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1. For the following reactions, show the major organic product(s) in the box provideed. Make sure...
For the following reactions fill in the box with the missing major organic product. Make sure...
For the following reactions fill in the box with the missing major organic product. Make sure to include stereochemistry when appropriate. If a reaction affords a mixture of enantiomers draw only one enantiomer. In the space below the reaction draw a detailed arrow pushing mechanism for that reaction.
Complete the following equations by drawing the structure of the product(s) of the reactions, or the...
Complete the following equations by drawing the structure of the
product(s) of the reactions, or the missing reactant in the boxes
provided. Write the mechanism typw (SN1, SN2,
E1, or E2) in the box provided below each arrow.
C. HBr (1 Equivalent)_ d. Li NH3, -78 °C Show Stereochemistry e. Ph/ HCEC: DMSO H3C (Show Stereochemistry)
In the substitution reactions below, draw the major product in the box provided and indicate in...
In the substitution reactions below, draw the major product in the box provided and indicate in the small box whether the reaction is SN1, SN2, or neither. Be sure to show all stereochemistry. If more than one enantiomer is produced, write "+Enant" in the box with the product. [10] Product SN1/SN2/Neither NaCN Br DMSO NaOEt EtOH Br NaOMe MeOH NaOH Expensive Acetonitrile CH,Br DMF Nat
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n t...
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. NaCN DMF tBuOH 言言言 MeOH * | CH30 CH OH DMSO R-2-bromopentane
1. For each of the following reactions, provide the structure of the major organic product(s). Show...
1. For each of the following reactions, provide the structure of the major organic product(s). Show all the relevent stereochemistry clearly. who CH2OH reflux CH2CH3 Na SET Br DMSO, 20 °C I- A to CH2CH3 CH3 H- EtOH OTS 20 °C Me NaNH2 NH2 DMSO dilute solution of substrate 2. Complete each of the following reaction by providing reagents and conditions (solvent. temperature, concentration, etc.) so that the product shown will be the major one. Note: for c), two steps...
Question 2. (20 marks) In the reactions below, draw the MAJOR product in the box provided and indicate in the small box...
Question 2. (20 marks) In the reactions below, draw the MAJOR product in the box provided and indicate in the small box whether the reaction is Sn1, S2, E1 or E2. Be sure to show all necessary stereochemistry. If more than one enantiomer is produced, write "+En" in the box with the product. Product Sy1/S2/E1/E2 H2SO4 Heat OH HC (44) OH NaOH NaCN DMSO, Cold NaOtBu Page 3 of 11
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...
please explain why and how they are E2/SN2/SN1/E1 3. Draw a structural formula for the major organic product(s) of e...
please explain why and how they are E2/SN2/SN1/E1
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, S2, El, or E2). • NaOH H20 CH,CH ON CH,CH OH CH ON CH,OH CH OH Na DMSO
10) Write out the following reactions giving the major organic products, showing the proper regiochemistry and...
10) Write out the following reactions giving the major organic products, showing the proper regiochemistry and stereochemistry where needed. Give a complete electron (arrow) pushing mechanism under the reactions where asked to do so. Label all appropriate mechanisms as SN1, SN2, El or E2 a. trans-2-methylcyclopentanol with HCI. (Give a mechanism) b. trans-1-bromo-2-methylcyclopentane with a methanolic solution of AgNOs. c. iodoethane with sodium cyanide (Na CN). d. 1,2-dimethylcyclobutanol with concentrated sulfuric acid at 95 C (Give a mechanism) e. S-2-bromopentane...
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
For the following reactions fill in the box with the missing major organic product. Make sure to include stereochemistry when appropriate. If a reaction affords a mixture of enantiomers draw only one enantiomer. In the space below the reaction draw a detailed arrow pushing mechanism for that reaction.
Complete the following equations by drawing the structure of the
product(s) of the reactions, or the missing reactant in the boxes
provided. Write the mechanism typw (SN1, SN2,
E1, or E2) in the box provided below each arrow.
C. HBr (1 Equivalent)_ d. Li NH3, -78 °C Show Stereochemistry e. Ph/ HCEC: DMSO H3C (Show Stereochemistry)
In the substitution reactions below, draw the major product in the box provided and indicate in the small box whether the reaction is SN1, SN2, or neither. Be sure to show all stereochemistry. If more than one enantiomer is produced, write "+Enant" in the box with the product. [10] Product SN1/SN2/Neither NaCN Br DMSO NaOEt EtOH Br NaOMe MeOH NaOH Expensive Acetonitrile CH,Br DMF Nat
3. For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill n the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. NaCN DMF tBuOH 言言言 MeOH * | CH30 CH OH DMSO R-2-bromopentane
1. For each of the following reactions, provide the structure of the major organic product(s). Show all the relevent stereochemistry clearly. who CH2OH reflux CH2CH3 Na SET Br DMSO, 20 °C I- A to CH2CH3 CH3 H- EtOH OTS 20 °C Me NaNH2 NH2 DMSO dilute solution of substrate 2. Complete each of the following reaction by providing reagents and conditions (solvent. temperature, concentration, etc.) so that the product shown will be the major one. Note: for c), two steps...
Question 2. (20 marks) In the reactions below, draw the MAJOR product in the box provided and indicate in the small box whether the reaction is Sn1, S2, E1 or E2. Be sure to show all necessary stereochemistry. If more than one enantiomer is produced, write "+En" in the box with the product. Product Sy1/S2/E1/E2 H2SO4 Heat OH HC (44) OH NaOH NaCN DMSO, Cold NaOtBu Page 3 of 11
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...
please explain why and how they are E2/SN2/SN1/E1
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, S2, El, or E2). • NaOH H20 CH,CH ON CH,CH OH CH ON CH,OH CH OH Na DMSO
10) Write out the following reactions giving the major organic products, showing the proper regiochemistry and stereochemistry where needed. Give a complete electron (arrow) pushing mechanism under the reactions where asked to do so. Label all appropriate mechanisms as SN1, SN2, El or E2 a. trans-2-methylcyclopentanol with HCI. (Give a mechanism) b. trans-1-bromo-2-methylcyclopentane with a methanolic solution of AgNOs. c. iodoethane with sodium cyanide (Na CN). d. 1,2-dimethylcyclobutanol with concentrated sulfuric acid at 95 C (Give a mechanism) e. S-2-bromopentane...
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
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