCCh. 14.SE - Prob. 20MPCh. 14.SE - Prob. 21MPCh. 14.SE - In light of your answer to Problem 14-21 propose...Ch. 14.SE - Luminol, which is used by forensic scientists to...Ch. 14.SE - Prob. 24MPCh. 14.SE - Give IUPAC names for the following compounds:Ch. 14.SE - Prob. 26APCh. 14.SE - Prob. 27APCh. 14.SE - Electrophilic addition of Br2 to isoprene...Ch. 14.SE - Prob. 29APCh. 14.SE - Prob. 30APCh. 14.SE - Predict the products of the following...Ch. 14.SE - 2,3-Di-tert-butyl-1,3-butadiene does not undergo...Ch. 14.SE - Prob. 33APCh. 14.SE - Prob. 34APCh. 14.SE - Prob. 35APCh. 14.SE - Prob. 36APCh. 14.SE - Rank the following dienophiles in order of their...Ch. 14.SE - Prob. 38APCh. 14.SE - Prob. 39APCh. 14.SE - Prob. 40APCh. 14.SE - Although the Diels–Alder reaction generally...Ch. 14.SE - Prob. 42APCh. 14.SE - Tires whose sidewalls are made of natural rubber...Ch. 14.SE - Prob. 44APCh. 14.SE - Prob. 45APCh. 14.SE - Prob. 46APCh. 14.SE - Would you expect allene, H2C = C = CH2, to show a...Ch. 14.SE - The following ultraviolet absorption maxima have...Ch. 14.SE - Prob. 49APCh. 14.SE - -Ocimene is a pleasant-smelling hydrocarbon found...Ch. 14.SE - Draw the resonance forms that result when the...Ch. 14.SE - Prob. 52APCh. 14.SE - Treatment of 3,4-dibromohexane with strong base...Ch. 14.SE - Prob. 54APCh. 14.SE - Prob. 55APCh. 14.SE - Prob. 56APCh. 14.SE - Prob. 57APCh. 14.SE - Prob. 58APCh. 14.SE - Hydrocarbon A, C10H14, has a UV absorption at...Ch. 14.SE - Prob. 60APCh. 14.SE - Prob. 61APCh. 14.SE - Prob. 62APCh. 14.SE - Prob. 63APCh. 14.SE - Prob. 64APCh. 14.SE - The double bond of an enamine (alkene + amine) is...Ch. 14.SE - Prob. 66AP
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