Homework Answers
Answer 4)
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score 4. 32 pts) REACTION SunsmomON Vs ELIMINATION Predict the organic prodoci(s) of the following reactions...
For each of the following reactions: (1) Draw all of the organic product(s) that would be...
For each of the following reactions: (1) Draw all of the organic product(s) that would be formed, and (2) label each product as formed via S1, S2. E1, or E2. For elimination products, label as major or minor. Pay close attention to regiochemistry, stereochemistry, and whether carbocation rearrangements would occur. - DBN ci Br H20 B A C CH3OH acetone NaOH D Br DMSO
4. Predict the products of the following reactions & indicate whether they are most likely to...
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
UN CONVERGENCE (25PT TOTAL): Answer mwing reactions A: The following reaction yield a complex mixture of...
UN CONVERGENCE (25PT TOTAL): Answer mwing reactions A: The following reaction yield a complex mixture of som conditions are responsible for its production. Circle or shade chor 6. 2019 wer the following questions in the complex mixture from th dalferent compounds fasthoudend indicate which reaction EtOH, Δ 102° 3° alky halide 10:2° 3° alky halide or tetral tri/ di/ mond alkene substituted SN1 E2 SN2 E1 A Fetral tri di mong alkene substituted SN1 E2 SN2 E1 C 1° 2°...
Thank you so much! (2 pts) Draw the major elimination products and Identify the mechanism responsible...
Thank you so much!
(2 pts) Draw the major elimination products and Identify the mechanism responsible (E1 or E2). If both E and Z isomers form, only draw the E alkene. If only one isomer forms, label the alkene "E,""Z," or neither 1. NaOCH3 а. Br НОСHЗ b. НОСНЗ C. CI NaOCH3 d. (6 pts) Draw the substitution and/or elimination product(s) for the following reactions and identify 2. the mechanism responsible (SN1, SN2, E1, or E2) for each product drawn....
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction...
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
How to properly solve these elimination and addition reactions Elimination and Addition reactions Purpose: Fi...
How to properly solve these elimination and addition
reactions
Elimination and Addition reactions Purpose: Figuring out the ways that molecules react is the province of the mechanistic chemist. By understanding the mechanisms of reactions, the chemist can manipulate the experimental variables to favor one product over another. This element of control is the province of the synthetic organic chemist. This Workshop continues to explore how we know how molecules react and how this knowledge leads to control of the products....
For each of the following reactions: (1) Draw all of the organic product(s) that would be formed, and (2) label each product as formed via S1, S2. E1, or E2. For elimination products, label as major or minor. Pay close attention to regiochemistry, stereochemistry, and whether carbocation rearrangements would occur. - DBN ci Br H20 B A C CH3OH acetone NaOH D Br DMSO
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
UN CONVERGENCE (25PT TOTAL): Answer mwing reactions A: The following reaction yield a complex mixture of som conditions are responsible for its production. Circle or shade chor 6. 2019 wer the following questions in the complex mixture from th dalferent compounds fasthoudend indicate which reaction EtOH, Δ 102° 3° alky halide 10:2° 3° alky halide or tetral tri/ di/ mond alkene substituted SN1 E2 SN2 E1 A Fetral tri di mong alkene substituted SN1 E2 SN2 E1 C 1° 2°...
Thank you so much!
(2 pts) Draw the major elimination products and Identify the mechanism responsible (E1 or E2). If both E and Z isomers form, only draw the E alkene. If only one isomer forms, label the alkene "E,""Z," or neither 1. NaOCH3 а. Br НОСHЗ b. НОСНЗ C. CI NaOCH3 d. (6 pts) Draw the substitution and/or elimination product(s) for the following reactions and identify 2. the mechanism responsible (SN1, SN2, E1, or E2) for each product drawn....
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
How to properly solve these elimination and addition
reactions
Elimination and Addition reactions Purpose: Figuring out the ways that molecules react is the province of the mechanistic chemist. By understanding the mechanisms of reactions, the chemist can manipulate the experimental variables to favor one product over another. This element of control is the province of the synthetic organic chemist. This Workshop continues to explore how we know how molecules react and how this knowledge leads to control of the products....
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