Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 60P
Using cyclopentanone as the reactant, show the product of
a. acid-catalyzed keto-enol interconversion.
b. an aldol addition.
c. an aldol condensation.
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Students have asked these similar questions
Convert each compound to its enol or keto tautomer.
i
CH3 CH3
Draw the aldol product formed from each compound.
CH,CHO
a.
a.
a.
CHO
b.
b.
b. (CH3)3CCH,CHO
OH
Which carbonyl compounds do not undergo an aldol reaction when treated with "OH in H₂O?
C.
(CH3)3C
An ortho
ester
C.
i
i
CH3 CH3
d.
d.
Draw the products formed in each crossed aldol reaction.
a. CH,CH,CH,CHO and CHz=0
C. CH₂CHO and
b. CH₂COCH3 and CH₂=O
(CH3)3C CH3
e.
Problem 19.12 How do you account for the following differences in ease of
hydrolysis?
(a) RC(OR), » RCH(OR')₂ » RCH₂OR'
An acetal
An ether
CHO
(b) R₂C(OR)₂ > RCH(OR')₂ > H₂C(OR')2
What is the best reaction to form a beta-ketone?
1. Aldol-Claisen Condensation
2. Aldol-Claisen Addition
3. Aldol Condensation
4. Claisen Condensation
draw the reaction scheme and step by step reaction mechanism of the following please.
a. williamson ether syhthesis of 4-chlorophenol using reagents K2CO3 and benzyl chloride
b. reduction of aldehyde 2-propanol to propanone using reagents NABH4
c. aldol condensation of 4-chlorobenzaldehyde and dimethylmalonate using reagents NaOH and EtOH
Chapter 17 Solutions
Organic Chemistry (8th Edition)
Ch. 17.1 - Prob. 1PCh. 17.1 - Prob. 2PCh. 17.1 - Prob. 3PCh. 17.1 - Prob. 4PCh. 17.1 - Rank the compounds in each of the following groups...Ch. 17.2 - Explain why 92% of 2,4-pemtanedione exists as the...Ch. 17.3 - Draw the enol tautomers for each of the following...Ch. 17.3 - Prob. 8PCh. 17.4 - Prob. 9PCh. 17.4 - Prob. 10P
Ch. 17.5 - Show how the following compounds can be prepared...Ch. 17.6 - What compound is formed when a dilute solution of...Ch. 17.7 - Prob. 13PCh. 17.7 - Prob. 14PCh. 17.7 - How many stereoisomers are obtained from each of...Ch. 17.7 - Prob. 16PCh. 17.8 - Prob. 17PCh. 17.9 - Prob. 18PCh. 17.9 - What reagents should be used to prepare the...Ch. 17.10 - Prob. 20PCh. 17.10 - What aldehyde or ketone would be obtained when...Ch. 17.11 - Prob. 22PCh. 17.11 - How could you prepare the following compound using...Ch. 17.12 - Prob. 25PCh. 17.12 - What two carbonyl compound are required for the...Ch. 17.12 - Propose a mechanism for the following reaction:Ch. 17.13 - Draw the products of the following reactions:Ch. 17.13 - Prob. 29PCh. 17.13 - Prob. 30PCh. 17.14 - Prob. 31PCh. 17.15 - Write the mechanism for the reaction of a...Ch. 17.15 - Prob. 33PCh. 17.15 - Prob. 34PCh. 17.15 - Draw the product of the reaction of each of the...Ch. 17.16 - Draw the product obtained by heating each pair of...Ch. 17.16 - What two carbonyl compounds are needed to...Ch. 17.17 - Prob. 38PCh. 17.18 - Prob. 39PCh. 17.18 - Prob. 40PCh. 17.19 - Prob. 41PCh. 17.20 - Prob. 43PCh. 17.21 - Propose a mechanism for the formation of...Ch. 17.21 - Prob. 45PCh. 17.21 - a. If the biosynthesis of palmitic acid were...Ch. 17.21 - Prob. 47PCh. 17 - Prob. 48PCh. 17 - Prob. 49PCh. 17 - Number the following compounds in order of...Ch. 17 - The 1H NMR chemical shifts of nitromethane,...Ch. 17 - Prob. 52PCh. 17 - Draw the products of the following reactions: a....Ch. 17 - A racemic mixture of 2-methyl-1-phenyl-1-butanone...Ch. 17 - Draw the products of the following reaction:Ch. 17 - Prob. 56PCh. 17 - Prob. 57PCh. 17 - In the presence of excess base and excess halogen,...Ch. 17 - Identify A-L. (Hint: A shows three singles in its...Ch. 17 - Using cyclopentanone as the reactant, show the...Ch. 17 - Show how 4-methyl-3-hexanol can be synthesized...Ch. 17 - Show how the following compound can be synthesized...Ch. 17 - Show how the following compounds can be prepared...Ch. 17 - Prob. 64PCh. 17 - Prob. 65PCh. 17 - Indicate how each of the following compounds can...Ch. 17 - Prob. 67PCh. 17 - The ketone whose 1H NMR spectrum is shown here was...Ch. 17 - Indicate how the following compounds can be...Ch. 17 - Compound A with molecular formula C6H10 has two...Ch. 17 - Prob. 71PCh. 17 - Draw the products of the following reactions:Ch. 17 - Prob. 73PCh. 17 - a. Show how the amino acid alanine can be...Ch. 17 - Show how the following compounds can be...Ch. 17 - Prob. 76PCh. 17 - Explain why the following bromoketone forms...Ch. 17 - Prob. 78PCh. 17 - A carboxylic arid is formed when an -haloketone...Ch. 17 - An , -unsaturated carbonyl compound can be...Ch. 17 - What carbonyl compounds are required to prepare a...Ch. 17 - Prob. 82PCh. 17 - A Cannizzaro reaction is the reaction of an...Ch. 17 - Propose a mechanism for each of the following...Ch. 17 - The following reaction is known as the benzoni...Ch. 17 - Prob. 86PCh. 17 - Prob. 87PCh. 17 - Prob. 88PCh. 17 - Prob. 89PCh. 17 - Prob. 90PCh. 17 - Propose a mechanism for the following reaction:Ch. 17 - What reagents are required to convert the reactant...Ch. 17 - Starting with bromocyclohexane, how can each of...Ch. 17 - Describe how the following compounds can be...Ch. 17 - Prob. 4PCh. 17 - Describe three ways to synthesize the following...Ch. 17 - Explain why 92% of 2.4-pentanedione exists as the...Ch. 17 - Describe how the following compound can be...Ch. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Prob. 10PCh. 17 - Show how the following compounds can be...
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- 1. The molecule below is ascorbic acid, also known as vitamin C. a. As drawn below, ascorbic acid is shown as a diketone. An enol tautomer of ascorbic acid exists and is how the molecule is usually drawn. Draw the enol tautomer of ascorbic acid. b. Show the mechanism for tautomerization under basic conditions from the ketone to the enol. c. Ascorbic acid has a pK₂ of 4.6 which is more similar to that of a carboxylic acid than an alcohol. Which H is most acidic in ascorbic acid? d. Explain why Vitamin C is so acidic. OH OH ascorbic acid OHarrow_forwardWhich statement is incorrect? A Grignard reagent is a strong lewis base a. O b. Water and alcohol decompose Grignard reagents Oc. Grignard reagents add to the carbonylic carbon of a ketone or aldehyde Ether and THF are solvents not suited for Grignard reactions. d.arrow_forward7. When the following ketone is treated with sodium hydroxide, two different enolates can form. a. Draw the two enolates, including an arrow pushing mechanism for their formation and any relevant resonance structures. NaOH b. Which enolate is favored when using sodium hydroxide as the base? Explain. c. Predict the product of the reaction and include an arrow-pushing mechanism. 1. NaOH 2. Brarrow_forward
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- Can you please help me with these problems for my homework?arrow_forwardIdentify the keto form of each enol tautomer. A. HO. H. B. OH C. HO A1 D. В1 C1 D1 C2 Resetarrow_forwardWhat is the first step in a base catalyzed aldol reaction? A. Protonation of Carbonyl group B. Elimination of Carbonyl with an alkene C. Formation of an Enolate D. Elimination of hydroxide E. Addition of nucleophile to R2C=Oarrow_forward
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