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11. Show the mechanism for an El reaction below. Number your carbons in each step!!! (15...
Provide a step-by-step mechanism to account for the product of each of the following reactions. Show...
Provide a step-by-step mechanism to account for the product of
each of the following reactions. Show the structure of each of the
intermediates and use curved arrows to indicate electron flow in
each of these steps.
3. Provide a step-by-step mechanism to account for the product of each of the following reactions. Show the structure of each of the intermediates and use curved arrows to indicate electron flow in each of these steps. a) NaOEt (1 equiv) EtOH O OH...
15. (6 pts) Electrophilic addition to alkenes. A) Show the mechanism for the reaction below. CH3...
15. (6 pts) Electrophilic addition to alkenes. A) Show the mechanism for the reaction below. CH3 CH3 H3C-CCH2-CH3 H3C-C CH-CHa+ HC CI B) Why does the Cl attach only to one of the two carbons in the C-C bond? (What is the reason behind the observed regiochemistry?)
Please answer both parts h Provide the produet and a detailed step-by-step mechanism for the reaction...
Please answer both parts
h Provide the produet and a detailed step-by-step mechanism for the reaction below 20 points) Na OCH, in CH OH 5. (a) Enamines react with acid chlorides in the same way as do other nucleophiles, and the result (after workup with water) is a dicarbonyl compound; this is sometimes called the Stork enamine acylation, after Prof. Gilbert Stork who developed this chemistry. No new ring is formed during this reaction. Please provide the product and a...
11. (8 points) Determine the product at each step in the following reaction and show the...
11. (8 points) Determine the product at each step in the following reaction and show the mechanism for the first three steps (but not Hz/Lindlar) | 1) xs NaNH, 1) NaNH, CHCI 2) H, 0 2 ) Lindlar Brz Br 12. (4 points) Devise a synthesis and show the mechanism (unless it is hydrogenation or hydroboration) for each product from the given starting material. More than one step is required for each. both products will form
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points)...
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points) H20. Hoj + H20 Indicate what pattern (from the following shown below) is in reaction? A. Proton Transfer B. Loss of Leaving Group C. Nucleop D. Rearrangement
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points)...
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points) H20. Hoj + H20 Indicate what pattern (from the following shown below) is in reaction? A. Proton Transfer B. Loss of Leaving Group C. Nucleop D. Rearrangement
14-15) Predict the product. Show each step. 16-17) Predict the product. If no reaction, write NR....
14-15) Predict the product. Show each step.
16-17) Predict the product. If no reaction, write NR.
14.) Predict the product. Show each step. of CH₂Br 2) con 7.) Mg 3.) H₂or 15.) Predict the product, Show each step 1.) Soch 2.) Li Al(O+-BuzH 16.) Predict the products. If no reaction, write NR. of ccl + CH₃OH Ht 1.) @ My Br Excess 2.) H₃O+ 7
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
1. A) Show each possible product for the reaction below and predict the major product. Be...
1. A) Show each possible product for the reaction below and predict the major product. Be sure. to include all geometric isomers. (1 pt) b Na B) Draw the rotamer that leads to the major product for the reaction above as a Newman projection. (1 pt) 2. Circle the substrates which can undergo elimination through the E2 mechanism. (Hint: substrates may not be drawn in the proper conformation for an E2 reaction). (0.5 pts) to x Kto 3. Circle the...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from the environment. (a) Start by redrawing the starting material below, and show how the pericyclic reaction occurs with curved arrows. (b) Specify the type of pericyclic reaction it represents and the name reaction. (c) If you've done the pericyclic reaction correctly, your product will be an enol. From...
Provide a step-by-step mechanism to account for the product of
each of the following reactions. Show the structure of each of the
intermediates and use curved arrows to indicate electron flow in
each of these steps.
3. Provide a step-by-step mechanism to account for the product of each of the following reactions. Show the structure of each of the intermediates and use curved arrows to indicate electron flow in each of these steps. a) NaOEt (1 equiv) EtOH O OH...
15. (6 pts) Electrophilic addition to alkenes. A) Show the mechanism for the reaction below. CH3 CH3 H3C-CCH2-CH3 H3C-C CH-CHa+ HC CI B) Why does the Cl attach only to one of the two carbons in the C-C bond? (What is the reason behind the observed regiochemistry?)
Please answer both parts
h Provide the produet and a detailed step-by-step mechanism for the reaction below 20 points) Na OCH, in CH OH 5. (a) Enamines react with acid chlorides in the same way as do other nucleophiles, and the result (after workup with water) is a dicarbonyl compound; this is sometimes called the Stork enamine acylation, after Prof. Gilbert Stork who developed this chemistry. No new ring is formed during this reaction. Please provide the product and a...
11. (8 points) Determine the product at each step in the following reaction and show the mechanism for the first three steps (but not Hz/Lindlar) | 1) xs NaNH, 1) NaNH, CHCI 2) H, 0 2 ) Lindlar Brz Br 12. (4 points) Devise a synthesis and show the mechanism (unless it is hydrogenation or hydroboration) for each product from the given starting material. More than one step is required for each. both products will form
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points) H20. Hoj + H20 Indicate what pattern (from the following shown below) is in reaction? A. Proton Transfer B. Loss of Leaving Group C. Nucleop D. Rearrangement
able 11. Draw arrows to show mechanism for each step of the following reaction (10 points) H20. Hoj + H20 Indicate what pattern (from the following shown below) is in reaction? A. Proton Transfer B. Loss of Leaving Group C. Nucleop D. Rearrangement
14-15) Predict the product. Show each step.
16-17) Predict the product. If no reaction, write NR.
14.) Predict the product. Show each step. of CH₂Br 2) con 7.) Mg 3.) H₂or 15.) Predict the product, Show each step 1.) Soch 2.) Li Al(O+-BuzH 16.) Predict the products. If no reaction, write NR. of ccl + CH₃OH Ht 1.) @ My Br Excess 2.) H₃O+ 7
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
1. A) Show each possible product for the reaction below and predict the major product. Be sure. to include all geometric isomers. (1 pt) b Na B) Draw the rotamer that leads to the major product for the reaction above as a Newman projection. (1 pt) 2. Circle the substrates which can undergo elimination through the E2 mechanism. (Hint: substrates may not be drawn in the proper conformation for an E2 reaction). (0.5 pts) to x Kto 3. Circle the...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from the environment. (a) Start by redrawing the starting material below, and show how the pericyclic reaction occurs with curved arrows. (b) Specify the type of pericyclic reaction it represents and the name reaction. (c) If you've done the pericyclic reaction correctly, your product will be an enol. From...
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