ORGANIC CHEMISTRY
6th Edition
ISBN: 9781266633973
Author: SMITH
Publisher: MCG
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Textbook Question
Chapter 15, Problem 58P
Zolpidem (trade name Ambien) promotes the rapid onset of sleep, making it a widely prescribed drug for treating insomnia.
a In what type of orbital does the lone pair on each N atom in the heterocycle reside?
b. Explain why the bicyclic ring system that contains both N atoms is
c. Draw all reasonable resonance structures for the bicyclic ring system.
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The purine heterocycle occurs commonly in the structure of DNA.
a. How is each N atom hybridized?
b. In what type of orbital does each lone pair on a N atom reside?
c. How many a electrons does purine contain?
d. Why is purine aromatic?
purine
a.How many π electrons does C contain?
b.How many π electrons are delocalized in the ring?
c.Explain why C is aromatic.
INSTRUCTIONS: Choose the letter of the BEST answer for each item.
1. How many lone pairs are involved in sustaining the conjugation of pyridine?
A. One
B. Two
C. Three
D. Four
2. Benzopyrene, naphthalene and pyrene are members of these group of aromatic compounds:
A. Benzenoid aromatic compounds
B. Non-benzenoid aromatic compounds
C. Heterocyclic aromatic compounds
D. Heteronuclear compounds
3. What type of aromatic compound is pyridine?
A. Heterocyclic aromatic compound
B. Benzenoid aromatic compound
C. Non-benzenoid aromatic compound
D. Homonuclear cyclic compound
4. What property of aromatic rings prevent the involvement of the conjugated structure to addition reactions?
A. Radical stabilization
B. Resonance stability
C. Inductive effect
D. Aromatic effect
5. Which electrophilic aromatic substitution reaction is described when aniline is transformed into para-aminotolouene?
A. Nitration
B. Friedel Crafts alkylation
C. Oxidation
D. Halogenation
6. What type of relationship does…
Chapter 15 Solutions
ORGANIC CHEMISTRY
Ch. 15.2 - Prob. 1PCh. 15.2 - Problem 17.2 What orbitals are used to form the...Ch. 15.3 - Prob. 4PCh. 15.3 - Problem-17.5 What is the structure of propofol,...Ch. 15.6 - Prob. 7PCh. 15.8 - Prob. 8PCh. 15.8 - Prob. 11PCh. 15.8 - Prob. 12PCh. 15.8 - Problem 17.16 Rank the following compounds in...Ch. 15.8 - Problem 17.17 Draw the seven resonance structures...
Ch. 15 - 17.23 Name each compound and state how many lines...Ch. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - 17.27 Give the IUPAC name for each compounds.
a....Ch. 15 - 17.28 Draw a structure corresponding to each...Ch. 15 - 17.29 a. Draw the 14 constitutional isomers of...Ch. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - 17.38
How many electrons does C contain?
How...Ch. 15 - Prob. 36PCh. 15 - 17.40 Explain the observed rate of reactivity of...Ch. 15 - 17.41 Draw a stepwise mechanism for the following...Ch. 15 - Prob. 39PCh. 15 - 17.43 Draw additional resonance structures for...Ch. 15 - Prob. 41PCh. 15 - Prob. 42PCh. 15 - 17.46 Which compound in each pair is the stronger...Ch. 15 - 17.47 Treatment of indene with forms its...Ch. 15 - Prob. 45PCh. 15 - 17.49 Draw the conjugate bases of pyrrole and...Ch. 15 - 17.50 a. Explain why protonation of pyrrole occurs...Ch. 15 - Prob. 48PCh. 15 - Prob. 49PCh. 15 - 17.53 How many signals does each compound...Ch. 15 - 17.54 Which of the diethylbenzene isomers (ortho,...Ch. 15 - 17.55 Propose a structure consistent with each...Ch. 15 - 17.56 Propose a structure consistent with each...Ch. 15 - 17.57 Thymol (molecular formula ) is the major...Ch. 15 - 17.58 You have a sample of a compound of molecular...Ch. 15 - 17.59 Explain why tetrahydrofuran has a higher...Ch. 15 - 17.60 Rizatriptan (trade name Maxalt) is a...Ch. 15 - 17.61 Zolpidem (trade name Ambien) promotes the...Ch. 15 - 17.62 Answer the following questions about...Ch. 15 - 17.63 Stanozolol is an anabolic steroid that...Ch. 15 - Prob. 61P
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- Which structure is aromatic and has six electrons In the conjugated system? Click on a letter A through D to answer. H A. C. D. В.arrow_forward2. Which structure is NOT aromatic? a d. H3C :Br: DOarrow_forwardLabel each compound as aromatic, antiaromatic, or not aromatic. Assume all completely conjugated rings are planar. Å a. b. C. d.arrow_forward
- Which molecules below are anti- aromatic? D A. Structure D Structure B Structure A Structure C B. C. D.arrow_forwardIf a molecule contains an aromatic ring, such as a benzene ring, attached to a non-aromatic ring, how does that affect the overall aromaticity of the molecule?arrow_forwardExplain why C is aromatic.arrow_forward
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