EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
12th Edition
ISBN: 9781337915984
Author: Bettelheim
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 6P
17-14 Following are structural formulas for two steroid hormones.
(a) Name the functional groups in each.
(b) Mark all stereocenters in each hormone and state how many stereoisomers are possible for each.
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(a) Draw the structure of an estrogen and an androgen. (b) What structural features are similar in the two steroids? (c) What structural features are different? (d) Describe the biological activity of each steroid.
(a) What is the difference between the hormones progesterone and testosterone?
(b) Draw the structure of a a steroid nucleus.
(c) Give the products obtained from complete base hydrolysis in the following reaction:
O
||
CH,−O−C−(CH2)14–CH3
O
CH–0–C−(CH2)14—CH3 + 3 NaOH
O
CH,−0–C−(CH2)14–CH3
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MReview Consta
Look at the structures of the two male sex hormones shown below.
OH
H,C
H,C
Part A
H3C
H3C
Part B
HO
Testosterone
Androsterone
To which class of chemical reactions does this change belong?
O These reactions are polymerization.
O These reactions are dehydration.
O These reactions are oxidations and reductions.
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Chapter 16 Solutions
EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
Ch. 16.2 - Problem 17-1 Wrtie the IUPAC name for each...Ch. 16.2 - Prob. 16.2QCCh. 16.2 - Prob. 16.3QCCh. 16.4 - Prob. 16.4QCCh. 16.4 - Prob. 16.5QCCh. 16.4 - Problem 17-6 Show the reaction of benzaldehyde...Ch. 16.4 - Problem 17-7 Identify all hemiacetals and acetals...Ch. 16.5 - Prob. 16.8QCCh. 16 - 17-9 Answer true or false. (a) The one aldehyde...Ch. 16 - Prob. 2P
Ch. 16 - 17-11 What is the difference in structure between...Ch. 16 - 17-12 Is it possible for the carbon atom of a...Ch. 16 - 17-13 Which compounds contain carbonyl groups?Ch. 16 - 17-14 Following are structural formulas for two...Ch. 16 - 17-15 Draw structural formulas for the four...Ch. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - 17-18 Draw structural formulas for these ketones....Ch. 16 - 17-19 Write the JUPAC names for these compounds.Ch. 16 - Prob. 12PCh. 16 - 17-2 1 Explain why each name is incorrect. Write...Ch. 16 - Prob. 14PCh. 16 - Prob. 15PCh. 16 - 17-24 In each pair of compounds, select the one...Ch. 16 - Prob. 17PCh. 16 - 17-26 Account for the fact that acetone has a...Ch. 16 - 17-27 Pentane, 1-butanol, and butanal all have...Ch. 16 - 17-28 Show how acetaldehyde can form hydrogen...Ch. 16 - 17-29 Why can’t two molecules of acetone form a...Ch. 16 - 17-30 Answer true or false. (a) The reduction of...Ch. 16 - 17-3 1 Draw a structural formula for the principal...Ch. 16 - Prob. 24PCh. 16 - 17-33 What simple chemical test could you use to...Ch. 16 - 17-34 Explain why liquid aldehydes are often...Ch. 16 - 17-35 Suppose that you take a bottle of...Ch. 16 - 17-36 Explain why the reduction of an aldehyde...Ch. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - Prob. 32PCh. 16 - Prob. 33PCh. 16 - Prob. 34PCh. 16 - Prob. 35PCh. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - Prob. 38PCh. 16 - 17-47 What is the characteristic structural...Ch. 16 - Prob. 40PCh. 16 - Prob. 41PCh. 16 - Prob. 42PCh. 16 - Prob. 43PCh. 16 - Prob. 44PCh. 16 - Prob. 45PCh. 16 - 17-54 Following is the structure of...Ch. 16 - Prob. 47PCh. 16 - Prob. 48PCh. 16 - Prob. 49PCh. 16 - Prob. 50PCh. 16 - Prob. 51PCh. 16 - 17-60 1-Propanol can be prepared by the reduction...Ch. 16 - Prob. 53PCh. 16 - 17-62 Show how to bring about these conversions....Ch. 16 - Prob. 55PCh. 16 - Prob. 56PCh. 16 - Prob. 57PCh. 16 - Prob. 58PCh. 16 - 17-67 Draw structural formulas for these...Ch. 16 - Prob. 60PCh. 16 - 17-69 Propanal (bp 49°C) and 1-propanol (bp 97°C)...Ch. 16 - 17-70 What simple chemical test could you use to...Ch. 16 - Prob. 63PCh. 16 - Prob. 64PCh. 16 - Prob. 65PCh. 16 - 17-72 The following molecule is an enediol; each...Ch. 16 - 17-73 Alcohols can be prepared by the...Ch. 16 - 17-74 Glucose, C6H12O6, contains an aldehyde group...Ch. 16 - Prob. 69PCh. 16 - Prob. 70PCh. 16 - Prob. 71PCh. 16 - 17-78 Complete the following equation for these...Ch. 16 - 17-79 Write an equation for each conversion. (a)...Ch. 16 - Prob. 74P
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- 17-74 Glucose, C6H12O6, contains an aldehyde group but exists predominantly in the form of the cyclic hemiacetal shown here. We will discuss this cyclic form of glucose in Chapter 20. A cyclic hemiacetal is formed when the —OH group of one carbon bonds to the carbonyl group of another carbon. (a) Which carbon in glucose provides the —OH group and which provides the —CHO group? (b) Draw the alternative chair confirmations of D-glucose and state which of the two is the more stable.arrow_forward13-27 Define autoxidation.arrow_forward16-54 Several poisonous plants, including Atropa belladonna, contain the alkaloid atropine. The name “belladonna” (which means “beautiful lady”) probably comes from the fact that Roman women used extracts from this plant to make themselves more attractive. Atropine is widely used by ophthal mologists and optometrists to dilate the pupils for eye examination. Classify the amino group in atropine as primary, secondary, or tertiary. Locate all stereocenters in atropine. Account for the fact that atropine is almost insoluble in water (1 g in 455 mL of cold water) but atropine hydrogen sulfate is very soluble (1 g in 5 mL of cold water). Account for the fact that a dilute aqueous solution of atropine is basic (pH approximately 10.0).arrow_forward
- 16-28 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_forward1 Hyaluronic acid acts as a lubricant in the synovial fluid of joints. In rheumatoid arthritis, inflammation breaks hyaluronic acid down to smaller molecules. Under these conditions, what happens to the lubricating power of the synovial fluid?arrow_forward17-78 Complete the following equation for these reactions.arrow_forward
- For each of the following statements, indicate whether they are true or false and, in the second case, correct them appropriately: a) In biological systems, copper is often found in the form of blue proteins, so called because they absorb light from 450 to 500 nm b) Aldehyde oxide reductase is a copper enzyme that oxidizes aldehydes to carboxylic acids c) The only metal that carries oxygen transport in living beings is iron d) Superoxide dismutase catalyzes the decomposition of the anion superoxide in water and hydrogen peroxide e) Holochromodulin is activated when insulin levels decrease, binding to its receptors. f) Ferredoxins are metalloproteins present in the liver of all animals, whose purpose is to store ironarrow_forwardCertain omega-3 fatty acids can be found only in animal sources, such as fatty fish. Two of these are eicosapentaenoic acid (EPA) [20:5] and docosahexaenoic acid (DHA) [22:6], both of which are ω-3 fatty acids. DHA has been shown to be important in healthy brain development, so it has recently been added to infant formulas. Breast milk is rich in DHA as long as the mother maintains a healthy diet that includes fish. Draw skeletal structures of the fatty acids EPA and DHA.arrow_forwardDraw structures corresponding to these names:(a) 4-Methylpentanamide (b) N-Ethyl-N-methylpropanamidearrow_forward
- Define the following:(i) Anionic detergents(ii) Limited spectrum antibiotics(iii) Tranquilizersarrow_forward(a) Draw the structures for the eight constitutional isomers of molecular formula C 4H 11N. (b) Give the systematic name for each amine. (c) Identify the chirality center present in one of the amines.arrow_forwardIndicate whether each statement is true or false: (a) Fat molecules contain amide bonds. (b) Phosphoplipids can be zwitterions. (c) Phospholipids form bilayers in water in order to have their long hydrophobic tails interact favorably with each other, leaving their polar heads to the aqueous environment.arrow_forward
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