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Consider both regioselectivity and stereoselectivity to predict the major product for the elimination below. NaOEt Predict...
3. Predict the product(s) for each of the E2 elimination reactions below. Identify the major product for each. a. B...
3. Predict the product(s) for each of the E2 elimination reactions below. Identify the major product for each. a. Br heat V Br NaOCH heat 4. Predict the product(s) for each of the E1 elimination reactions below. Identify the major product for each. H2SO4 > OH heat
4. Predict the product(s) for each of the E1 elimination reactions below. Identify the major product...
4. Predict the product(s) for each of the E1 elimination reactions below. Identify the major product for each. H2O heat a. H2SO4 -OH heat
Short Answer Section (43 pts) – showing work helps! Substitution vs. Elimination (12 pts). Predict all...
Short Answer Section (43 pts) – showing work helps! Substitution
vs. Elimination (12 pts). Predict all major product(s) of each of
the following reactions and indicate the predominant mechanistic
pathways (Sn1, Sn2, E1, E2). Remember to consider rearrangements.
Mechanism #1 (10 pts). Draw a stepwise mechanism to account for the
following transformation. Br mechanism(s)? NaOH Cl mechanism(s)?
NaOEt OTs for this reaction, circle the major product mechanism(s)?
O K Cl for this reaction, circle the major product mechanism(s)?
NaOCH3 H2O...
Predict the products of the following elimination reaction. Draw the major organic product formed in the...
Predict the products of the following elimination reaction. Draw the major organic product formed in the following reaction. For the alcohol reaction below, give the major organic product.
Application Questions 1. Predict the product for the following reaction. Which is the major product? Why?...
Application Questions 1. Predict the product for the following reaction. Which is the major product? Why? conc. H2SO4 heat OH 2. What alcohol could you use to synthesis each of the following alkenes? Draw a scheme for each one. 3. Draw the mechanisms for the following two schemes (two separate mechanisms). VWhat is the key difference between these two mechanisms? он conc H2SO4 heat он conc H2SO4 heat
1.Predict all the products for the following reaction. Which is the major product? Why? + conc....
1.Predict all the products for the following reaction. Which is the major product? Why? + conc. H2SO4 heat OH 2. Give an alcohol that you could use to synthesis each of the following alkenes? din 3.Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН ОН conc H2SO4 conc H2SO4 heat heat
Application Questions 1. Predict all the products for the following reaction. Which is the major product?...
Application Questions 1. Predict all the products for the following reaction. Which is the major product? Why? conc. H2SO4 heat OH 2. Give an alcohol that you could use to synthesis each of the following alkenes? o in s 3. Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН conc H2SO4 heat...
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless...
2. Predict the major organic product(s) of the
reactions below. Assume 1 equivalent of reagent unless otherwise
stated, it's a solvent, or an oxidizing/reducing agent. Do consider
stereochemistry and regioselectivity.
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless otherwise stated, it's a solvent, or an oxidizing/reducing agent. Do consider stereochemistry and regioselectivity. (3 points each; 15 points total) A. Me 1. HNO3 2. O3 3. DMS 1. mCPBA, DCM (1 equiv) 2....
Predict the major product for the following reactions considering competing substitution and elimination pathways....
Predict the major product for the following reactions considering competing substitution and elimination pathways. CI NaOEt NaSH NaOH Explain why a completely nonpolar bond will not give a stretching signal in the IR spectra. Would you expect to see a signal for C-H stretching for a nonpolar molecule? Why or why not?
(2 points) When the alcohol below is treated with and pyridine, the expected elimination product is...
(2 points) When the alcohol below is treated with and pyridine, the expected elimination product is formed. However, when the same alcohol is treated with, the elimination product is 1,2-dimethylcyclopentene. Propose a mechanism for each pathway to account for these differences 1. POC3 pyridine OH SO4 2. Predict the mechanism for the following conversion (2 points) Hgo
3. Predict the product(s) for each of the E2 elimination reactions below. Identify the major product for each. a. Br heat V Br NaOCH heat 4. Predict the product(s) for each of the E1 elimination reactions below. Identify the major product for each. H2SO4 > OH heat
4. Predict the product(s) for each of the E1 elimination reactions below. Identify the major product for each. H2O heat a. H2SO4 -OH heat
Short Answer Section (43 pts) – showing work helps! Substitution
vs. Elimination (12 pts). Predict all major product(s) of each of
the following reactions and indicate the predominant mechanistic
pathways (Sn1, Sn2, E1, E2). Remember to consider rearrangements.
Mechanism #1 (10 pts). Draw a stepwise mechanism to account for the
following transformation. Br mechanism(s)? NaOH Cl mechanism(s)?
NaOEt OTs for this reaction, circle the major product mechanism(s)?
O K Cl for this reaction, circle the major product mechanism(s)?
NaOCH3 H2O...
Predict the products of the following elimination reaction. Draw the major organic product formed in the following reaction. For the alcohol reaction below, give the major organic product.
Application Questions 1. Predict the product for the following reaction. Which is the major product? Why? conc. H2SO4 heat OH 2. What alcohol could you use to synthesis each of the following alkenes? Draw a scheme for each one. 3. Draw the mechanisms for the following two schemes (two separate mechanisms). VWhat is the key difference between these two mechanisms? он conc H2SO4 heat он conc H2SO4 heat
1.Predict all the products for the following reaction. Which is the major product? Why? + conc. H2SO4 heat OH 2. Give an alcohol that you could use to synthesis each of the following alkenes? din 3.Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН ОН conc H2SO4 conc H2SO4 heat heat
Application Questions 1. Predict all the products for the following reaction. Which is the major product? Why? conc. H2SO4 heat OH 2. Give an alcohol that you could use to synthesis each of the following alkenes? o in s 3. Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН conc H2SO4 heat...
2. Predict the major organic product(s) of the
reactions below. Assume 1 equivalent of reagent unless otherwise
stated, it's a solvent, or an oxidizing/reducing agent. Do consider
stereochemistry and regioselectivity.
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless otherwise stated, it's a solvent, or an oxidizing/reducing agent. Do consider stereochemistry and regioselectivity. (3 points each; 15 points total) A. Me 1. HNO3 2. O3 3. DMS 1. mCPBA, DCM (1 equiv) 2....
Predict the major product for the following reactions considering competing substitution and elimination pathways. CI NaOEt NaSH NaOH Explain why a completely nonpolar bond will not give a stretching signal in the IR spectra. Would you expect to see a signal for C-H stretching for a nonpolar molecule? Why or why not?
(2 points) When the alcohol below is treated with and pyridine, the expected elimination product is formed. However, when the same alcohol is treated with, the elimination product is 1,2-dimethylcyclopentene. Propose a mechanism for each pathway to account for these differences 1. POC3 pyridine OH SO4 2. Predict the mechanism for the following conversion (2 points) Hgo
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