Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 80P
When a compound with molecular formula C11H14O2 undergoes acid-catalyzed hydrolysis, one of the products that is isolated gives the following 1H NMR spectrum. Identify the compound.
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Compound A undergoes an acid-catalyzed hydrolysis. One of the products (B) that is isolated gives the following 1H NMR spectrum. Identify the compounds A and C
Compound X (molecular formula C10H12O) was treated with NH2NH2,−OH to yield compound Y (molecular formula C10H14). Based on the 1H NMR spectra of X and Y given below, what are the structures of X and Y?
When compound A (C5H12O) is treated with HBr, it forms compound B (C5H11Br). The 1H NMR spectrum of compound A has a 1H singlet, a 3H doublet, a 6H doublet, and two 1H multiplets. The 1H NMR spectrum of compound B has a 6H singlet, a 3H triplet, and a 2H quartet. Identify compounds A and B.
Chapter 15 Solutions
Organic Chemistry (8th Edition)
Ch. 15.1 - The aromas of many flowers and fruits are due to...Ch. 15.1 - Name the following:Ch. 15.1 - Prob. 3PCh. 15.2 - Which is longer, the carbon-oxygen single bond in...Ch. 15.2 - There are three carbon-oxygen bonds in methyl...Ch. 15.2 - Prob. 6PCh. 15.4 - a. What is the product of the reaction of acetyl...Ch. 15.4 - What is the product of an acyl substitution...Ch. 15.5 - a. Which compound has the stretching vibration for...Ch. 15.5 - Using the pKa values listed in Table 15.1, predict...
Ch. 15.5 - Is the following statement true or false? If the...Ch. 15.6 - Starting with acetyl chloride, what neutral...Ch. 15.6 - Prob. 13PCh. 15.7 - Starting with methyl acetate, what neutral...Ch. 15.7 - We saw that it is necessary to use excess amine in...Ch. 15.7 - Prob. 17PCh. 15.7 - Which ester hydrolyzes more rapidly? a. methyl...Ch. 15.7 - a. state three factors that cause the uncatalyzed...Ch. 15.8 - Prob. 21PCh. 15.8 - Using the mechanism for the acid-catalyzed...Ch. 15.8 - Prob. 23PCh. 15.8 - Show the mechanism for the acid-catalyzed...Ch. 15.8 - Prob. 25PCh. 15.8 - Write the mechanism for the acid-catalyzed...Ch. 15.8 - Write the mechanism for the acid-catalyzed...Ch. 15.9 - Prob. 28PCh. 15.9 - Prob. 29PCh. 15.10 - Show how each of the following esters could he...Ch. 15.10 - Prob. 32PCh. 15.11 - Prob. 33PCh. 15.11 - Which of the following reactions leads to the...Ch. 15.12 - Prob. 35PCh. 15.12 - Prob. 36PCh. 15.13 - Prob. 37PCh. 15.14 - Prob. 38PCh. 15.14 - Prob. 39PCh. 15.15 - Prob. 40PCh. 15.15 - Which alkyl halides from the carboxylic acids...Ch. 15.16 - Prob. 43PCh. 15.16 - Prob. 44PCh. 15.16 - Prob. 45PCh. 15.17 - Prob. 46PCh. 15.18 - How could you synthesize the following compounds...Ch. 15 - Prob. 48PCh. 15 - Name the following:Ch. 15 - Prob. 50PCh. 15 - What compound are obtained from the fallowing...Ch. 15 - a. Rank the following esters in order of...Ch. 15 - Because bromocyclohexane is a secondary alkyl...Ch. 15 - a. Which compound would you expect to have a...Ch. 15 - How could you use 1H NMR spectroscopy to...Ch. 15 - Rank the following compounds in order of...Ch. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - Prob. 59PCh. 15 - A compound with molecular formula C5H10O2 gives...Ch. 15 - Prob. 61PCh. 15 - Prob. 62PCh. 15 - Prob. 63PCh. 15 - Prob. 64PCh. 15 - Prob. 65PCh. 15 - Prob. 66PCh. 15 - Two products, A and B, are obtained from the...Ch. 15 - Prob. 68PCh. 15 - Prob. 69PCh. 15 - Prob. 70PCh. 15 - Prob. 71PCh. 15 - Prob. 72PCh. 15 - When treated with an equivalent of methanol,...Ch. 15 - a. Identify the two products obtained from the...Ch. 15 - Prob. 75PCh. 15 - Prob. 76PCh. 15 - a. When a carboxylic acid is dissolved in...Ch. 15 - Prob. 78PCh. 15 - Identity the major and minor products of the...Ch. 15 - When a compound with molecular formula C11H14O2...Ch. 15 - Prob. 81PCh. 15 - Prob. 82PCh. 15 - Prob. 83PCh. 15 - The 1H NMR spectra for two esters with molecular...Ch. 15 - Show how the following compounds could be prepared...Ch. 15 - Prob. 86PCh. 15 - Prob. 87PCh. 15 - The intermediate shown here is formed during the...Ch. 15 - Prob. 89PCh. 15 - Propose a mechanism that accounts for the...Ch. 15 - Catalytic antibodies catalyze a reaction by...Ch. 15 - Prob. 92P
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- When compound A (C5H12O) is treated with HBr, it forms compound B (C5H11Br). The 1 H NMR spectrum of compound A has a 1H singlet, a 3H doublet, a 6H doublet, and two 1H multiplets. The 1 H NMR spectrum of compound B has a 6H singlet, a 3H triplet, and a 2H quartet. Identify compounds A and B.arrow_forwardCompound I (C11H14O2) is insoluble in water, aqueous acid, and aqueous NaHCO3, but dissolves readily in 10% Na2CO3 and 10% NaOH. When these alkaline solutions are acidified with 10% HCl, compound I is recovered unchanged. Given this information and its 1H-NMR spectrum, deduce the structure of compound I.arrow_forwardAldehydes and ketones react with thiols to yield thioacetals just as they react with alcohols to yield acetals. Predict the product of the following reaction, and propose a mechanism:arrow_forward
- Propose a structural formula for the analgesic phenacetin, molecular formula C10H13NO2, based on its 1H-NMR spectrum.arrow_forward16-17 Propylamine (bp 48°C), ethylmethylamine (bp 37°C), and trimethylamine (bp 3°C) are constitutional isomers with the molecular formula C3HgN. Account for the fact that trimethylamine has the lowest boiling point of the three and propylamine has the highest.arrow_forwardThe 1H-NMR spectrum of Compound C shows five signals – δ 2.38 (1H, dt), 2.72 (1H, dt), 5.34 (1H, t), 5.49 (2H, ddd), 6.27 (2H, dd) ppm. Its 13C-NMR spectrum has four signals – δ 26, 58, 127, 129 ppm. In the compound’s mass spectrum, the M+1 peak appears at m/z = 115. An M+2 peak, whose intensity is roughly one-third that of the M+1 peak, also appears. Suggest a structure for this compound.arrow_forward
- Phenacetin is an analgesic compound having molecular formula C10H13NO2. Once a common component in over-thecounter pain relievers such as APC (aspirin, phenacetin, caffeine), phenacetin is no longer used because of its liver toxicity. Deduce the structure of phenacetin from its 1H NMR and IR spectra.arrow_forwardAn unknown compound A has the molecular formula C4H8O2. Based on the following 1H NMR spectrum, what is the structure of compound A?arrow_forwardPhenacetin is an analgesic compound having molecular formula C10H13NO2. Once a common component in over-the-counter pain relievers such as APC (aspirin, phenacetin, caffeine), phenacetin is no longer used because of its liver toxicity. Deduce the structure of phenacetin from its 1H NMR and IR spectra.arrow_forward
- Compounds A and B are isomers having the molecular formula C4H8O3. Identify A and B on the basis of their 1H NMR spectra.Compound A: δ 1.3 (3H, triplet); 3.6 (2H, quartet); 4.1 (2H, singlet); 11.1 (1H, broad singlet)Compound B: δ 2.6 (2H, triplet); 3.4 (3H, singlet); 3.7 (2H triplet); 11.3 (1H, broad singlet)arrow_forwardCiprofloxacin is a member of the fluoroquinolone class of antibiotics.(a) Which of its rings are aromatic?(b) Which nitrogen atoms are basic?(c) Which protons would you expect to appear between d 6 and d 8 in the proton NMR spectrum?arrow_forwardWhen compound X (C15H17N) is treated with bezenesulfonyl chloride and aqueous potassium hydroxide, no apparent change occurs. Acidification of the mixture gives a clear solution. Propose a structure for X based on the given 1H NMR spectra. Explain your answer by interpreting the spectraarrow_forward
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