Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 13, Problem 63P
14-73 Lipoic acid is a growth factor for many bacteria
and protozoa and an essential component of several enzymes involved in human
COOH
Lipoic acid
- Name the two
functional groups in lipoic acid.
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Chapter 13 Solutions
Introduction To General, Organic, And Biochemistry
Ch. 13.1 - Prob. 13.1QCCh. 13.1 - Prob. 13.2QCCh. 13.2 - Problem 14-3 Draw structural formulas for the...Ch. 13.2 - Prob. 13.4QCCh. 13.2 - Prob. 13.5QCCh. 13.3 - Problem 14-6 Write the common name for each ether.Ch. 13.4 - Prob. 13.7QCCh. 13.4 - Prob. 13.8QCCh. 13 - 14-8 Answer true or false. The functional group of...Ch. 13 - 14-9 What is the difference in structure between a...
Ch. 13 - 14-10 Which of the following are secondary...Ch. 13 - 14-11 Which of the alcohols in Problem 14-10 are...Ch. 13 - 14-12 Write the 1UPAC name of each compound. (e)...Ch. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - 14-15 Both alcohols and phenols contain an —OH...Ch. 13 - Prob. 9PCh. 13 - 14-17 Explain in terms of noncovalent interactions...Ch. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - 14-20 Show hydrogen bonding between methanol and...Ch. 13 - 14-21 Show hydrogen bonding between the oxygen of...Ch. 13 - 14-22 Arrange these compounds in order of...Ch. 13 - 14-23 Arrange these compounds in order of...Ch. 13 - 14-24 2-Propanol (isopropyl alcohol) is commonly...Ch. 13 - Prob. 18PCh. 13 - Prob. 19PCh. 13 - Prob. 20PCh. 13 - 14-28 Give the structural formula of an alkene or...Ch. 13 - Prob. 22PCh. 13 - 14-30 Show how to distinguish between cyclohexanol...Ch. 13 - 14-31 Compare the acidity of alcohols and phenols,...Ch. 13 - 14-32 Both 2,6-diisopropylcyclohexanol and the...Ch. 13 - 14-33 Write equations for the reaction of...Ch. 13 - 14-34 Write equations for the reaction of...Ch. 13 - 14-35 Write equations for the reaction of each of...Ch. 13 - 14-36 Show how to convert cyclohexanol to these...Ch. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - 14-39 Name two important alcohols derived from...Ch. 13 - 14-40 Name two important alcohols derived from...Ch. 13 - Prob. 34PCh. 13 - 14-42 Write the common name for each ether. ch3...Ch. 13 - Prob. 36PCh. 13 - 14-44 Answer true or false. (a) The functional...Ch. 13 - Prob. 38PCh. 13 - Write the common name for each thiol in Problem 38...Ch. 13 - 14-47 Following are structural formulas for...Ch. 13 - 14-48 Explain why methanethiol, CH3SH, has a lower...Ch. 13 - 14-49 Answer true or false. Today, the major...Ch. 13 - (Chemical Connections 13A ) As stated in the...Ch. 13 - Prob. 44PCh. 13 - Prob. 45PCh. 13 - Prob. 46PCh. 13 - Prob. 47PCh. 13 - (Chemical Connections 13D ) Show that enflurane...Ch. 13 - Prob. 49PCh. 13 - 14-60 Write a balanced equation for the complete...Ch. 13 - 14-61 Knowing what you do about electronegativity,...Ch. 13 - 14-62 Draw structural formulas and write IUPAC...Ch. 13 - Prob. 53PCh. 13 - 14-64 Explain why the boiling point of ethylene...Ch. 13 - Prob. 55PCh. 13 - 14-66 1,4-Butanediol, hexane, and 1-pentanol have...Ch. 13 - 14-67 Of the three compounds given in Problem...Ch. 13 - Prob. 58PCh. 13 - 14-69 Show how to prepare each compound from...Ch. 13 - 14-70 Show how to prepare each compound from...Ch. 13 - 14-71 The mechanism of the acid-catalyzed...Ch. 13 - Prob. 62PCh. 13 - 14-73 Lipoic acid is a growth factor for many...Ch. 13 - 14-74 Following is a structural formula for the...Ch. 13 - Prob. 65PCh. 13 - Prob. 66PCh. 13 - Prob. 67PCh. 13 - 14-78 Consider alkenes A, B, and C. each of which...Ch. 13 - Prob. 69P
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- 14-55 (Chemical Connections 140 The legal definition of being under the influence of alcohol is based on blood alcohol content. What is the relationship between breath alcohol content and blood alcohol content?arrow_forward14-48 Explain why methanethiol, CH3SH, has a lower boiling point (6°C) than methanol, CH3OH (65°C), even though methanethiol has a higher molecular weightarrow_forward14-44 Answer true or false. (a) The functional group of a thiol is the —SH (sulfhydryl, group. (b, The parent name of a thiol is the name of the Ion gest carbon chain that contains the —SH group. (c) The S—H bond is nonpolar covalent. (d, The acidity of ethanethiol is comparable to that of phenol. Both phenols and thiols are classified as weak adds. The most common biological reaction of thiols is their oxidation to disulfides. The functional group of a disulfide is the —S—S— group. (h, Conversion of a thiol to a disulfide is a reduction reaction.arrow_forward
- 14-21 Show hydrogen bonding between the oxygen of di ethyl ether and a hydrogen of water.arrow_forward16-28 Following is the structural formula of metformin, the hydrochloride salt of which is marketed as the antidiabetic medication Glucophage. Metformin was introduced into clinical practice in the United States in 1995 for the treatment of type 2 diabetes. More than 25 million prescriptions for this drug were written in 2000, making it the most commonly prescribed brand-name diabetes medication in the nation. NH NH H3(\ 3 N N Nh2ch3 h Metformin Complete the Lewis structure for metformin, showing all valence electrons. Which nitrogen is the most likely site of protonation? Draw the structural formula of Glucophage.arrow_forward13-33 Following is the structural formula of albuterol (Proventil), one of the most widely used inhalation bronchodilators. HO Z Name the functional groups present in albuterol Draw a structural formula for the product formed when albuterol is treated with one equivalent of aqueous sodium hydroxide. Draw a structural formula for the product formed when albuterol is treated with one equivalent of hydrochloric acid.arrow_forward
- 14-57 (Chemical Connections 14E) What are the advantages and disadvantages of using diethyl ether as an anesthetic?arrow_forward14-74 Following is a structural formula for the amino acid cysteine: O II HS—CH — CH—C —OH I nh2 Name the three functional groups in cysteine. In the human body, cysteine is oxidized to cystine, a disulfide. Draw a structural formula for cystine.arrow_forward14-52 (Chemical Connections 14B) What was Alfred Nobel’s discovery that made nitroglycerin safer to handle?arrow_forward
- 14-66 1,4-Butanediol, hexane, and 1-pentanol have similar molecular weights. Their boiling points, arranged from lowest to highest, are 69°C, 138°C, and 230°C. Which compound has which boiling point?arrow_forward16-58 Following is a structural formula of desosamine, a sugar component of several macrolide antibiotics, including the erythromycins. The configuration shown here is that of the natural product. Erythromycin is produced by a strain of Streptomyces erythreus originally found in a soil sample from the Philippine Archipelago. ch3 T Desosamine Name all the functional groups in desosamine. (Chapter 10) How many stereocenters are present in desosamine? How many stereoisomers are possible for it? How many pairs of enantiomers are possible for it? Draw the alternative chair conformations for desosamine and label which groups are equatorial and which are axial. (d > Which of the alternative chair conformations for desosamine is more stable?arrow_forward14-60 Write a balanced equation for the complete combustion of ethanol, the alcohol blended with gasoline to produce E85.arrow_forward
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