Homework Answers
The 1st IR spectra is for product 5. Product 5 has alkene C-H stretching which is around 3050 cm-1 which is present in 1st IR spectra. 2nd IR spectra is for product 4. The presence of OH group has a broad IR O-H stretching present around 3400cm-1 which is present only in 2nd spectra. And the 3rd IR spectra is for reactant 3. It has only sp3 C-H stretching around 2900cm-1.
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11. When (S)-2-bromo-3-methylbutane (3) is treated with sodium hydroxide, a mixture of two products (4 and...
R)-2-iodo-3-methylbutane is treated with sodium hydroxide. Select all products that are formed.
R)-2-iodo-3-methylbutane is treated with sodium hydroxide. Select all products that are formed.2-methylbutan-1-ol3-methylbut-1-ene(S)-3-methyl-2-butanol(R)-3-methyl-2-butanol2-methylbut-2-ene2-methylbutan-2-ol
(R)-2-iodo-3-methylbutane is treated with sodium bromide in acetone. Select all products that are formed.
(R)-2-iodo-3-methylbutane is treated with sodium bromide in acetone. Select all products that are formed.2-methylbut-2-ene(R)-3-methyl-2-butanol(S)-2-bromo-3-methylbutane3-methylbut-1-ene2-methylbutan-1-ol2-methylbutan-2-ol
can question 7.58 and 7.69 be answered please 7.6 7.58 When (R)-3-bromo-2,3-dimethylpentane is treated with sodium...
can question 7.58 and 7.69 be answered please
7.6 7.58 When (R)-3-bromo-2,3-dimethylpentane is treated with sodium hydroxide, four different alkenes are formed. Draw all four products and rank them in terms of stability. Which do you expect to be the major product? 7.59 When 3-bromo-2,4-dimethylpentane is treated with sodium hydroxide (NaOH), only one alkene is formed. Draw the product and explain why this reaction has only one regiochemical outcome. educed when each of the
When 2-bromo-3-methylbutane reacts with ethanol,two products are formed, 2-ethoxy-3-methylbutane and 2-ethoxy-2-methylbutane. 1.Give an explanation for the...
When 2-bromo-3-methylbutane reacts with ethanol,two products are formed, 2-ethoxy-3-methylbutane and 2-ethoxy-2-methylbutane. 1.Give an explanation for the two products. 2. Draw the full mechanism for the formation of the second product. (mechanism should have fours steps in total, including a deprotonation step.) Please show all work!
draw the expected products Incorrect. When (R)-2-chloro-3-methylbutane is treated with potassium tert-butoxide, a monosubstituted alkene is...
draw the expected products
Incorrect. When (R)-2-chloro-3-methylbutane is treated with potassium tert-butoxide, a monosubstituted alkene is obtained. When this alkene is treated with HBr, a mixture of products is obtained. Draw all of the expected products.
Name: Question 11 Four compounds are shown below. Circle which compound is represented by the IR...
Name: Question 11 Four compounds are shown below. Circle which compound is represented by the IR spectrum above. n is in Briefly explain your reasoning (Think about what is present in the spectrum and what is not present) Structure VENURSER Structure Name: Structure Structure Structure Structure Question 12 1. On the following pages, you will find six IR spectra labeled A-F. Match each of the spectra with one of the following seven compounds (write the letter of the spectrum in...
8) When 1-bromo-2 methylcyclohexane is treated with methanol and heat, four different products are formed- two...
8) When 1-bromo-2 methylcyclohexane is treated with methanol and heat, four different products are formed- two by substitution and two by elimination. Provide plausible mechanisms for each product (individually). (5 pts each) OCH3 CH3 CH2 CH3 CH3 OCH3
3. shown below is the IR spectrum 2-acetylcyclohexanone (the structure is provided in the spectrum). 2-acetylcyclohexanone...
3. shown below is the IR spectrum 2-acetylcyclohexanone (the
structure is provided in the spectrum). 2-acetylcyclohexanone
Exists as an equilibrium mixture of diketone and two enol forms.
Both the diketonr and enol forms can be seen in the provide IR
spectrum although the two different enols cannot be distinguished.
The IR spectra of both enols is essentially identical and so do not
be concerned with distinguishing the enols, just assign peaks to a
"generic" enol.
On the spectrum identify the...
6 Provide the products that will be formed by potassium hydroxide induced dehydrohalogenation of the following...
6 Provide the products that will be formed by potassium hydroxide induced dehydrohalogenation of the following cupounds. Please provide major and minor products Show the mechanism that is followed to produce each product a. 3-chloro-1-methylpentane b. 2-bromo-3-methylcyclohexane 7. Review the Infared Spectrum of 2-Decene below. Pay special attention to the 1200 cm' and 3200 cm eion. Identify the "group(s) that gave rise to spec absorbance peaks that are within this region (1200 cm and 3200 chh) 1000
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with...
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with the spectroscopic Thormation below, determine the structures of Product 1 and Product 2. Assign the relevant peaks in the IR, 1H NMR, and 13C NMR spectra that helped you reach your conclusion H20, 2-propanol Product 1 CH Product 2 CH,20 Product 1 IR SH 3H Product 1 1H NMR PPM Product 1 13C NMR 140 120 100 80 60 40 20 0 PPM Page...
can question 7.58 and 7.69 be answered please
7.6 7.58 When (R)-3-bromo-2,3-dimethylpentane is treated with sodium hydroxide, four different alkenes are formed. Draw all four products and rank them in terms of stability. Which do you expect to be the major product? 7.59 When 3-bromo-2,4-dimethylpentane is treated with sodium hydroxide (NaOH), only one alkene is formed. Draw the product and explain why this reaction has only one regiochemical outcome. educed when each of the
draw the expected products
Incorrect. When (R)-2-chloro-3-methylbutane is treated with potassium tert-butoxide, a monosubstituted alkene is obtained. When this alkene is treated with HBr, a mixture of products is obtained. Draw all of the expected products.
Name: Question 11 Four compounds are shown below. Circle which compound is represented by the IR spectrum above. n is in Briefly explain your reasoning (Think about what is present in the spectrum and what is not present) Structure VENURSER Structure Name: Structure Structure Structure Structure Question 12 1. On the following pages, you will find six IR spectra labeled A-F. Match each of the spectra with one of the following seven compounds (write the letter of the spectrum in...
8) When 1-bromo-2 methylcyclohexane is treated with methanol and heat, four different products are formed- two by substitution and two by elimination. Provide plausible mechanisms for each product (individually). (5 pts each) OCH3 CH3 CH2 CH3 CH3 OCH3
3. shown below is the IR spectrum 2-acetylcyclohexanone (the
structure is provided in the spectrum). 2-acetylcyclohexanone
Exists as an equilibrium mixture of diketone and two enol forms.
Both the diketonr and enol forms can be seen in the provide IR
spectrum although the two different enols cannot be distinguished.
The IR spectra of both enols is essentially identical and so do not
be concerned with distinguishing the enols, just assign peaks to a
"generic" enol.
On the spectrum identify the...
6 Provide the products that will be formed by potassium hydroxide induced dehydrohalogenation of the following cupounds. Please provide major and minor products Show the mechanism that is followed to produce each product a. 3-chloro-1-methylpentane b. 2-bromo-3-methylcyclohexane 7. Review the Infared Spectrum of 2-Decene below. Pay special attention to the 1200 cm' and 3200 cm eion. Identify the "group(s) that gave rise to spec absorbance peaks that are within this region (1200 cm and 3200 chh) 1000
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with the spectroscopic Thormation below, determine the structures of Product 1 and Product 2. Assign the relevant peaks in the IR, 1H NMR, and 13C NMR spectra that helped you reach your conclusion H20, 2-propanol Product 1 CH Product 2 CH,20 Product 1 IR SH 3H Product 1 1H NMR PPM Product 1 13C NMR 140 120 100 80 60 40 20 0 PPM Page...
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