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- QUESTION 4 Use the reaction shown below to answer questions 4-5. HO Reaction C Reaction D Consider the structural changes that take place during Reaction C and Reaction D. (Make a list of objectives.) Which fundamental mechanisms take place during Reaction C and Reaction D? Choose one mechanism for each reaction. O Reaction C: SN2 O Reaction C: SN1 O Reaction C: E1 (Zaitzev's rule) OReaction D: E1 (Zaitzev's rule) O Reaction D: E2 (Hofmann's rule) O Reaction D: E2 (Zaitzev's rule) QUESTION 5 но Reaction C Reaction D Consider the structural changes that take place during Reaction C and Reaction D and the fundamental mechanisms that you identified from the previous question. Fill in the boxes with the missing reagent that is required to complete Reaction C and Reaction D? Choose one reagent per reaction. O Reaction C: HCI O Reaction C: Cl2, heat O Reaction C: Pyridine, SOCI2 O Reaction D. KOC(CH3)3 O Reaction D. NaOCH2CH3 O Reaction D: HOCH2CH3Answer the question below the reaction. O4S H3C H3C H3C OH In the first step of the reaction mechanism, which of the following is formed? CH3 H3C CH3 CH3 + Excess NH4Cl OH CH3 (+) -OH2 CH 3 CH3 OH CH3 H₂SO₁ CH3 CI ха +H2OPlease refer to the reaction pictured below. Draw out the arrow pushing mechanism for the pictured reaction. 5 X-5 MeO + CHO Cr(CO)5 dioxane, 100 °C H OH H
- : Synthesis the followiong reactions (five only). Pt 1) Cyclohexyne 2H, (850-900)C 2) 3) CH,CH,CCCH, + H;0 2HBR 5) + Zn 6) + HFAnswer the question below the reaction. H3C H3C + H₂O In the first step of the reaction mechanism, which of the following is formed? 04S H3C OH H₂C + Excess NH4C1 CH3 CH3 OH CH3 CH3 CH3 -OH CH3 CH3 (+) .OH₂ H₂SO4 CH32. Fill the missing reagents or products for the incomplete reaction schemes shown below (only Reagent A or Reagent B will react in significant quantities). F (1 mmol) Reagent A (1 mmol) Reagent B (1 mmol) Major Product from Reagent A Major Product from Reagent B Explain the selectivity observed in this reaction using words and drawings. Br NaNH2 Br NH3, -35 °C Вrz, FeBr3 Draw the mechanism for the transformation shown above. Be sure to draw the important resonance structures that account for the regioselectivity observed in this reaction.
- QUESTION 2 Answer the question below the reaction. O + Excess NH4C1 +H₂O In the second step of the reaction mechanism, which of the following is formed? CH3 CI H₂C O CI H₂C O OH H₂C CH3 H₂C CH3 U 34 CH3 CH3 CH3 CH3 H₂SO4 CH3 CIWhat starting materials or reagents are best used to carry out the following reaction? .CI O HNO3, H2SO4 O C12, FeCI3 O CH3CH2CI, FeC13 O FeC13. H2S04, -78 degrees CelsiusSECTION 6: Show the mechanism of each reactions with arrows and intermediates form as in a. b. C. HBr Br₂ Cl₂, H₂O Br Br CI Br OH
