Questions 1) Consider the two reactions below. 1) NaOH 2) Reaction A H 요요 H 3) H3O+ Reaction B H 1) LDA 2) H 3) H3O+ a) Draw the major product of each reaction. b) Propose a change in conditions that would make the substrate in Reaction B attack the same carbon atom as the substrate in Reaction A.
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- Question 9 Select the major product of the following reaction sequence. a) structure A structure B structure C O structure D CN OH 1) PBг3 2) NaCN, DMSO 3) H3O+ 4) SOC 2 5) NH3 excess NH₂ HO NH₂ NH2 b) d) c) OHOn a scrap piece of paper, draw the curved arrow mechanism for the following reaction. Once you have determined the major product, draw it in the space below. 1) Ph MgCl, Et₂O 2) NH,C, H,O4. An enzyme (acetoacetate decarboxylase) catalyzes the decarboxylation of acetoacetate. The mechanism has been studied extensively; concluding that the key bond-breaking step involves an enamine as a leaving group. Draw a curved arrow mechanism in the boxes below. Label the "iminium” and then "enamine" and then "iminium" as three consecutive intermediates in the mechanism. Note that the acid is stoichiometric PLUS catalytic. (Hint: acid-base involving oxygen should be drawn concerted with other steps) Enz (cat.) NH2 EnzAH EnzAH (cat.) O=U=0 Θ EnzA
- In Part 1 add the curved arrows to the nucleophilic acyl substitution reaction mechanism. In Part 2, answer the multiple-choice question about the reaction in Part 1. Part 1 See Periodic Table O See Hint :ö: :Br: Add the missing curved arrow notation. 20 F CI Br I Part 2 Which statement is most correct regarding the equilibrium for the above reaction? Choose one: O The equilibrium favors the right (i.e., Kea > 1) because acetate is a better leaving group than bromide. O The equilibrium favors the right (i.e., Keg > 1) because bromide is a better leaving group than acetate. O The equilibrium favors the left (i.e. Keg « 1) because acetate is a better leaving group than bromide. O The equilibrium favors the left (i.e., Keg« 1) because bromide is a better leaving group than acetate.Draw the organic product of the nucleophilic substitution reaction. Include all hydrogens atoms. CH³CH₂I + CH³CH₂O¯ Select Draw с Rings O H I More + Erase DShown below is a two-step mechanism beginning with nucleophilic attack of water, and subsequent deprotonation with a base. Draw the arrows for the mechanism for both step 1 and step 2 and draw the intermediate product of in the box. HH H-O OH H₂O B
- 027 In Part 1 add the curved arrows to the nucleophilic acyl substitution reaction mechanism. In Part 2, answer the multiple-choice question about the reaction in Part 1. Part 1 4 See Periodic Table O See Hint :0: :Br: Add the missing curved arrow notation. S CI Br Part 2 Which statement is most correct regarding the equilibrium for the above reaction? Choose one: O The equilibrium favors the right (i.e., Kea > 1) because acetate is a better leaving group than bromide. O The equilibrium favors the right (i.e., Kea > 1) because bromide is a better leaving group than acetate. O The equilibrium favors the left (i.e., Keq« 1) because acetate is a better leaving group than bromide. O The equilibrium favors the left (i.e., Keg 1) because bromide is a better leaving group than acetate. +Draw mechanism for the reactions below. Make sure to show all "electron-pushing" arrows, cond and lone pairs.Draw the most stable product formed in each of the reactions shown. Reaction (a) ich NaOEt, EtOH Draw the product of reaction (a). Rings Select Draw H More
- Please correct answer and don't use hendHello, I do not understand this questions and I am stuck. May I get help please?? Question: Draw the curved arrow mechanism for the following reactionQUESTION 6 6) Select a FALSE statement about the SN2 & E2 mechanisms for the reaction between an Alkyl Halide (RX) reactant and an anionic reagent that could act as Nucleophile (Nu") or Bronsted Base (B): A) There is NO involvement of reactive intermediates in either mechanism. B) E2 mechanism involves simultaneous loss of the halide and loss of a B-proton in one step C) SN2 mechanism involves stereospecific attack of nucleophile from the opposite side of the leaving group D) Both mechanisms have the SAME type of rate equation rate = k [RX] 4 O A OB ос OD 2 pa 2

