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Some reagents can reduce esters to alcohols. What would the product lock if the MaBH_4 reduced...
2. If one were esterifying an expensive alcohol with an expensive carboxylic acid derivative, would it...
2. If one were esterifying an expensive alcohol with an expensive carboxylic acid derivative, would it be wiser to use the acid chloride or acid anhydride reagent? Why? 3. Why is so much NaOH used in the extraction? Recall that only four drops (small amount) of sulfuric acid were used as a catalyst. Esters are an important class of organic molecules, which are formally derived from alcohols and carboxylic acids. Esters occur widely in nature and are often an important...
Can you help me identify reagent (i), Compound 8 and Compound 12 in the reaction scheme?...
Can you help me identify reagent (i), Compound 8 and
Compound 12 in the reaction scheme?
You have laboratory data on all the compounds in the
synthesis, however the amount of data available to you varies. Some
have the entirety of the spectral data, others have as little as
the elemental analysis. Use the laboratory data to help you
discover which reaction has been performed.
The lab data for Compound 8 and 12 is as
follows:
You can use any...
What would happen if the product mixture was washed with aqueous sodium bicarbonate before being washed...
What would happen if the product mixture was washed with aqueous sodium bicarbonate before being washed with water? Could the product still be isolated? Explain your answer. Draw the alcohol and carboxylic acid needed to synthesize the ester below. Place an arrow next to the oxygen in the carboxylic acid or alcohol that corresponds to the oxygen indicated by the arrow in the ester below. Given the following reagents, dichloromethane, water, acetone, 10% aqueous HCI, 10% aqueous NaHCO_3 and anhydrous...
please answer all :) 250 Chapter 9 Chapter 9 Practice Test Which of the following reagents...
please answer all :)
250 Chapter 9 Chapter 9 Practice Test Which of the following reagents is the best one to use in order to wing reagents is the best one to use in order to convert methyl alcohol into methy bromide? 2. Br HBr Br NaBr Br* a. what would be the major product obtained from the reaction of the epoxide shown below containing 0.1 M HCI? CH2CH; CH CH3 b. What would be the major product obtained from...
please help The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing...
please help
The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing an alkene and water. During the reaction, the hydroxyl group of the alcohol and a hydrogen atom from an adjacent carbon atom are lost. The reaction takes place in three steps, as shown in the diagram. (Figure 1) In the first step, a hydrogen lon bonds to the hydroxyl group of the alcohol. In the second step, the protonated hydroxl group leaves the compound,...
Experiment #6 Ester Synthesis PRE-LAB ASSIGNMENT This pre-lab assignment is worth 5 points for this Experiment...
Experiment #6 Ester Synthesis PRE-LAB ASSIGNMENT This pre-lab assignment is worth 5 points for this Experiment and should be completed on a separate page and turned in at the beginning of lab. 1. Read the experiment carefully 2. Safety Considerations: Summarize O safety and health hazards for working with glacial acetic acid, butanoic acid and petroleum ether. 3. Procedure: Summarize the procedure using a bullet list. Assume you are summarizing the procedure to a fully qualified chemist, i.e. don't include...
Which best explains why an acetal can be used as a protecting group for carbonyls during...
Which best explains why an acetal can be used as a protecting group for carbonyls during a Grignard readion (A) The acetal is stable in acid. (B) The acetal prevents reaction of the carbonyl with a strong nucleophile. (C) The reaction is reversible and the acid helps to generate more product (D) To increase the electrophilic nature of the ketone since the Grignard is a weak nucleophile 0909 Select the reagents needed for the synthesis of pentyl butanoate by Fischer...
PRE-LAB QUIZ for EXPERIMENT 27 Name 1. In Experiment 27, a modified Perkin reaction is performed....
PRE-LAB QUIZ for EXPERIMENT 27 Name 1. In Experiment 27, a modified Perkin reaction is performed. The Perkin reaction is a carbonyl condensation reaction that is related to the Claisen condensation and aldol condensation. In this experiment, the reactants are benzaldehyde and 3-benzoylpropionic acid with sodium acetate and acetic anhydride as catalysts. Draw the structures of these compounds in the space below. benzaldehyde 3-benzoylpropionic acid acetic anhydride 2. The first step of the reaction is the formation of the mixed...
Can someone please help me interpret the IR spectra of the reaction between isoamyl alcohol via...
Can
someone please help me interpret the IR spectra of the reaction
between isoamyl alcohol via Fischer esterification.
esta product 125 120 115 110 105 100 95 90 85 55 50 45 40 35 30 20 15 500 1000 2500 2000 1500 3000 3500 4000 Wavenumbers (cm-1) %Transmittance 8 R2 % 8 2958.38 2872.32 1739.58 1654.60 1648.01 1560.10 1541.78 1466.31 1508.05 1387.76 1366.35 1227 89 1171.12 1055.35 60196 818.27 2 General Reaction: R'-OH он H,0 H, heat OR Reaction Mechanism:...
Que. 24) What is the major organic product obtained from the following reaction? OH = ON...
Que. 24) What is the major organic product obtained from the following reaction? OH = ON Ph OH WN - d. 4 Que. 25) What is the best choice of reagent(s) to perform the following transformation? Reagents OH OCH a. CH3OH, H2SO4 b. CH31, H2SO4 C. NaOCH3 d. CH3Li Que. 26) What is the best choice of reagent(s) to perform the following transformation? OH он a. 1. LiAIH4; 2. H30+ b. H₂, Pt c. 1. NaBH4; 2. H2O d. NaH...
2. If one were esterifying an expensive alcohol with an expensive carboxylic acid derivative, would it be wiser to use the acid chloride or acid anhydride reagent? Why? 3. Why is so much NaOH used in the extraction? Recall that only four drops (small amount) of sulfuric acid were used as a catalyst. Esters are an important class of organic molecules, which are formally derived from alcohols and carboxylic acids. Esters occur widely in nature and are often an important...
Can you help me identify reagent (i), Compound 8 and
Compound 12 in the reaction scheme?
You have laboratory data on all the compounds in the
synthesis, however the amount of data available to you varies. Some
have the entirety of the spectral data, others have as little as
the elemental analysis. Use the laboratory data to help you
discover which reaction has been performed.
The lab data for Compound 8 and 12 is as
follows:
You can use any...
What would happen if the product mixture was washed with aqueous sodium bicarbonate before being washed with water? Could the product still be isolated? Explain your answer. Draw the alcohol and carboxylic acid needed to synthesize the ester below. Place an arrow next to the oxygen in the carboxylic acid or alcohol that corresponds to the oxygen indicated by the arrow in the ester below. Given the following reagents, dichloromethane, water, acetone, 10% aqueous HCI, 10% aqueous NaHCO_3 and anhydrous...
please answer all :)
250 Chapter 9 Chapter 9 Practice Test Which of the following reagents is the best one to use in order to wing reagents is the best one to use in order to convert methyl alcohol into methy bromide? 2. Br HBr Br NaBr Br* a. what would be the major product obtained from the reaction of the epoxide shown below containing 0.1 M HCI? CH2CH; CH CH3 b. What would be the major product obtained from...
please help
The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing an alkene and water. During the reaction, the hydroxyl group of the alcohol and a hydrogen atom from an adjacent carbon atom are lost. The reaction takes place in three steps, as shown in the diagram. (Figure 1) In the first step, a hydrogen lon bonds to the hydroxyl group of the alcohol. In the second step, the protonated hydroxl group leaves the compound,...
Experiment #6 Ester Synthesis PRE-LAB ASSIGNMENT This pre-lab assignment is worth 5 points for this Experiment and should be completed on a separate page and turned in at the beginning of lab. 1. Read the experiment carefully 2. Safety Considerations: Summarize O safety and health hazards for working with glacial acetic acid, butanoic acid and petroleum ether. 3. Procedure: Summarize the procedure using a bullet list. Assume you are summarizing the procedure to a fully qualified chemist, i.e. don't include...
Which best explains why an acetal can be used as a protecting group for carbonyls during a Grignard readion (A) The acetal is stable in acid. (B) The acetal prevents reaction of the carbonyl with a strong nucleophile. (C) The reaction is reversible and the acid helps to generate more product (D) To increase the electrophilic nature of the ketone since the Grignard is a weak nucleophile 0909 Select the reagents needed for the synthesis of pentyl butanoate by Fischer...
PRE-LAB QUIZ for EXPERIMENT 27 Name 1. In Experiment 27, a modified Perkin reaction is performed. The Perkin reaction is a carbonyl condensation reaction that is related to the Claisen condensation and aldol condensation. In this experiment, the reactants are benzaldehyde and 3-benzoylpropionic acid with sodium acetate and acetic anhydride as catalysts. Draw the structures of these compounds in the space below. benzaldehyde 3-benzoylpropionic acid acetic anhydride 2. The first step of the reaction is the formation of the mixed...
Can
someone please help me interpret the IR spectra of the reaction
between isoamyl alcohol via Fischer esterification.
esta product 125 120 115 110 105 100 95 90 85 55 50 45 40 35 30 20 15 500 1000 2500 2000 1500 3000 3500 4000 Wavenumbers (cm-1) %Transmittance 8 R2 % 8 2958.38 2872.32 1739.58 1654.60 1648.01 1560.10 1541.78 1466.31 1508.05 1387.76 1366.35 1227 89 1171.12 1055.35 60196 818.27 2 General Reaction: R'-OH он H,0 H, heat OR Reaction Mechanism:...
Que. 24) What is the major organic product obtained from the following reaction? OH = ON Ph OH WN - d. 4 Que. 25) What is the best choice of reagent(s) to perform the following transformation? Reagents OH OCH a. CH3OH, H2SO4 b. CH31, H2SO4 C. NaOCH3 d. CH3Li Que. 26) What is the best choice of reagent(s) to perform the following transformation? OH он a. 1. LiAIH4; 2. H30+ b. H₂, Pt c. 1. NaBH4; 2. H2O d. NaH...
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