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(2 pts) Draw the major elimination products and Identify the mechanism responsible...
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...
please explain in detail. Thank you in advance . 1. Circle the mechanism (SN2, SN1, E2,...
please explain in detail. Thank you in advance .
1. Circle the mechanism (SN2, SN1, E2, or E1) responsible for the formation of each product in this reaction. If the product cannot be formed in the reaction, circle "not a product". (2 pts) CI CHE CH3 CHE CH3 осна SN2 SN1 E2 E1 S2 SN1 E2 E1 SN2 Sn1 E2 E1 SN2 SN1 E2 E1 not a product not a product not a product not a product 2. These reactions...
н.W. 10-E2, E1, Sn1 and Sn2 Each substrate undergoes E2 elimination with NaOCHs. Draw the ß-hydrogens,...
н.W. 10-E2, E1, Sn1 and Sn2 Each substrate undergoes E2 elimination with NaOCHs. Draw the ß-hydrogens, then draw each possible elimination product, and identify the major isomer. The first is shown as an example. Notice he base is a strong base which promotes 2nd order mechanisms Br Br major No need to draw all beta-hydrogens if they are equivalent. minor NaOCH Br Br Br Br
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
Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. Nato=CH₂ E2 ran Br major 2. Dr...
Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. Nato=CH₂ E2 ran Br major 2. Draw complete mechanism with arrows for the SN1/E1 mechanism. Check for carbocation rearrangements. CH3 SMI 애 + H₂O7
5. Predict the major organic products of the following reactions. Show all asymmetric carbons with wedgeldash...
5. Predict the major organic products of the following reactions. Show all asymmetric carbons with wedgeldash notation (i.e., as shown in the starting material). If a reaction produces a racemic mixture, show only one of the enantiomers produced. Carefully note the requested reaction mechanism for each reaction. (20 pts) NaOCH3 CH3OH SN2 Br CH3OH SN1 Br NaOCH3 CH3OH E2 Show Zaitsev product Br CH3OH Br E1
Identify the mechanism (S_N 1, S_N2, E1, or E2) responsible for the formation of the major...
Identify the mechanism (S_N 1, S_N2, E1, or E2) responsible for the formation of the major organic product in each reaction shown below.
With explanation please -- thanks! 9. (30 pts) Predict whether the following conditions would mainly proceed...
With explanation please --
thanks!
9. (30 pts) Predict whether the following conditions would mainly proceed via an SN2, SN1, E2, or E1 mechanism (write your answer into box on left). Draw the major product (including enatiomer wher appropriate) in each reaction and show stereochemistry (where appropriate). SN2, SN1 E1, or E2 conc.H2SO4 heat SN2, S1 E1, or E2 H2O SN2, SN1 E1, or E2 NaOEt EtOH, heat SN2, SN1 E1, or E2 v O-CF3 H. KOtBu D. H tBuOH...
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl...
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major...
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major product using the Zaitsev rule. Be OH El Reaction 3. What alkene is the major product formed from each alkyl halide in an El reaction? 4. Label the mechanism as SN2, SN1, E2 or El. You do not have to draw the product(s). CHO CH3-C-CH2-CH CH
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...
please explain in detail. Thank you in advance .
1. Circle the mechanism (SN2, SN1, E2, or E1) responsible for the formation of each product in this reaction. If the product cannot be formed in the reaction, circle "not a product". (2 pts) CI CHE CH3 CHE CH3 осна SN2 SN1 E2 E1 S2 SN1 E2 E1 SN2 Sn1 E2 E1 SN2 SN1 E2 E1 not a product not a product not a product not a product 2. These reactions...
н.W. 10-E2, E1, Sn1 and Sn2 Each substrate undergoes E2 elimination with NaOCHs. Draw the ß-hydrogens, then draw each possible elimination product, and identify the major isomer. The first is shown as an example. Notice he base is a strong base which promotes 2nd order mechanisms Br Br major No need to draw all beta-hydrogens if they are equivalent. minor NaOCH Br Br Br Br
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
Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. Nato=CH₂ E2 ran Br major 2. Draw complete mechanism with arrows for the SN1/E1 mechanism. Check for carbocation rearrangements. CH3 SMI 애 + H₂O7
5. Predict the major organic products of the following reactions. Show all asymmetric carbons with wedgeldash notation (i.e., as shown in the starting material). If a reaction produces a racemic mixture, show only one of the enantiomers produced. Carefully note the requested reaction mechanism for each reaction. (20 pts) NaOCH3 CH3OH SN2 Br CH3OH SN1 Br NaOCH3 CH3OH E2 Show Zaitsev product Br CH3OH Br E1
Identify the mechanism (S_N 1, S_N2, E1, or E2) responsible for the formation of the major organic product in each reaction shown below.
With explanation please --
thanks!
9. (30 pts) Predict whether the following conditions would mainly proceed via an SN2, SN1, E2, or E1 mechanism (write your answer into box on left). Draw the major product (including enatiomer wher appropriate) in each reaction and show stereochemistry (where appropriate). SN2, SN1 E1, or E2 conc.H2SO4 heat SN2, S1 E1, or E2 H2O SN2, SN1 E1, or E2 NaOEt EtOH, heat SN2, SN1 E1, or E2 v O-CF3 H. KOtBu D. H tBuOH...
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major product using the Zaitsev rule. Be OH El Reaction 3. What alkene is the major product formed from each alkyl halide in an El reaction? 4. Label the mechanism as SN2, SN1, E2 or El. You do not have to draw the product(s). CHO CH3-C-CH2-CH CH
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