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Which product(s) would you expect to obtain from each of the following reactions? In each part...
16. Give the major product that you would expect to be formed in each of the...
16. Give the major product that you would expect to be formed in each of the following reactions. If you think there is no reaction write NR after the arrow. In each case give the mechanism (SN1, SN2, E1 or E2) by which the product is formed. Also indicate the correct stereochemistry when applicable. Both product and the mechanism should be correct to get credit. No partial credit. Nal -BuOK Acetone t-Buo NaSH DMF Br, H NaOMe DMSO MeOH,rt t-BuOH...
3. Shown below are a series of reactions. Predict the major product for each of them....
3. Shown below are a series of reactions. Predict the major product for each of them. Remember, you will need to first decide whether the reaction occurs by an SN2, SN1, E2, or E1 before you can determine what the product will be. Label each as SN2, SN1, E2, or E1. Hint: First decide whether S2/E2 or S1/E1 is favored, and then decide whether the reaction pathway goes by a substitution or elimination reaction. SN2 / SN1 E2/E1 Na DMSO,rt...
(8 pts) For each reaction, predict what mechanism will account for the major product(s) formed and...
(8 pts) For each reaction, predict what mechanism will account for the major product(s) formed and write (SN1, SN2, E1, E2 or N.R.) in the boxes provided. Explanations or drawings are NOT required. 4. а. Н-о Br heat b. OTs NaOEt НOE с. NaCl OTs DMSO d. CI CHон
describe each as Sn1, Sn2, E1 and E2 then draw a curved arrow mechanism for each reaction. NaSH DMSO SH KOH HO DMSO...
describe each as Sn1, Sn2, E1 and E2 then draw a
curved arrow mechanism for each reaction.
NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
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
please indicate stereochemistry (20 marks) 1. Identify each of the following reactions as SN1, SN2, E1,...
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
8. complete the following reactions. mention the type of mechanism (SN1,SN2, E1, or E2) that each...
8. complete the following reactions. mention the type of
mechanism (SN1,SN2, E1, or E2) that each follows
8. Complete the following reactions. Mention the type of mechanism (SNI, SN2, E1 or E2) that each reaction follows. (4) (CHy)COH 100°C Br a) Cl Xiocn, NaOCH3 Heat CH3 b) Cl CH3ONa CH3OH,100°C CH3
6) Predict the major product in each of the following reactions and indicate if it came...
6) Predict the major product in each of the following reactions and indicate if it came from an Sn1, S2, E1, or E2 reaction. H3C Br NaOme CH3 H2O H Br MeOH 'BUOK H Br DMSO H3C Br NaOme CH3 H20 MeOH H OTS ЕКОН
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
For each of the reactions supply the missing final major product(s) in the boxes provided. Clearly...
For each of the reactions supply the missing final major product(s) in the boxes provided. Clearly show stereochemisty where appropriate. If a reaction produces a mixture of enantiomers draw both. Supply the name of the mechanism (Sn1, Sn2, E1, E2) by which the requested reaction occurs by. MeOH Mechanism Br KCN DMSO Mechanism
16. Give the major product that you would expect to be formed in each of the following reactions. If you think there is no reaction write NR after the arrow. In each case give the mechanism (SN1, SN2, E1 or E2) by which the product is formed. Also indicate the correct stereochemistry when applicable. Both product and the mechanism should be correct to get credit. No partial credit. Nal -BuOK Acetone t-Buo NaSH DMF Br, H NaOMe DMSO MeOH,rt t-BuOH...
3. Shown below are a series of reactions. Predict the major product for each of them. Remember, you will need to first decide whether the reaction occurs by an SN2, SN1, E2, or E1 before you can determine what the product will be. Label each as SN2, SN1, E2, or E1. Hint: First decide whether S2/E2 or S1/E1 is favored, and then decide whether the reaction pathway goes by a substitution or elimination reaction. SN2 / SN1 E2/E1 Na DMSO,rt...
(8 pts) For each reaction, predict what mechanism will account for the major product(s) formed and write (SN1, SN2, E1, E2 or N.R.) in the boxes provided. Explanations or drawings are NOT required. 4. а. Н-о Br heat b. OTs NaOEt НOE с. NaCl OTs DMSO d. CI CHон
describe each as Sn1, Sn2, E1 and E2 then draw a
curved arrow mechanism for each reaction.
NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
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
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
8. complete the following reactions. mention the type of
mechanism (SN1,SN2, E1, or E2) that each follows
8. Complete the following reactions. Mention the type of mechanism (SNI, SN2, E1 or E2) that each reaction follows. (4) (CHy)COH 100°C Br a) Cl Xiocn, NaOCH3 Heat CH3 b) Cl CH3ONa CH3OH,100°C CH3
6) Predict the major product in each of the following reactions and indicate if it came from an Sn1, S2, E1, or E2 reaction. H3C Br NaOme CH3 H2O H Br MeOH 'BUOK H Br DMSO H3C Br NaOme CH3 H20 MeOH H OTS ЕКОН
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
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