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5. (10 pts) Predict the major product (including stereochemistry if important) of each of these substitution...
(10 pts) Predict the major product (including stereochemistry if important) of each of these elimination reactions....
(10 pts) Predict the major product (including stereochemistry if important) of each of these elimination reactions. Indicate whether E1 or E2. 4. H2о 95°C КОН Br 85°C Br
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
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...
For the following substitution reactions predict the products showing stereochemistry only if is of relevance. Also...
For the following substitution reactions predict the
products showing stereochemistry only if is of relevance. Also
comment on what type of reaction: Sn1 or Sn2. Finally is the
starting material and product optically active or inactive?
Explain.
CH3CH2CH3 НО HBr CH-Br НЫС
(a) For each substitution reaction, circle whether it proceeds by an Sy1 or S 2 mechanism....
(a) For each substitution reaction, circle whether it proceeds by an Sy1 or S 2 mechanism. (1.5 pts) (b) Draw the major organic product for each reaction. Be sure to indicate the appropriate stereochemistry, where necessary (1.5 pts) 2. NaCN S1 or S 2? Br THF SN1 or Sy2? но CH3 Hас, SN1 or SN2? CH,он
Write the major substitution product(s), and state whether sn1 or sn2. Clearly show all stereochemistry. Assume...
Write the major substitution product(s), and state whether sn1 or
sn2. Clearly show all stereochemistry. Assume stoichiometric amount
used (i.e., 1 equivalent) unless otherwise indicated.
Chem 204 Chanter 11 Exercises (Nusleophilic Substitution versus Elimination) Ο διοι Score: --- 10 Write the major substitution product(s), and state whether Ssl or S2. Clearly show all stereochemistry. Assume stoichiometric amount used (Le., I equiv) unless otherwise indicated. istyong hantuophile CHxBr + CH3- minan con IC-ö-CH3 H-C=C-CH,Br + - HO 1 .. 11 C20-0-0-0...
3. Predict the major product (only one product) in each of the following reactions and indicate...
3. Predict the major product (only one product) in each of the
following reactions and indicate the type of mechanism.
3. Predict the major product (only one product) in each of the following reactions and indicate the type of mechanism. (3 pts; no partial point) Mechanism Sn2 Sn1 HO HBr moy ng heo 0°C, H2O E2 E1 Mechanism Sn2 Sn1 H2SO4 E2 E1 Mechanism HBr SN2 Sn1 rt, H20 E2 E1 OH
Write the major substitution product(s), and state whether SN1 or SN2. Clearly shows all stereochemistry. Please check...
Write the major substitution product(s), and state whether SN1 or
SN2. Clearly shows all stereochemistry. Please check the ones I
already have.
1. Write the major substitution product(s), and state whether Syl or S2. Clearly show all stereochemistry. Assume stoichiometric amount used (ie, 1 equiv) unless otherwise indicated. CH,Br + CH-0 SN2 becauic strong nudleophile primary carbon H-C=C-CHBr + -C=C-H SN 2 becaure primary carbon NH Excess H,C-CH2-Br+ NH3 SN2 because it's a primary courbon OTS (NO Matter ip it's...
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. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the...
8. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the stereochemistry. No mechanism required! (3 points for each organic product, switching the major and minor will be penalized) a. Major: NaOCH; E2 Br b. Major Minor OH E2 Br 3 products in total CH,OH ΕΙ 6. 19 pts] For each of the following reactions, give the organic product(s), and include the stereochemistry when applicable. No mechanism required! (3 points for each organic product) a....
(10 pts) Predict the major product (including stereochemistry if important) of each of these elimination reactions. Indicate whether E1 or E2. 4. H2о 95°C КОН Br 85°C Br
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
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...
For the following substitution reactions predict the
products showing stereochemistry only if is of relevance. Also
comment on what type of reaction: Sn1 or Sn2. Finally is the
starting material and product optically active or inactive?
Explain.
CH3CH2CH3 НО HBr CH-Br НЫС
(a) For each substitution reaction, circle whether it proceeds by an Sy1 or S 2 mechanism. (1.5 pts) (b) Draw the major organic product for each reaction. Be sure to indicate the appropriate stereochemistry, where necessary (1.5 pts) 2. NaCN S1 or S 2? Br THF SN1 or Sy2? но CH3 Hас, SN1 or SN2? CH,он
Write the major substitution product(s), and state whether sn1 or
sn2. Clearly show all stereochemistry. Assume stoichiometric amount
used (i.e., 1 equivalent) unless otherwise indicated.
Chem 204 Chanter 11 Exercises (Nusleophilic Substitution versus Elimination) Ο διοι Score: --- 10 Write the major substitution product(s), and state whether Ssl or S2. Clearly show all stereochemistry. Assume stoichiometric amount used (Le., I equiv) unless otherwise indicated. istyong hantuophile CHxBr + CH3- minan con IC-ö-CH3 H-C=C-CH,Br + - HO 1 .. 11 C20-0-0-0...
3. Predict the major product (only one product) in each of the
following reactions and indicate the type of mechanism.
3. Predict the major product (only one product) in each of the following reactions and indicate the type of mechanism. (3 pts; no partial point) Mechanism Sn2 Sn1 HO HBr moy ng heo 0°C, H2O E2 E1 Mechanism Sn2 Sn1 H2SO4 E2 E1 Mechanism HBr SN2 Sn1 rt, H20 E2 E1 OH
Write the major substitution product(s), and state whether SN1 or
SN2. Clearly shows all stereochemistry. Please check the ones I
already have.
1. Write the major substitution product(s), and state whether Syl or S2. Clearly show all stereochemistry. Assume stoichiometric amount used (ie, 1 equiv) unless otherwise indicated. CH,Br + CH-0 SN2 becauic strong nudleophile primary carbon H-C=C-CHBr + -C=C-H SN 2 becaure primary carbon NH Excess H,C-CH2-Br+ NH3 SN2 because it's a primary courbon OTS (NO Matter ip it's...
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. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the stereochemistry. No mechanism required! (3 points for each organic product, switching the major and minor will be penalized) a. Major: NaOCH; E2 Br b. Major Minor OH E2 Br 3 products in total CH,OH ΕΙ 6. 19 pts] For each of the following reactions, give the organic product(s), and include the stereochemistry when applicable. No mechanism required! (3 points for each organic product) a....
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