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4. For the following pairs of reactions, clearly circle the reaction you believe would occur foster Briefly, using...
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...
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF...
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF 2. H,, NaoH A) I B) II C) III D) IV E) V 6. The reaction between 2-methyl-2-pentanol and HBr to yield 2-methyl-2-pentene is probably: A) an S1-type reaction involving the protonated alcohol as the substrate. B) an Sy2-type reaction involving the protonated alcohol as the substrate. C) an El-type reaction involving the protonated alcohol as the substrate. D) an E2-type reaction involving the...
By which mechanism would the following reaction proceed? please explain answer of why each is wrong or right. Thank you....
By
which mechanism would the following reaction proceed? please
explain answer of why each is wrong or right. Thank you.
acetone . + L + BUONa Buona acetone Br OSNI OSN2 Ο Ε1 O E2 OSN1 and E1
4) For each of the following reactions, indicate whether the reaction would work well. poorly, or...
4) For each of the following reactions, indicate whether the reaction would work well. poorly, or not at all. In such cases that you predict no production of the indicated product, formulate alternative products. Cl CN HCN H3C-OH NaOH acetone H3CnYCH3 Br OH 40°C CH3 Nal CH3 H3C HaC DMF CH3 CH3
1. Consider the following substituted alkanes. Indicate if the molecule would prefer to undergo an SN1...
1. Consider the following substituted alkanes. Indicate if the molecule would prefer to undergo an SN1 reaction, an reaction, BOTH S1/E1 or neither: -BOK 2. Briefly explain why you selected what you did for question 1a, 1b, and 1c. 3. Provide the missing reactant(s) or product(s) as necessary for the following Sy1 reactions. Be sure to use wedges/dashes to indicate stereochemistry where relevant. осн. HOCH,CH, heat 4. Draw the complete mechanism for the following reaction. Include all lone pairs, formal...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what effect on the reaction rate would result from simultaneously doubling the concentrations of both butyl bromide and hydroxyl ion No effect (B)It would double the rate (C)it would increase the rate six times (D) It would increase the rate four times. 2. Which alky halide would you expect to undergo SN1 hydrolysis most rapidly? (A) (CH3)3C-I (B) (CH3)3C-Br (C) (CH3)3C-Cl (D) (CH3)3C-F 3....
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
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...
5. Which product(s) would you expect to obtain from the following sequence of reactions? 1. BH-THF 2. H,, NaoH A) I B) II C) III D) IV E) V 6. The reaction between 2-methyl-2-pentanol and HBr to yield 2-methyl-2-pentene is probably: A) an S1-type reaction involving the protonated alcohol as the substrate. B) an Sy2-type reaction involving the protonated alcohol as the substrate. C) an El-type reaction involving the protonated alcohol as the substrate. D) an E2-type reaction involving the...
By
which mechanism would the following reaction proceed? please
explain answer of why each is wrong or right. Thank you.
acetone . + L + BUONa Buona acetone Br OSNI OSN2 Ο Ε1 O E2 OSN1 and E1
4) For each of the following reactions, indicate whether the reaction would work well. poorly, or not at all. In such cases that you predict no production of the indicated product, formulate alternative products. Cl CN HCN H3C-OH NaOH acetone H3CnYCH3 Br OH 40°C CH3 Nal CH3 H3C HaC DMF CH3 CH3
1. Consider the following substituted alkanes. Indicate if the molecule would prefer to undergo an SN1 reaction, an reaction, BOTH S1/E1 or neither: -BOK 2. Briefly explain why you selected what you did for question 1a, 1b, and 1c. 3. Provide the missing reactant(s) or product(s) as necessary for the following Sy1 reactions. Be sure to use wedges/dashes to indicate stereochemistry where relevant. осн. HOCH,CH, heat 4. Draw the complete mechanism for the following reaction. Include all lone pairs, formal...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
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