Both A and D
Since A is an example for sn1 Reaction and gives racemic mixture. Given one is retention product only hence wrong.
D is actually example for SN2 reaction and gives inversion of configuration.
Hence it also incorrect.
Question 4 1 pts Which of the following substitution reactions does NOT correctly indicate the expected...
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
With explanation please --
thanks!
2. (8 pts) Which of the following substitution reactions will readily take place as written? Indicate by circling YES or NO. . OET EtOH NaBr YES or NO YES or NO DMF NaSH BjTso Br HS Br YES or NO NaBr Br DMSO YES or NO DMF TSO = tosylate 20
Organic chem please help
3. Each of the following reactions gives a substitution product. Identify the major product in each case and indicate whether the reaction is likely to proceed via a bimolecular (SN2) or a unimolecular (SN1) mechanism. (8 pts) SO2CF3 Nal a) acetone CH3OH b) OMs 80% H2O CH3CH2OH c) Br NaCN DMF d)
1. Predict the major substitution product(s) for the following reactions. Include stereochemistry if appropriate. You may assume an aqueous workup is performed after each reaction. 1. Nah, DMF ТОН 2. Mel BrMg-Ph KCN 16 { ad ton ot MeOH HD Na Br Me DMSO EtOH Br ~ Br DMSO * Me OH LNH2 M HO Me-S (1 equiv) Me DMF
2. (1.5 pts) Label the following reagents as Good or Poor Nucleophiles AND as Strong or Weak Bases. OK Na SH 3. (1.5 pt) Predict the productts) of the following reactions, if there are multiple products indicate which, if any, is the major product. Be sure to clearly mark the stereochemistry of chiral carbon atoms and draw multiple products if there is more than one stereoisomer that forms. HCI MeOH H2SO H2 Pd/BaSO4 quinoline 4. (3 pt) For the following...
(5 pts) Which of the following reactions is expected to produce 1-propanol (CH3CH2CH2OH) at the faster rate? Explain. NaOH, HEO CI- CI OH NaOH, acetone OH CI- (9pts) Consider the following substitution reaction. Br NaCN w DMSO Determine if the reaction is Sn1 or Sn2. Explain your choice. Write the rate equation for the reaction. Clearly include the structures of compounds in the formula. Would the process occur at a faster rate if the concentration of NaCN was doubled?
CHE241/240 Assignment 2: SN2 and SN1 Name:Alexo.adio Hesker 1. Indicate whether the following substitution reactions will proceed by Sy or Sy? [3] Racemic NaCN DMSO 2. Draw a mechanism for the following Sy reaction? [3] SH + NaSH NASH - - NaBr + NaBt 3. Draw the transition state for the following Sy2 reaction? [3] 1. Indicate whether the following substitution reactions will proceed by SNP or Sn"? [3] MOH problemi CXCHANS H.0 NaCN DMSO 2. Draw a mechanism for...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...