From the esters made in lab, pick your favorite and draw the reaction mechanism for its...
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From the esters made in lab, pick your favorite and draw the
reaction mechanism for its...
Organic chemistry lab performing small scale Fisher esterification to make a variety of esters. 1) If...
Organic chemistry lab performing small scale Fisher esterification to make a variety of esters. 1) If you were doing these experiments on a larger scale, describe two ways that you could improve the yield of the target ester. 2) What is the point of adding sulfuric acid to the reaction? How about the heat? 3) Write the mechanism for the formation of wintergreen with 0.20g of anthranilic acid, 6 drops of methanol and one drop of H2SO4, then heated for...
Draw the mechanism for the reaction shown below: o This mechanism requires 6 distinct steps This...
Draw the mechanism for the reaction shown below: o This mechanism requires 6 distinct steps This is an acid-catalyzed reaction, use the H30+ in your mechanism o Be sure to include all curved arrows to show the movement of electrons Be sure to include all lone pairs and formal charges on atoms, as necessary For each step in your mechanism, label it based on the type of mechanism step it is H H :N-H
combinatorial chemistry; ester synthesis Fundamentals of Organic Chemistry Lab Post-Lab Questions 1. If you were doing...
combinatorial chemistry; ester synthesis
Fundamentals of Organic Chemistry Lab Post-Lab Questions 1. If you were doing these experiments on a larger scale, describe two ways that you could improve the yield of the target ester What is the point of adding sulfuric acid to the reaction? How about the heat? 2. Pick your favorite of the esters you made, and write the mechanism for its formation. 3.
Post-Lab Questions for "4Methylcyclohexene Experiment 1. Write a step-wise, arrow.pushing mechanism for the reaction. H2SO4 (aq,conc.,...
Post-Lab Questions for "4Methylcyclohexene Experiment 1. Write a step-wise, arrow.pushing mechanism for the reaction. H2SO4 (aq,conc., 6 drops) HYPO, (0.4 mL) dropel. Q . Ho 2. While the reaction in the lab text gives the product 4-methylcyclohexene, it is possible that several products are formed in this reaction, including 1-methylcyclohexene, because of 1,2-hydride shifts in the carbo-cation intermediate. Show a step-wise, arrow.pushing mechanism for the formation of 1-methylcyclohexene. 1-methylcyclohexene 3. Be sure to calculate an overall percent yield of methylcyclohexenes...
Help me draw this *mechanism*please! My acid catalyst is H2SO4 (sulfuric acid) please show me the...
Help me draw this *mechanism*please! My acid catalyst is H2SO4
(sulfuric acid) please show me the pre-step, nucleophilic attack,
and the two proton shift. Thanks!!
acetic acid + 1-propanol = propyl acetate + water
+ ЛОН acid catalyst + ОН acetic acid H2O 1-propanol propyl acetate (pear)
6. Predict the product and draw a mechanism for the reactions below. You MUST include the...
6. Predict the product and draw a mechanism for the reactions below. You MUST include the mechanism for the formation of the electrophile. Be sure to show arrows for every bond change and draw the resonance structures of the carbocation intermediate. AICI: SO3 H2SO4
Draw the mechanism of the following reaction. Be sure to show all curved arrows and formal...
Draw the mechanism of the following reaction. Be sure to show all curved arrows and formal charges. (Show the formation of the electrophile and all resonance structures of the sigma complex). o to AICI: Does the substituent on the following benzene activate or deactivate the ring for EAS reactions? Explain your answer this should include drawing any relevant resonance structures!) NH Predict the major product of the following reaction. Explain the directing effects of the -OH group (this should include...
The epoxide below can be opened with acetic acid. Draw the complete mechanism. Show all electron...
The epoxide below can be opened with acetic acid. Draw the complete mechanism. Show all electron lone-pairs, formal charges and curved arrow notation. OH The reaction above is regioselective. Draw the transition state for the rate determining step above and the Use that to explain why addition takes place at the most substituted carbon of the epoxide. Transition states should include partial charges and dashed lines to indicate partial bond formation or cleavage
We made esters from carboxylic acids and alcohol. (for one of them, acetic acid + isopentyl...
We made esters from carboxylic acids and alcohol. (for one of them, acetic acid + isopentyl alcohol + couple drops of sulfuric acid). Could someone please explain those. Thank you 1. Consider if we had prepared high molecular weight esters, what problems would this pose regarding our method of analysis 2. We used sulfuric acid as a catalyst, but carboxylic acids are a reagent in this reaction. Would simply using excess carboxylic acid work as efficiently as sulfuric acid to...
The esterification reaction is a five-step reaction. Draw the curly arrow mechanism for the first two...
The esterification reaction is a five-step reaction. Draw the curly arrow mechanism for the first two steps of this reaction. The steps of the reaction are listed below: Step 1: Acetic acid is protonated by H2SO4. Step 2: The hydroxyl group of the alcohol attacks acetic acid. Step 3: Tautomerism (will be explained in class next semester). Step 4: Water is a good leaving group Step 5: 5% sodium bicarbonate deprotonates the ester to yield the final product.
Draw the mechanism for the reaction shown below: o This mechanism requires 6 distinct steps This is an acid-catalyzed reaction, use the H30+ in your mechanism o Be sure to include all curved arrows to show the movement of electrons Be sure to include all lone pairs and formal charges on atoms, as necessary For each step in your mechanism, label it based on the type of mechanism step it is H H :N-H
combinatorial chemistry; ester synthesis
Fundamentals of Organic Chemistry Lab Post-Lab Questions 1. If you were doing these experiments on a larger scale, describe two ways that you could improve the yield of the target ester What is the point of adding sulfuric acid to the reaction? How about the heat? 2. Pick your favorite of the esters you made, and write the mechanism for its formation. 3.
Post-Lab Questions for "4Methylcyclohexene Experiment 1. Write a step-wise, arrow.pushing mechanism for the reaction. H2SO4 (aq,conc., 6 drops) HYPO, (0.4 mL) dropel. Q . Ho 2. While the reaction in the lab text gives the product 4-methylcyclohexene, it is possible that several products are formed in this reaction, including 1-methylcyclohexene, because of 1,2-hydride shifts in the carbo-cation intermediate. Show a step-wise, arrow.pushing mechanism for the formation of 1-methylcyclohexene. 1-methylcyclohexene 3. Be sure to calculate an overall percent yield of methylcyclohexenes...
Help me draw this *mechanism*please! My acid catalyst is H2SO4
(sulfuric acid) please show me the pre-step, nucleophilic attack,
and the two proton shift. Thanks!!
acetic acid + 1-propanol = propyl acetate + water
+ ЛОН acid catalyst + ОН acetic acid H2O 1-propanol propyl acetate (pear)
6. Predict the product and draw a mechanism for the reactions below. You MUST include the mechanism for the formation of the electrophile. Be sure to show arrows for every bond change and draw the resonance structures of the carbocation intermediate. AICI: SO3 H2SO4
Draw the mechanism of the following reaction. Be sure to show all curved arrows and formal charges. (Show the formation of the electrophile and all resonance structures of the sigma complex). o to AICI: Does the substituent on the following benzene activate or deactivate the ring for EAS reactions? Explain your answer this should include drawing any relevant resonance structures!) NH Predict the major product of the following reaction. Explain the directing effects of the -OH group (this should include...
The epoxide below can be opened with acetic acid. Draw the complete mechanism. Show all electron lone-pairs, formal charges and curved arrow notation. OH The reaction above is regioselective. Draw the transition state for the rate determining step above and the Use that to explain why addition takes place at the most substituted carbon of the epoxide. Transition states should include partial charges and dashed lines to indicate partial bond formation or cleavage
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