18-47 Methylparaben and propylparaben are used as preservatives in foods, beverages, and cosmetics. Show how each of these preservatives can be prepared from 4-aminobenzoic acid.
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Introduction to General, Organic a...
11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFindarrow_forward
Introduction to General, Organic a...
11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
Solutions
Chapter
Section
Chapter 18, Problem 18.47P
Textbook Problem
18-47 Methylparaben and propylparaben are used as preservatives in foods, beverages, and cosmetics.
Show how each of these preservatives can be prepared from 4-aminobenzoic acid.
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Expert Solution
Chapter 18 Solutions
Introduction to General, Organic and Biochemistry
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addCh. 18.2 - Problem 18-1 Each of the following compounds has a...Ch. 18.5 - Problem 18-2 Write equations for the reaction of...Ch. 18.5 - Problem 18-3 Complete these Fischer esterification...Ch. 18 - 18-4 Answer true or false. (a) The functional...Ch. 18 - 18-5 Answer true or false. (a) The general name of...Ch. 18 - 18-6 Name and draw structural formulas for the...Ch. 18 - 18-7 Write the IUPAC name for each carboxylic...Ch. 18 - 18-8 Write the IUPAC name for each carboxylic...Ch. 18 - 18-9 Draw a structural formula for each carboxylic...Ch. 18 - 18-10 Draw a structural formula for each...
Ch. 18 - 18-11 Draw a structural formula for each...Ch. 18 - 18-12 Calcium oxalate is a major component of...Ch. 18 - 18-13 The monopotassium salt of oxalic acid is...Ch. 18 - 18-14 Answer true or false. (a) Carboxylic acids...Ch. 18 - 18-15 Draw a structural formula for the dimer...Ch. 18 - 18-16 Propanedioic (malonic) acid forms an...Ch. 18 - 18-17 Hexanoic (caproic) acid has a solubility in...Ch. 18 - 18-18 Propanoic acid and methyl acetate are...Ch. 18 - 18-19 The following compounds have approximately...Ch. 18 - 18-20 The following compounds have approximately...Ch. 18 - 18-21 Arrange these compounds in order of...Ch. 18 - 18-22 Answer true or false. (a) Fatty acids are...Ch. 18 - 18-23 Characterize the structural features...Ch. 18 - 18-24 The detergents illustrated in this chapter...Ch. 18 - 18-25 Following are structural formulas for two...Ch. 18 - 18-26 Answer true or false. (a) Carboxylic acids...Ch. 18 - 18-27 Alcohols, phenols, and carboxylic acids all...Ch. 18 - 18-28 Arrange these compounds in order of...Ch. 18 - 18-29 Complete the equations for these acid—base...Ch. 18 - 18-30 Complete the equations for these acid-base...Ch. 18 - 18-31 Formic acid is one of the components...Ch. 18 - 18-32 Starting with the definition of Ka of a weak...Ch. 18 - 18-33 Using the equation from Problem 18-32 that...Ch. 18 - 18-34 The pKa of acetic acid is 4.75. What form(s)...Ch. 18 - 18-35 The normal pH range for blood plasma is 7.35...Ch. 18 - 18-36 The pKa of ascorbic acid (Vitamin C, see...Ch. 18 - 18-37 Complete the equations for the following...Ch. 18 - 18-38 Which is the stronger base: CH3CH2NH2 or...Ch. 18 - 18-39 Complete the equations for the following...Ch. 18 - 18-40 Define and give an example of Fischer...Ch. 18 - 18-41 Complete these examples of Fischer...Ch. 18 - 18-42 From what carboxylic acid and alcohol is...Ch. 18 - 18-43 Methyl 2-hydroxybenzoate (methyl salicylate)...Ch. 18 - 18-44 Show how you could convert cinnamic acid to...Ch. 18 - 18-45 Give the expected organic product formed...Ch. 18 - 18-46 Procaine (its hydrochloride salt is marketed...Ch. 18 - 18-47 Methylparaben and propylparaben are used as...Ch. 18 - 18-48 4-Aminobenzoic acid is prepared from benzoic...Ch. 18 - 18-49 When 5-hydroxypentanoic acid is treated with...Ch. 18 - 18-50 We have seen that esters can be prepared by...Ch. 18 - 18-51 Draw the structural formula of a compound...Ch. 18 - 18-52 Complete the equations for these oxidations:Ch. 18 - 18-53 In Chapter 27, we will study a metabolic...Ch. 18 - 18-54 Azithromycin is a broad-spectrum antibiotic...Ch. 18 - 18-55 Below is the structural formula of a...
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