Which of the two routes would generate ethyl-t-butyl ether as the major product (for a Sn2 reaction only) and why?
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Which of the two routes would generate ethyl-t-butyl ether as the major product (for a Sn2 reaction only) and why? Rout...
Which of the two routes would generate ethyl-t-butyl ether as the major product and why? Route...
Which of the two routes would generate ethyl-t-butyl ether as the
major product and why?
Route A -Br Он (The nucleophile generated here is OR ethyl t-butyl ether Route B +. ОН + Br (The nucleophile generated here is -o' )
A. Explain why an Sn2 reaction between ethyl methyl ether and sodium iodide is not favored...
A. Explain why an Sn2 reaction between ethyl methyl ether and sodium iodide is not favored but an sn2 reaction between diethyl ether and hydrogen iodide is more favorable. B. Explain why the major product of either reaction is not ethene, even with heating
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether,...
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether, (CH)1COCH CH, in acidic conditions. What would happen to the rate of the reaction if the concentration of ethanol was doubled? A) The rate remains the same. B) The rate decreases by a factor of 2 C) The rate increases by a factor of 2. D) The rate increases by a factor of 4. Circle the following alkyl halide that will undergo the fastest...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
Orgo lab formation of ether by sn2 rxn Why is it important to fully cool the...
Orgo lab formation of ether by sn2 rxn
Why is it important to fully cool the product in an ice bath prior to isolation by suction filtration? Why do you need to rinse your product with ice water instead of room temperature water? Based on what you have learned in lecture, what would happen if you used 2-iodo-2-methylpropune as your electrophile in this reaction? Based on what you have learned in lecture, w hat would be the impact of changing...
for the reaction: acetaminophen + (NaOH/EtOH note: etoh is ethanol) and butyl iodide ---------------> 4-butoxyacetanilide a)...
for the reaction: acetaminophen + (NaOH/EtOH note: etoh is ethanol) and butyl iodide ---------------> 4-butoxyacetanilide a) The first step in this reaction is to reflux acetaminophen in a NaOH/EtOH solution, followed by the addition of butyl iodide. What is the purpose of using the NaOH/EtOH solution? Would the SN2 reaction still occur if the first step was not completed? Why or why not? b) Upon completion of the reaction (before filtration), an additional 4.0 mL of 1.0 M NaOH/EtOH was...
Provide the major product(s) for the following reactions. SN2 and E2 reaction will only give one...
Provide the major product(s) for the following reactions. SN2
and E2 reaction will only give one major product (the substitution
or elimination product)
OH HASOa, H2O Nas Nas. DMF, 25 °C
which Sn2 reaction would be expected to occur most quickly. Why? .10. Which Sn2 reaction would...
which Sn2 reaction would be expected to occur most quickly.
Why?
.10. Which Sn2 reaction would be expected to occur most quickly? A. CH,CH,Br + CN' C. CH,CH,F + CN → E. CH,CH,OH + CN → B. CHÚCHI + CN » D. CHÚCHÚCl + CN »
1. In the final product, triphenylmethyl ethyl ether, there is only one oxygen atom. From which...
1. In the final product, triphenylmethyl ethyl ether, there is only one oxygen atom. From which of the two starting materials did it come? 2. Calculate the Rf value for the spot on the TLC plate shown below. Measure distances and show your work. in mm
1. In the final product, triphenylmethyl ethyl ether, there is only one oxygen atom. From which of the two starting materials did it come? 2. Calculate the Rf value for the spot on the...
Provide the MAJOR product(s) for the following reactions. SN2 and E2 reaction will only give one...
Provide the MAJOR product(s) for the following reactions. SN2
and E2 reaction will only give one major product (the substitution
of elimination product)
major product (the substitution or elimin SOCI, Pyridine HCI (excess) Heat Oh ot H2SO4, H20 Nas DMF, 25 °C NaOH H20, 55 °C Br
Which of the two routes would generate ethyl-t-butyl ether as the
major product and why?
Route A -Br Он (The nucleophile generated here is OR ethyl t-butyl ether Route B +. ОН + Br (The nucleophile generated here is -o' )
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether, (CH)1COCH CH, in acidic conditions. What would happen to the rate of the reaction if the concentration of ethanol was doubled? A) The rate remains the same. B) The rate decreases by a factor of 2 C) The rate increases by a factor of 2. D) The rate increases by a factor of 4. Circle the following alkyl halide that will undergo the fastest...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
Orgo lab formation of ether by sn2 rxn
Why is it important to fully cool the product in an ice bath prior to isolation by suction filtration? Why do you need to rinse your product with ice water instead of room temperature water? Based on what you have learned in lecture, what would happen if you used 2-iodo-2-methylpropune as your electrophile in this reaction? Based on what you have learned in lecture, w hat would be the impact of changing...
Provide the major product(s) for the following reactions. SN2
and E2 reaction will only give one major product (the substitution
or elimination product)
OH HASOa, H2O Nas Nas. DMF, 25 °C
which Sn2 reaction would be expected to occur most quickly.
Why?
.10. Which Sn2 reaction would be expected to occur most quickly? A. CH,CH,Br + CN' C. CH,CH,F + CN → E. CH,CH,OH + CN → B. CHÚCHI + CN » D. CHÚCHÚCl + CN »
1. In the final product, triphenylmethyl ethyl ether, there is only one oxygen atom. From which of the two starting materials did it come? 2. Calculate the Rf value for the spot on the TLC plate shown below. Measure distances and show your work. in mm
1. In the final product, triphenylmethyl ethyl ether, there is only one oxygen atom. From which of the two starting materials did it come? 2. Calculate the Rf value for the spot on the...
Provide the MAJOR product(s) for the following reactions. SN2
and E2 reaction will only give one major product (the substitution
of elimination product)
major product (the substitution or elimin SOCI, Pyridine HCI (excess) Heat Oh ot H2SO4, H20 Nas DMF, 25 °C NaOH H20, 55 °C Br
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