Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Question
Chapter 18, Problem 71P
Interpretation Introduction
Interpretation:
The given compounds can be synthesized by aldol condensation.
Concept introduction:
An aldol condensation is the condensation of two
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Chapter 18 Solutions
Organic Chemistry
Ch. 18.1 - Prob. 1PCh. 18.1 - Prob. 2PCh. 18.1 - Prob. 3PCh. 18.1 - Prob. 4PCh. 18.1 - PROBLEM 5♦
List the compounds in each of the...Ch. 18.2 - Explain why 92% of 2,4-pemtanedione exists as the...Ch. 18.3 - Draw the enol tautomers for each of the following...Ch. 18.3 - Prob. 8PCh. 18.4 - Prob. 9PCh. 18.4 - Prob. 10P
Ch. 18.5 - Show how the following compounds can be prepared...Ch. 18.6 - What compound is formed when a dilute solution of...Ch. 18.7 - Prob. 13PCh. 18.7 - Prob. 14PCh. 18.7 - How many stereoisomers are obtained from each of...Ch. 18.7 - Prob. 16PCh. 18.8 - Prob. 17PCh. 18.9 - Prob. 18PCh. 18.9 - Prob. 19PCh. 18.10 - Prob. 20PCh. 18.10 - What aldehyde or ketone would be obtained when...Ch. 18.11 - Prob. 22PCh. 18.12 - Prob. 24PCh. 18.12 - What two carbonyl compound are required for the...Ch. 18.12 - Propose a mechanism for the following reaction:Ch. 18.13 - Draw the products of the following reactions:Ch. 18.13 - Prob. 28PCh. 18.13 - Prob. 29PCh. 18.14 - Prob. 30PCh. 18.15 - Write the mechanism for the reaction of a...Ch. 18.15 - Prob. 32PCh. 18.15 - Prob. 33PCh. 18.15 - Draw the product of the reaction of each of the...Ch. 18.16 - Draw the product obtained by heating each pair of...Ch. 18.16 - Prob. 36PCh. 18.17 - Prob. 37PCh. 18.18 - Prob. 38PCh. 18.18 - Prob. 39PCh. 18.19 - Prob. 40PCh. 18.20 - Prob. 42PCh. 18.21 - Propose a mechanism for the formation of...Ch. 18.21 - Prob. 44PCh. 18.21 - a. If the biosynthesis of palmitic acid were...Ch. 18.21 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Number the following compounds in order of...Ch. 18 - The 1H NMR chemical shifts of nitromethane,...Ch. 18 - Prob. 51PCh. 18 - Draw the products of the following reactions: a....Ch. 18 - A racemic mixture of 2-methyl-1-phenyl-1-butanone...Ch. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - Identify A-L. (Hint: A shows three singles in its...Ch. 18 - Using cyclopentanone as the reactant, show the...Ch. 18 - Show how the following compounds can be prepared...Ch. 18 - Prob. 61PCh. 18 - Prob. 62PCh. 18 - Prob. 63PCh. 18 - The ketone whose 1H NMR spectrum is shown here was...Ch. 18 - Prob. 65PCh. 18 - Compound A with molecular formula C6H10 has two...Ch. 18 - Indicate how each of the following compounds can...Ch. 18 - Draw the products of the following reactions:Ch. 18 - Prob. 69PCh. 18 - a. Show how the amino acid alanine can be...Ch. 18 - Prob. 71PCh. 18 - Show how the following compounds can be...Ch. 18 - Explain why the following bromoketone forms...Ch. 18 - Prob. 74PCh. 18 - What carbonyl compounds are required to prepare a...Ch. 18 - Prob. 76PCh. 18 - A carboxylic arid is formed when an -haloketone...Ch. 18 - An , -unsaturated carbonyl compound can be...Ch. 18 - Prob. 79PCh. 18 - A Cannizzaro reaction is the reaction of an...Ch. 18 - Propose a mechanism for each of the following...Ch. 18 - The following reaction is known as the benzoni...Ch. 18 - Prob. 83PCh. 18 - Prob. 84PCh. 18 - Prob. 85PCh. 18 - Prob. 86PCh. 18 - Propose a mechanism for the following reaction:
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- which sequence of reagents will accomplish the following synthesisarrow_forwardBenzalacetone is a side product formed in the aldol condensation of dibenzalacetone. Show the reaction mechanism of how this side product, Benzalacetone, is formed.arrow_forwardDraw the structure of the major aldol product (prior to possible dehydration) of the following reaction without specifying stereochemistry. 0 dilute aqueous NaOH 0-5° • You do not have to consider stereochemistry. • If no reaction occurs, draw the organic starting material. ChemDoodle 3barrow_forward
- 2 H3C H3C H C→XT OH H3C The aldol reaction is a carbonyl condensation reaction between two carbonyl partners and involves a combination of nucleophilic addition and a-substitution steps. One partner is converted into an enolate ion nucleophile and adds to the electrophilic carbonyl group of the second partner. In the classic aldol reaction, the carbonyl partners are aldehydes or ketones, although aldehydes are more reactive. The product is a ß-hydroxy carbonyl compound. base :0: OH H H Under reaction conditions slightly more vigorous than those employed for the aldol reaction, the ß-hydroxyl group is eliminated in an E1cB dehydration to give an a,ß-unsaturated carbonyl compound. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instruct ns H3C heat OH H3C :0: H + H₂O Harrow_forwardNeed help. An acid chloride can react with a non-nucleophilic base to provide a type of functional group called a ketene. Ketenes are very reactive and unstable species. Draw a reaction mechanism to show how dimethylketene is formed.arrow_forwardShow the mechanism of the given aldol reaction.arrow_forward
- Under basic conditions, in nucleophilic acyl substitution, O protonation of the carbonyl group is followed by nucleophilic attack. loss of the leaving group is followed by formation of an acylium ion. an SN2 mechanism is followed. the nucleophile must be a weaker base than the leaving group. O nucleophilic addition to the carbonyl is followed by loss of a leaving group.arrow_forwardWhat starting materials do you need to synthesize each of the following compounds using an intramolecular aldol reaction?arrow_forwardAldol condensation is a reversible reaction and in fact aldols can be transform into the starting carbonyl compounds. Complete using arrows, the following retroaldol reactionarrow_forward
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