How might you accomplish the transformation shown below? (More than one step is required, and more than one correct answer is possible.) You do NOT need to show the mechanism, just the reaction chemistry. Br CH3 .../OH
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- Examine each reaction. Determine the mechanism (E1, E2, SN1, or SN2) for each reaction. SN1 E2 E1 SN2 CH2CH3 OocCHa)s CH2CH3 CH2CH3 А. Br major product Br DBU В. OOCH,CH, C. „Br Ooc(CH)a D.Draw a veasonable mechanism for this reaction that involves free radicals. hv DH cat. OH Ph Pn H,CShow Transcribed Text H₂, Pd/C, EtOH MeMgBr (excès) puis H3O+ Me₂CuLi, Et₂O puis H₂O+ Please draw the mechanism step by step ? ? ?
- Rank the following substrates in order from slowest Sy1 reaction to the fastest. Br -Br Br A в Enter the letters in order from slowest to fastest in the spaces provided below5. What is the major product of the following reaction? OH A) I B) || C) III D) all of the above E) none of the above H₂SO4 heat ||| LOSO3HProvide the mechanism of the reaction shown below. HO OH : NE13 UMGP, 2 HNET3
- The reaction shown can give two different mono-alkylation products depending on the conditions. Draw the kinetic and thermodynamic products of the reaction. 1. base Kinetic + Thermodynamic Products 2. CH3CH₂Br (1 equiv.) Draw the kinetic product. Draw the thermodynamic product. Select Draw Rings More Erase Select Draw Rings More Erase / ||| ||| C H O / || III C H O2. a. b. d. C. oFor each reaction, draw the product(s) and circle the mechanism(s). Include "major be and “minor" when necessary. Stereochemistry must be included for stereoselective reaction "No reaction" is a possible answer. Br Br ts Br CI ta ха но Br CH3ONa CH₂OH KSH acetone Br₂ hv CH3OH NaCN DMSO ser nongaholds zid) no baard E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X• E2 E1 SN1 SN2 X• E2 E1 SN1 SN2 X.OTS OTS 4) Consider the two E2 reactions above. KOtBu DMF heat KOtBu DMF heat a. What are the major products for each reaction? b. What is the mechanism for each reaction? c. Which reaction would be faster and why? Use words like "transition-state, intermediate and/or reactant/product stability" in your justification. Draw the reaction coordinate diagram for both to assist in your explanation.
- Determine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistr CH₂CH3 CI Br + CN d. + CH3COOH a. acetone + -OCH3 e. DMF f. b. C. ||||| a ||||| Br H Br CH2CH2CH3 + CH3OH DMSO H CH3 CI Br + OCH₂CH3 + CH3CH₂OHFor the reaction shown below, circle the major product obtained when the | reaction is allowed to reach equilibrium. Place a box around the product that is formed the fastest. а H2C= CI H-CI CIH2C CIH,C H3C CI CI `CH3 H2C CIH,C H;C CIConsider the intramolecular nucleophilic substitution reaction shown here. Does the stereochemistry of the product suggest an Sn1 or SŅ2 mechanism? Draw the complete mechanism for this reaction, including curved Br OH NaOH CH3 H3C CH3 Br H3C H arrows.