Two-step Synthesis: formation of methyl 3-nitrobenzoate What happens to the methyl group of 3-nitroacetophenone in the...
Two-step Synthesis: formation of methyl 3-nitrobenzoate
What happens to the methyl group of 3-nitroacetophenone in the haloform reaction?
A) it comes off as chloroform
B) nothing
C) it comes off as dichloromethane
Homework Answers
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Two-step Synthesis: formation of methyl 3-nitrobenzoate
What happens to the methyl group of 3-nitroacetophenone in the...
Two-step synthesis: formation of methyl 3-nitrobenzoate Why is it necessary to acidify the reaction mixture in...
Two-step synthesis: formation of methyl 3-nitrobenzoate Why is it necessary to acidify the reaction mixture in the work up of step one? A) the sodium carboxylate is formed at the end of the reaction B) acid purifies the product C) acid makes the product liquid
V. Explains why it is important to control the temperature in the synthesis of 3-nitrobenzoate. If...
V. Explains why it is important to control the temperature in the synthesis of 3-nitrobenzoate. If a secondary reaction happens, draw the structure of the product or products possible. VI. Write the equations involved in the mechanism of the main reaction. Draw the structures and arrows to show the movement of electrons. VII. A student obtained 7 grams of 3-nitrobenzoate corresponding to an 83% yield. How many grams of methyl benzoate reaction started? VIII. Write equations for the mononitration reaction of...
This question is for the Nitration of Methyl Benzoate, the final product is Methyl 3 nitrobenzoate...
This question is for the Nitration of Methyl Benzoate, the final
product is Methyl 3 nitrobenzoate but I dont know how to get the
byproduct produced during this reaction. Please use the expanded
structural formulas and show a mechansim on how that occurs and on
the right please provide a description of what is going on in that
step/mechanism, ie an Sn1 or E1, etc.
b. As stated in the Lab Manual for this experiment, a by-product is possibly produced...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a dicarbonyl compo NaOCH.CH opropyl pyridine, the 3 with ethyl formate in the 0 ethyl formate 3-methyl-2-butanone a) In the first step of the mechanism, sodiu alpha position to form an enolate. Complete the as necessary (4 points) step of the mechanism, sodium ethoxide deprotonates 3-methyl-2-buthone at the O form an enolate, Complete this reaction with curly arrows drawing in H atoms b) Why is...
help with 3 and 4 on from risic vent for the ons formed POSTLAB QUESTIONS 1....
help with 3 and 4
on from risic vent for the ons formed POSTLAB QUESTIONS 1. Sulfuric acid serves three functions in this action: 1) in the format dcia; 2) as the Lewis acid catalyst for electrophilic aromatic substituto reaction by dissolving the methul benzoate. Based on the procond explain why nitration occurs primarily at the meta position and no 2. What two techniques were used in this experiment to prevent dinica 3. What would be the structure of the...
The reaction sequence below has two steps: #1 Formation of carbomethoxyhydrazone from methyl hydrazinocarboxylate and acetophenone...
The reaction sequence below has two steps:
#1 Formation of carbomethoxyhydrazone from methyl
hydrazinocarboxylate and acetophenone
#2 Decomposition of this intermediate by treatment with
potassium hydroxide in triethyl glycol.
Propose a step by step mechanism from the starting material
leading up to the intermediate and from there, the final
product.
H₂N-N -ome EtoH/H2O Асон (Intermediate) itz A OM otsessor KOH (6ea) Triethyl glycol 140°C
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones...
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones from primary alkyl halides, lengthening the carbon chain by three atoms. Thus, the product can be visualized as being a "substituted acetone." The reaction consists of three steps: generation of the enolate anion followed by S2 reaction with a primary alkyl halide, ester hydrolysis under acid conditions, and decarboxylation. 1. NaOEt 2. H2O* 3. heat Br + - H₃C + CO2 + ETOH Hc...
Two students are given 3-oxobutanoic acid below and asked to prepare 2-methyl-3-oxobutanoic acid. The first student...
Two students are given 3-oxobutanoic acid below and asked to
prepare 2-methyl-3-oxobutanoic acid.
The first student recognizes this as the first step of the
acetoacetic ester synthesis. He treats the starting material with
sodium methoxide followed by methyl iodide. He isolates compound A,
but 1H NMR analysis shows this is not the desired material.
Elemental analysis shows it has the same molecular formula as the
2-methyl-3-oxobutanoic acid. What is compound A?
The second student recognizes an extra step is needed...
Part A In a seven-step synthesis, what is the yield of the target molecule if each...
Part A In a seven-step synthesis, what is the yield of the target molecule if each of the reactions employed gives an 80 % yield? Express your answer using two significant figures. Yield = % % Part B What would the yield be if two more steps (each with an 80 % yield) were added to the synthesis? Express your answer using two significant figures. Yield = nothing % %
Add the following questions to the final report: a) Why does the carbomethoxy group directs the...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
This question is for the Nitration of Methyl Benzoate, the final
product is Methyl 3 nitrobenzoate but I dont know how to get the
byproduct produced during this reaction. Please use the expanded
structural formulas and show a mechansim on how that occurs and on
the right please provide a description of what is going on in that
step/mechanism, ie an Sn1 or E1, etc.
b. As stated in the Lab Manual for this experiment, a by-product is possibly produced...
12. In a synthesis of isopropyl pyridine, the 3-methyl-2- presence of sodium ethoxide to give a dicarbonyl compo NaOCH.CH opropyl pyridine, the 3 with ethyl formate in the 0 ethyl formate 3-methyl-2-butanone a) In the first step of the mechanism, sodiu alpha position to form an enolate. Complete the as necessary (4 points) step of the mechanism, sodium ethoxide deprotonates 3-methyl-2-buthone at the O form an enolate, Complete this reaction with curly arrows drawing in H atoms b) Why is...
help with 3 and 4
on from risic vent for the ons formed POSTLAB QUESTIONS 1. Sulfuric acid serves three functions in this action: 1) in the format dcia; 2) as the Lewis acid catalyst for electrophilic aromatic substituto reaction by dissolving the methul benzoate. Based on the procond explain why nitration occurs primarily at the meta position and no 2. What two techniques were used in this experiment to prevent dinica 3. What would be the structure of the...
The reaction sequence below has two steps:
#1 Formation of carbomethoxyhydrazone from methyl
hydrazinocarboxylate and acetophenone
#2 Decomposition of this intermediate by treatment with
potassium hydroxide in triethyl glycol.
Propose a step by step mechanism from the starting material
leading up to the intermediate and from there, the final
product.
H₂N-N -ome EtoH/H2O Асон (Intermediate) itz A OM otsessor KOH (6ea) Triethyl glycol 140°C
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones from primary alkyl halides, lengthening the carbon chain by three atoms. Thus, the product can be visualized as being a "substituted acetone." The reaction consists of three steps: generation of the enolate anion followed by S2 reaction with a primary alkyl halide, ester hydrolysis under acid conditions, and decarboxylation. 1. NaOEt 2. H2O* 3. heat Br + - H₃C + CO2 + ETOH Hc...
Two students are given 3-oxobutanoic acid below and asked to
prepare 2-methyl-3-oxobutanoic acid.
The first student recognizes this as the first step of the
acetoacetic ester synthesis. He treats the starting material with
sodium methoxide followed by methyl iodide. He isolates compound A,
but 1H NMR analysis shows this is not the desired material.
Elemental analysis shows it has the same molecular formula as the
2-methyl-3-oxobutanoic acid. What is compound A?
The second student recognizes an extra step is needed...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
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