ORGANIC CHEMISTRY
6th Edition
ISBN: 9781260826791
Author: SMITH
Publisher: MCG
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Chapter 25.5, Problem 23P
(a) What product is formed by the Claisen rearrangement of compound Z? (b) Using what you have learned about ring-closing metathesis in Chapter 26, draw the product formed when the product in part (a) is treated with Grubbs catalyst. These two reactions are key steps in the synthesis of garsubellin A, a biologically active natural product that stimulates the synthesis of the neurotransmitter acetylcholine. Compounds of this sort may prove to be useful drugs for the treatment of neurodegenerative diseases such as Alzheimer’s disease.
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Students have asked these similar questions
13C NMR is good for:
a) determining the molecular weight of
the compound
b) identifying certain functional groups.
c) determining the carbon skeleton, for
example methyl vs ethyl vs propyl groups
d) determining how many different kinds
of carbon are in the molecule
6
D
2. (1 pt) Limonene can be isolated by performing steam distillation of orange peel.
Could you have performed this experiment using hexane instead of water? Explain.
3. (2 pts) Using GCMS results, analyze and discuss the purity of the Limonene obtained
from the steam distillation of orange peel.
Part III. Arrange the following carbons (in blue) in order of increasing chemical shift.
HO
B
NH 2
A
CI
Chapter 25 Solutions
ORGANIC CHEMISTRY
Ch. 25.1 - Prob. 1PCh. 25.2 - Problem 27.2
For each molecular orbital in Figure...Ch. 25.2 - Problem 27.3
(a) Using Figure 27.2 as a guide,...Ch. 25.3 - Prob. 4PCh. 25.3 - Prob. 5PCh. 25.3 - Prob. 6PCh. 25.3 - Prob. 7PCh. 25.3 - Prob. 8PCh. 25.3 - Prob. 9PCh. 25.3 - Problem 27.11
What product would be formed by the...
Ch. 25.4 - Consider cycloheptatrienone and ethylene, and draw...Ch. 25.4 - Problem 27.13
Show that a thermal suprafacial...Ch. 25.4 - Prob. 13PCh. 25.5 - Prob. 17PCh. 25.5 - Prob. 18PCh. 25.5 - Prob. 19PCh. 25.5 - Prob. 20PCh. 25.5 - Prob. 21PCh. 25.5 - Prob. 22PCh. 25.5 - Problem 27.25
(a) What product is formed by the...Ch. 25.6 - Prob. 24PCh. 25 - Prob. 25PCh. 25 - Prob. 26PCh. 25 - Prob. 31PCh. 25 - Prob. 32PCh. 25 - Prob. 33PCh. 25 - Prob. 34PCh. 25 - Prob. 35PCh. 25 - Prob. 36PCh. 25 - Prob. 37PCh. 25 - Prob. 41PCh. 25 - Prob. 42PCh. 25 - Prob. 44PCh. 25 - Prob. 45PCh. 25 - 27.47 What product is formed from the [5,5]...Ch. 25 - 27.52 Draw the products of each reaction.
c....
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