Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Textbook Question
Chapter 15.SE, Problem 35AP
Calicene, like azulene (Problem 15-17), has an unusually large dipole moment for a hydrocarbon. Explain, using resonance structures.
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Oxidation and Reduction of Aldehydes and
Ketones (Section 15-10)
15-75 Draw the structural formula of the carboxylic acid
formed when each of the following aldehydes is oxidized.
a. CH,-C-H
CH3
b. CH;-CH,-ČH-CH,-C-H
с. Н-С—Н
ÇI
ÇI
d. CH;—CH,—CH-CH—CH2—С-н
An important step in one synthesis of carboxylic acids is the deprotonation of diethyl malonate and its alkyl-substituted
derivative:
Base
CH;CH2O
OCH,CH3
CH;CH,0
OCH2CH3
H2
Diethyl malonate
Base
CH;CH,0
°C
`OCH,CH3
CH;CH,O
OCH,CH3
R
Alkyl substituted diethyl malonate
NaOH can deprotonate diethyl malonate effectively, but NaOC(CH3)3 is typically used to deprotonate the alkyl-substituted
derivative. Explain why.
6-21 Provide the IUPAC name for the Lewis structure shown:
H
Н-С-Н
нн
нннн
||||
Н-С-С-С-С-С-С-С-н
||| |
нннн
нн
Н-С-Н
H
Supply the IUPAC names for the following carboxylic acids:
a.
b.
нннно
| || |||
Н-с-с-с-С-с-о-H
||| |
Η Η Η Η
ннно
||| ||
H-C-C-C-C-0-H
Η Η Η
Chapter 15 Solutions
Organic Chemistry
Ch. 15.1 - Prob. 1PCh. 15.1 - Give IUPAC names for the following compounds:Ch. 15.1 - Prob. 3PCh. 15.2 - Pyridine is a flat, hexagonal molecule with bond...Ch. 15.3 - Prob. 5PCh. 15.4 - Draw the five resonance structures of the...Ch. 15.4 - Prob. 7PCh. 15.4 - Prob. 8PCh. 15.5 - Prob. 9PCh. 15.5 - Prob. 10P
Ch. 15.6 - Prob. 11PCh. 15.6 - How many electrons does each of the four nitrogen...Ch. 15.SE - Give IUPAC names for the following substances (red...Ch. 15.SE - All-cis cyclodecapentaene is a stable molecule...Ch. 15.SE - 1, 6-Methanonaphthalene has an interesting 1H NMR...Ch. 15.SE - Prob. 16VCCh. 15.SE - Azulene, an isomer of naphthalene, has a...Ch. 15.SE - Give IUPAC names for the following compounds:Ch. 15.SE - Draw structures corresponding to the following...Ch. 15.SE - Prob. 20APCh. 15.SE - Prob. 21APCh. 15.SE - Draw and name all possible aromatic compounds with...Ch. 15.SE - Propose structures for aromatic hydrocarbons that...Ch. 15.SE - Look at the three resonance structures of...Ch. 15.SE - Prob. 25APCh. 15.SE - Prob. 26APCh. 15.SE - Look at the five resonance structures for...Ch. 15.SE - Prob. 28APCh. 15.SE - 3-Chlorocyclopropene, on treatment with AgBF4,...Ch. 15.SE - Prob. 30APCh. 15.SE - Prob. 31APCh. 15.SE - Prob. 32APCh. 15.SE - Which would you expect to be most stable,...Ch. 15.SE - How might you convert 1, 3, 5, 7-cyclononatetraene...Ch. 15.SE - Calicene, like azulene (Problem 15-17), has an...Ch. 15.SE - Pentalene is a most elusive molecule that has been...Ch. 15.SE - Prob. 37APCh. 15.SE - Prob. 38APCh. 15.SE - Compound A, C8H10, yields three substitution...Ch. 15.SE - Prob. 40APCh. 15.SE - Propose structures for compounds that fit the...Ch. 15.SE - Prob. 42APCh. 15.SE - Prob. 43APCh. 15.SE - N-Phenylsydnone, so-named because it was first...Ch. 15.SE - Prob. 45APCh. 15.SE - Prob. 46APCh. 15.SE - Prob. 47APCh. 15.SE - Propose a structure for a molecule C14H12 that has...Ch. 15.SE - The proton NMR spectrum for a compound with...Ch. 15.SE - The proton NMR spectrum of a compound with formula...Ch. 15.SE - Aromatic substitution reactions occur by addition...Ch. 15.SE - Prob. 52APCh. 15.SE - Consider the aromatic anions below and their...Ch. 15.SE - After the reaction below, the chemical shift of Ha...Ch. 15.SE - Prob. 55APCh. 15.SE - Azo dyes are the major source of artificial color...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 13-57 Benzene, as we have seen in this chapter, is the simplest aromatic compound. Pyidine is an analog of benzene in which a CH group is replaced by a nitrogenarrow_forward13-43 (Chemical Connections 13E) Which features of Allura Red and Sunset Yellow make them water-soluble?arrow_forward13-7 Can an aromatic compound be a saturated compound?arrow_forward
- 13-12 One analogy often used to explain the concept of a resonance hybrid is to relate a rhinoceros to a unicorn and a dragon. Explain the reasoning in this analogy and how it might relate to a resonance hybrid.arrow_forward16-17 Propylamine (bp 48°C), ethylmethylamine (bp 37°C), and trimethylamine (bp 3°C) are constitutional isomers with the molecular formula C3HgN. Account for the fact that trimethylamine has the lowest boiling point of the three and propylamine has the highest.arrow_forward13-4 Define aromatic compound.arrow_forward
- 13-B Do aromatic rings have double bonds? Are they unsaturated? Explain.arrow_forwardFollowing is the structural formula of the tranquilizer meparfynol (Oblivon). Oblivon HO Propose a synthesis for this compound starting with acetylene and a ketone. (Notice the -yn- and -ol in the chemical name of this compound, indicating that it contains al- kyne and hydroxyl functional groups.)arrow_forwardOropheic acid is the common name of a naturally occurring acetylenic carboxylic acid having the molecular formula C18H22O2. Its systematic name is 17-octadecene-9,11,13-triynoic acid. What is its structural formula?arrow_forward
- Alkyne anions react with the carbonyl groups of aldehydes and ketones to form alkynyl alcohols, as illustrated by the following sequence. HCI CH,C=C Na* + H-C-H [CH,C=C-CH,O Na*] H,O → CH,C=C-CH,OH Propose a mechanism for the formation of the bracketed compound, using curved arrows to show the flow of electron pairs in the course of the reaction.arrow_forward17-27 Pentane, 1-butanol, and butanal all have approximately the same molecular weights but different boiling points. Arrange them in order of increasing boiling point. Explain the basis for your ranking.arrow_forwardYou may want to reference (Pages 408 - 414) Section 12.3 while completing this problem. The compound frambinone has the taste of raspberries and has been used in weight loss. Its structure is HO |||-CH₂-CH, -C-CH3 ▾ Part A Identify the functional groups in frambinone. Check all that apply. ketone aromatic aldehyde ester ether phenol Submit Request Answerarrow_forward
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