Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 23, Problem 23.66P
Synthesize (Z)-hept-5-en-2-one from ethyl acetoacetate
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Synthesize the product from the given material. Give the reagents necessary and draw out any intermediate products along the way.
Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l). The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 8.50 gof butanoic acid and excess ethanol? Express your answer in grams to three significant figures.
Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+):
CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)
a) Given 7.70 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?
b) A chemist ran the reaction and obtained 5.25 g of ethyl butyrate. What was the percent yield?
c) The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.70 g of butanoic acid and excess ethanol?
Chapter 23 Solutions
Organic Chemistry
Ch. 23 - Problem 23.1 Draw the enol or keto tautomer(s) of...Ch. 23 - Prob. 23.2PCh. 23 - Problem 23.3 When phenylacetaldehyde is dissolved...Ch. 23 - Prob. 23.4PCh. 23 - Problem 23.5 Which bonds in the following...Ch. 23 - Prob. 23.6PCh. 23 - Prob. 23.7PCh. 23 - Prob. 23.8PCh. 23 - Prob. 23.9PCh. 23 - Prob. 23.10P
Ch. 23 - Problem 23.11 Draw the products of each...Ch. 23 - Problem 23.12 Draw the products of each reaction....Ch. 23 - Prob. 23.13PCh. 23 - Prob. 23.14PCh. 23 - Prob. 23.15PCh. 23 - Prob. 23.16PCh. 23 - Prob. 23.17PCh. 23 - Problem 23.18 How can pentan-2-one be converted...Ch. 23 - Problem 23.19 Identify A, B, and C, intermediates...Ch. 23 - Problem 23.20 Which of the following compounds...Ch. 23 - Problem 23.21 Draw the products of each...Ch. 23 - Prob. 23.22PCh. 23 - Prob. 23.23PCh. 23 - Prob. 23.24PCh. 23 - Prob. 23.25PCh. 23 - Prob. 23.26PCh. 23 - Prob. 23.27PCh. 23 - Prob. 23.28PCh. 23 - 23.29 Draw enol tautomer(s) for each compound....Ch. 23 - 22.30 The cis ketone A is isomerized to a trans...Ch. 23 - 23.31 Draw enol tautomer(s) for each compound.
...Ch. 23 - Prob. 23.32PCh. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - 23.35 Rank the labeled protons in each compound in...Ch. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - 23.38 Acyclovir is an effective antiviral agent...Ch. 23 - 23.39 Explain why forms two different alkylation...Ch. 23 - Prob. 23.40PCh. 23 - 23.41 Acid-catalyzed bromination of pentanone ...Ch. 23 - 23.42 Draw a stepwise mechanism for the following...Ch. 23 - Prob. 23.43PCh. 23 - Prob. 23.44PCh. 23 - 23.45 Devise a synthesis of valproic acid , a...Ch. 23 - 23.46 Synthesize each compound from diethyl...Ch. 23 - Prob. 23.47PCh. 23 - Prob. 23.48PCh. 23 - Prob. 23.49PCh. 23 - 23.50 Draw the organic products formed in each...Ch. 23 - 23.51 Draw the products formed (including...Ch. 23 - Prob. 23.52PCh. 23 - Prob. 23.53PCh. 23 - 23.54 Clopidogrel is the generic name for Plavix,...Ch. 23 - 23.55 What reaction conditions—base, solvent, and...Ch. 23 - Prob. 23.56PCh. 23 - 23.57 Draw a stepwise mechanism showing how two...Ch. 23 - 23.58 Draw a stepwise mechanism for the following...Ch. 23 - Prob. 23.59PCh. 23 - 23.60 Draw stepwise mechanisms illustrating how...Ch. 23 - Prob. 23.61PCh. 23 - Prob. 23.62PCh. 23 - 23.63 Synthesize each compound from cyclohexanone...Ch. 23 - Prob. 23.64PCh. 23 - Prob. 23.65PCh. 23 - 23.66 Synthesize (Z)-hept-5-en-2-one from ethyl...Ch. 23 - Prob. 23.67PCh. 23 - 23.68 Capsaicin, the spicy component of hot...Ch. 23 - 23.69 Treatment of W with , followed by , affords...Ch. 23 - Prob. 23.70PCh. 23 - Prob. 23.71PCh. 23 - Prob. 23.72PCh. 23 - Prob. 23.73PCh. 23 - Prob. 23.74P
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- Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l) Given 8.50 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100%yield? Express your answer in grams to three significant figures.arrow_forwardDraw the products formed when p-methylaniline (p-CH3C6H4NH2) istreated with following reagent. CH3COCl, AlCl3arrow_forwardDescribe how 3-methyl-1-phenyl-3-pentanol can be prepared from benzene. You can use any inorganic reagents and solvents, and any organic reagents provided they contain no more than two carbons.arrow_forward
- Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.arrow_forwardWhat reaction conditions are needed to convert (R)-2-ethyl-2- methyloxirane to (R)-2-methylbutane-1,2-diol ?arrow_forwardDevise a synthesis of CH3CH2C≡CCH2CH2CH3 using CH3CH2CH=CH2 as the starting material. You may use any other organic compounds or inorganic reagents.arrow_forward
- A synthetic organic molecule, G, which contains both aldehyde and ether functional groups, is subjected to a series of reactions in a multi-step synthesis pathway. In the first step, G undergoes a Wittig reaction, leading to the formation of an alkene, H. Subsequently, H is treated with an ozone (O3) reagent followed by a reducing agent in an ozonolysis reaction, resulting in the formation of two different products, I and J. Considering the functional groups present in G and the nature of the reactions involved, what are the most probable structures or functional groups present in products I and J? A. I contains a carboxylic acid group, and J contains an aldehyde group. B. I contains a ketone group, and J contains an alcohol group. C. I and J both contain aldehyde groups. D. I contains an ester group, and J contains a ketone group. Don't use chat gpt.arrow_forward4. Synthesize the following compound. You may use benzene, acetylene, ethanol and any inorganic reagents. O₂Narrow_forwardProvide the major organic product of the following reaction. but-1-yne 1) Sia₂BH 2) H₂O₂, OH What is it called when an enol converts to a keto? A) Keto-enol isomerism B) Keto-enol tater tot-ism C) Keto-enol conversion D) Keto-enol tautomerismarrow_forward
- Draw the tautomer of this enol. Include all lone pairs. Ignore inorganic byproducts. :OH: :0: H3O+ Draw Tautomerarrow_forwardDraw the product formed when CH3CH2C=CH is treated with each of the following sets of reagents: (a) H2O, H2SO4, HgSO4; and (b) R2BH, followed by H2O2, HO−.arrow_forwardEthyl butyrate, CH3CH2CH2CO2CH2CH3CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring. It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)CH3CH2CH2CO2H(l)+CH2CH3OH(l)⟶H+CH3CH2CH2CO2CH2CH3(l)+H2O(l) A chemist ran the reaction and obtained 5.40 g of ethyl butyrate. What was the percent yield, The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.45g of butanoic acid and excess ethanol?arrow_forward
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