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3a) 5 pts) When 1,2-epoxypropaneis treated with sodium thoxide in ethanol 1-ethoxypropandis the major product while...
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major...
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. Propose a mechanism for the major product and explain the results based on the mechanism. OH NaOCH2CH3 OH EtOH trace major Hoc
When 5-bromo-1-pentanol is treated with sodium hydride in diethyl ether, the product is analyzed to be...
When 5-bromo-1-pentanol is treated with sodium hydride in diethyl ether, the product is analyzed to be C5H10O. Propose a likely structure for this product, suggesting a reasonable mechanistic pathway for its formation. Draw the mechanism of the first step of the reaction. Include ions in the answer. Include all lone pairs in your answer.
Draw and name the SN2 major product formed when (2R,5S)-2-bromo-5-chlorohexane is treated with sodium iodide in...
Draw and name the SN2 major product formed when (2R,5S)-2-bromo-5-chlorohexane is treated with sodium iodide in acetone. (Use only one equivalent of NaI.)
Draw and name the major SN2 product when (2R,5S)-2-bromo-5-chlorohexane is treated with sodium iodine in acetone....
Draw and name the major SN2 product when (2R,5S)-2-bromo-5-chlorohexane is treated with sodium iodine in acetone. * Use only one equivalent of NaI and use wedge and dash bonds
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___that is generated through an __mechanism. A) ether, Sw1 B) ether, SN2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___ that is generated through an ____mechanism. A) ether, SN1 B) ether, Sn2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
3. When 1-bromo-1-phenyl-ethane is heated in ethanolic potassium ethoxide, the major product is styrene. a. Write...
3. When 1-bromo-1-phenyl-ethane is heated in ethanolic potassium ethoxide, the major product is styrene. a. Write a detailed reaction scheme. b. Write a detailed mechanism using the standard conventions 4. When 2-bromo-1-phenylbutane is reacted in methanolic sodium methoxide, one might expect to see two products. However, only one product is formed to an appreciable extent, a. Write a detailed reaction scheme b. Write a detailed mechanism. c. Explain why only one of the possible products is formed to appreciable extent
Chem 2200 E1/E2 Practice Problems tn 1. Predict the major produc t in each of the...
Chem 2200 E1/E2 Practice Problems tn 1. Predict the major produc t in each of the following reactions Ha OEt b) Br Ph 2. When 1-chloro-oox(Compound I) is treated with sodium methoxide in methanol, elimination readily occurs to give 1,2-x0oxd compound I). However, the two diastereomers of i (la and lb) each give one single isomer of il (either lla or lib) as shown below. Provide structures for la and ib as well as a mechanistic explanation for the stereopecificity....
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is...
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is hydrolyzed in the presence of I mole equivalent NaOH to form sodium propanoate and ethanol. b) H/HO also serve to hydrolyze an ester; brielly explain why NaOH HO is generally preferable. 10) (8 pts) Fill in the missing reagents in cach of the following reductions. More than one step may be required. For + racinho HO + NaOH e come to Na + HO...
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts...
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts with 85% H3PO4 at 150 °C. Name all curved arrows shown in each step as either "lone pair to bond" or "bond to long pair". Specify the atom that donates/accepts the lone pair. [1 Mark] Step 1 -H O ro-H + Ho + H2O H H Commons Kagamo Step 2 + H2O Step 3 = + H,PO. H HAPO Zaitsev product 6. Given below...
3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. Propose a mechanism for the major product and explain the results based on the mechanism. OH NaOCH2CH3 OH EtOH trace major Hoc
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___that is generated through an __mechanism. A) ether, Sw1 B) ether, SN2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___ that is generated through an ____mechanism. A) ether, SN1 B) ether, Sn2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
3. When 1-bromo-1-phenyl-ethane is heated in ethanolic potassium ethoxide, the major product is styrene. a. Write a detailed reaction scheme. b. Write a detailed mechanism using the standard conventions 4. When 2-bromo-1-phenylbutane is reacted in methanolic sodium methoxide, one might expect to see two products. However, only one product is formed to an appreciable extent, a. Write a detailed reaction scheme b. Write a detailed mechanism. c. Explain why only one of the possible products is formed to appreciable extent
Chem 2200 E1/E2 Practice Problems tn 1. Predict the major produc t in each of the following reactions Ha OEt b) Br Ph 2. When 1-chloro-oox(Compound I) is treated with sodium methoxide in methanol, elimination readily occurs to give 1,2-x0oxd compound I). However, the two diastereomers of i (la and lb) each give one single isomer of il (either lla or lib) as shown below. Provide structures for la and ib as well as a mechanistic explanation for the stereopecificity....
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is hydrolyzed in the presence of I mole equivalent NaOH to form sodium propanoate and ethanol. b) H/HO also serve to hydrolyze an ester; brielly explain why NaOH HO is generally preferable. 10) (8 pts) Fill in the missing reagents in cach of the following reductions. More than one step may be required. For + racinho HO + NaOH e come to Na + HO...
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts with 85% H3PO4 at 150 °C. Name all curved arrows shown in each step as either "lone pair to bond" or "bond to long pair". Specify the atom that donates/accepts the lone pair. [1 Mark] Step 1 -H O ro-H + Ho + H2O H H Commons Kagamo Step 2 + H2O Step 3 = + H,PO. H HAPO Zaitsev product 6. Given below...
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