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- For each of the reactions shown below, provide if the mechanism goes through an SN¹, SN², E1, or E2 in the box provided. Me, Br Me. Me NaOCH₂CH3 Et₂O Br MeOH Me CI Br ti MeOH MeONa MeO Me OMe ...Me ta Answer Here Answer Here Answer Here Answer Here Me, OH Me Me CI Me I Me Me MeOH NaOCH3 THE NaH H₂O MeQ Me Me Me Me Me Me Answer Here Answer Here Answer Here Answer HereHO. Provide a detailed, step-by-step mechanism for the reaction shown below. Br₂ Br HBrThe following three-step reaction was carried out on an unknown reactant to produce a product with the molecular formula C6H13BrO. The proton NMR of the product is also shown below. Using this NMR and your knowledge of these reaction conditions, draw the product of the reaction and the unknown organic reactant.
- 2) Draw a plausible mechanism for the following reaction by using the guidelines, the template, and the instructions below. N H H3O+ H H₂N H 0: H • 14 H H + H H HIf the above reaction was done with chlorine instead of bromine, how many productscould form (include stereoisomers)? Show all possible products.H₂C H H₁C Br NBS CH, CH₂ CC, hv **You may assume that Br-Br is formed by a side reaction that occurs (which we discussed in class). This is useful for one of the steps of the mechanism.
- A student runs the reaction shown here and obtains the 'H NMR spectrum shown. Determine the product of the reaction and draw the complete, detailed mechanism of the reaction. 1. excess CHI 3.4 3.3 ? ? NH2 2. Ag20 3. Д 10 9 8 7 6 3 2 1 Chemical shift (ppm)Would these be the correct mechanism arrows for this reaction?I H Ph Br In an E2 elimination reaction, the leaving group and the hydrogen atom must be anti-coplanar for this concerted reaction to occur. ||| Identify which of the following structures has the hydrogen atom and the leaving group aligned anti-coplanar. CH3 Ph Ph H TI F H || OH H Ph H CH3 CH3 Br Ph Br A) I B) II C) III
- The following reaction, which converts a cyclic ether into a diol, is discussed in Chapter 8. It consists of the three elementary (i) ©OH2 H + H2O steps shown. For each step (i–iii), (a) identify all electron-rich sites and all electron-poor sites, (b) draw in the appropriate curved arrows to (ii) show the bond formation and bond breaking that occur, and (c) name the elementary step. + H20 НО OH, (iii) НО .H + H2O НО ОН H %233) Consider the chemical transformation below. RCO3H a) Predict the major product of the reaction by drawing it in the space above. b) Provide an explanation for how mass spectroscopy could be used to confirm that the substrate was successfully transformed into the product. c) Provide at least one piece of 1H NMR evidence and one piece of 13C NMR evidence that you could use to confirm the substrate was successfully transformed into the product.As the question below will deal with an alcohol, briefly explain what will happen and why it will happen if a Grignard reagent is added to a solution of an alcohol. Now consider the reaction below, which was reported in the literature recently. You will determine the mechanism of this reaction. “Ph” means phenyl, which is just a monosubstituted benzene ring.