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2. Acid hydrolysis of amides one of the most used methods in the synthetic transformation of amides to carboxylic acids...
Acid hydrolysis of amides one of the most used methods in the synthetic transformation of amides to carboxylic acids...
Acid hydrolysis of amides one of the most used methods in the synthetic transformation of amides to carboxylic acids. Provide a stepwise mechanism of the transformation below H20, Ht NH2 OH
those I choose is wrong please help Amides are formed from the reaction of carboxylic acids...
those I choose is wrong please help
Amides are formed from the reaction of carboxylic acids with 1° amines carboxylic acids with 2 amines carboxylic acids with 3 amines Only A and B All of the above What are the hydrolysis products of N-methylpropanamide? propanoic acid and methylamine propanoic acid, methylamine, and water propanoic acid and ammonia
The reactivity sequence of carboxylic acid derivatives (acyl halides, anhydrides, acids, esters, amides) changes with t...
The reactivity sequence of carboxylic acid derivatives (acyl halides, anhydrides, acids, esters, amides) changes with the substituent. Acyl chlorides are most reactive, amides are least reactive. 1) Explain in detail why the reactivity changes in that sequence, 2) Where do carboxylates fit in that sequence and why? How does that impact on the way carboxylic acid reactions need to run? 3) Where do thioesters, RC(-O)SMe and acyl phosphates, RC(-O)OPO2OR fit in that sequence. Explain your decision
The reactivity sequence of...
In each case below select the synthetic procedure that could be used to carry out the transformat...
In each case below select the synthetic procedure that could be
used to carry out the transformation shown.
The procedures are:
Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic
acid; then H3O+.
OsO4oxidation: alkene + OsO4; then
NaHSO3
In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H30t. Os04 oxidation: alkene +OsO4; then NaHSO3 H2C CH2 он он epoxidation/hydrolysis Os04 oxidation both methods но он C(CH32...
In each case below select the synthetic procedure that could be used to carry out the...
In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are: Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H20* OsO4 oxidation: alkene + OsO4; then NaHSO, CH2OH Сн,он IOH OH CH2OH epoxidation/hy Strolysis OsO4 oxidation both methods neither method HÓ CH OH In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are: Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H307. OsOoxidation:...
1. LiAIHA 2. H2O H3C NH2 H3C NH2 Amides are reduced to amines by treatment with...
1. LiAIHA 2. H2O H3C NH2 H3C NH2 Amides are reduced to amines by treatment with LiAlH4. Two additions of hydride are required. The carbonyl oxygen atom is lost in complex with the aluminum. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions no XT ... AH, NH2 H3C7NH, 30-AIHz H3C 7 H20+ Ho, H. NH, NH3 HAC NHA H3C OH Amides can be hydrolyzed to yield carboxylic acids. The conditions are...
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem....
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem. 1. Which of the following tertiary alcohols cannot be prepared using the reaction of an ester with excess (2 equivalents) Grignard reagent? . Which of the following esters undergoes hydrolysis in basic conditions (saponification) most readily? . Which compound will be essentially unreactive with excess 1-butanol in acid-catalyzed conditions (upon moderate heating if required)? . Which of the following is the best method for...
In each case below select the synthetic procedure that could be used to carry out the transformation shown.
In each case below select the synthetic procedure that could be used to carry out the transformation shown.The procedures are: Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H3O+ OsO4 oxidation: alkene+ OsO4, then NaHSO3
1. Provide a multiple step synthesis for the transformation shown below. 2. Identify the carboxylic acid...
1. Provide a multiple step synthesis for the transformation
shown below.
2. Identify the carboxylic acid and alcohol needed to make the
ester shown below.
3. Propose a mechanism for the reaction shown below.
4. Show all the important resonance structures for the anion
shown below. Include arrows that show how to reach each form.
Indicate which resonance structure makes the greatest
contribution to the resonance hybrid and which resonance structure
makes the least contribution to the resonance
hybrid.
1....
Questions 12-20 are true and false! (12) Hydrolysis of nitriles is a method to synthesize carboxylic...
Questions 12-20 are true and false!
(12) Hydrolysis of nitriles is a method to synthesize carboxylic acid. (13) The order of reactivity of carboxylic acid derivatives is as follow: Acyl chloride > Acid anhydride > Ester > Amide. (14) SOCI2, PC13 and PCls are three types of special reagents to convert carboxylic acid to acyl chloride (15) Acyl chlorides are the most reactive common acyl derivatives, and can be used to synthesize anhydride, ester, and amide. (16) Acyl chloride is...
Acid hydrolysis of amides one of the most used methods in the synthetic transformation of amides to carboxylic acids. Provide a stepwise mechanism of the transformation below H20, Ht NH2 OH
those I choose is wrong please help
Amides are formed from the reaction of carboxylic acids with 1° amines carboxylic acids with 2 amines carboxylic acids with 3 amines Only A and B All of the above What are the hydrolysis products of N-methylpropanamide? propanoic acid and methylamine propanoic acid, methylamine, and water propanoic acid and ammonia
The reactivity sequence of carboxylic acid derivatives (acyl halides, anhydrides, acids, esters, amides) changes with the substituent. Acyl chlorides are most reactive, amides are least reactive. 1) Explain in detail why the reactivity changes in that sequence, 2) Where do carboxylates fit in that sequence and why? How does that impact on the way carboxylic acid reactions need to run? 3) Where do thioesters, RC(-O)SMe and acyl phosphates, RC(-O)OPO2OR fit in that sequence. Explain your decision
The reactivity sequence of...
In each case below select the synthetic procedure that could be
used to carry out the transformation shown.
The procedures are:
Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic
acid; then H3O+.
OsO4oxidation: alkene + OsO4; then
NaHSO3
In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H30t. Os04 oxidation: alkene +OsO4; then NaHSO3 H2C CH2 он он epoxidation/hydrolysis Os04 oxidation both methods но он C(CH32...
In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are: Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H20* OsO4 oxidation: alkene + OsO4; then NaHSO, CH2OH Сн,он IOH OH CH2OH epoxidation/hy Strolysis OsO4 oxidation both methods neither method HÓ CH OH In each case below select the synthetic procedure that could be used to carry out the transformation shown. The procedures are: Epoxidation/hydrolysis: alkene + meta-chloroperoxybenzoic acid; then H307. OsOoxidation:...
1. LiAIHA 2. H2O H3C NH2 H3C NH2 Amides are reduced to amines by treatment with LiAlH4. Two additions of hydride are required. The carbonyl oxygen atom is lost in complex with the aluminum. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions no XT ... AH, NH2 H3C7NH, 30-AIHz H3C 7 H20+ Ho, H. NH, NH3 HAC NHA H3C OH Amides can be hydrolyzed to yield carboxylic acids. The conditions are...
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem. 1. Which of the following tertiary alcohols cannot be prepared using the reaction of an ester with excess (2 equivalents) Grignard reagent? . Which of the following esters undergoes hydrolysis in basic conditions (saponification) most readily? . Which compound will be essentially unreactive with excess 1-butanol in acid-catalyzed conditions (upon moderate heating if required)? . Which of the following is the best method for...
1. Provide a multiple step synthesis for the transformation
shown below.
2. Identify the carboxylic acid and alcohol needed to make the
ester shown below.
3. Propose a mechanism for the reaction shown below.
4. Show all the important resonance structures for the anion
shown below. Include arrows that show how to reach each form.
Indicate which resonance structure makes the greatest
contribution to the resonance hybrid and which resonance structure
makes the least contribution to the resonance
hybrid.
1....
Questions 12-20 are true and false!
(12) Hydrolysis of nitriles is a method to synthesize carboxylic acid. (13) The order of reactivity of carboxylic acid derivatives is as follow: Acyl chloride > Acid anhydride > Ester > Amide. (14) SOCI2, PC13 and PCls are three types of special reagents to convert carboxylic acid to acyl chloride (15) Acyl chlorides are the most reactive common acyl derivatives, and can be used to synthesize anhydride, ester, and amide. (16) Acyl chloride is...
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