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- Alcohols, ethers, epoxides Maximum allowed tries per question: Unlimited TSOH appears in many of these questions. It is a strong acid. Whenever you have a mechanism under acidic conditions, you can draw H+ instead of the entire acid. (27) Draw a mechanism for this reaction. Each set of intermediates must be enclosed in a rectangle, each box must be connected to the subsequent one with a reaction arrow, and each box (except the final one) should contain curved arrows showing the movement of electrons in each step. Launch MarvinJSTM viewer or click image to copy source OH +HSynthesis: Show allof the reagents needed to transform the starting material on the left to the product on the right. You do NOT need to show the mechanisms for the reactions. (9 points) он "OH 18.(2) Draw the arrow-pushing mechanism of the following reaction: (10 pts) 1) AlCl; CI 2) H2O
- 17. Determine the mechanism(s), SN1, SN2, E1 or E2 for the following reaction. Show the step-wise mechanism(s) and determine the product(s). Indicate major product if one is present. Include stereochemistry at stereogenic centers if any are present. (3 products) KOH THF 18. Determine the mechanism for the following reaction (SN1, SN2, E1, or E2). Show the step-wise mechanism and product(s). Determine the major product if one is present. (3 products) OH H₂SO4Match the correct reaction mechanism (El or Sn1) with each reaction scheme. O Hold and drag to reorder 1. = E1 2. = E1 = SN1 = SN1 = E1 = SN1 OH 1) H2SO, CI H20 Br MEOH OH H,PO4. 3. 4.What is the organic product formed in the following sequence of reactions? Br (1) Mg/ether, (2) CO₂ HOCH₂/H* (1) DIBAL-H, toluene, -78°C heat (2) H*(aq) (3) H*(aq) II H III IV de "a H H I ?
- 7 2233 b) Br Br → 2 Br. Br. entt wollot Florition #live DOFDAY Wn't sonic. 6. (6 pts) Draw stepwise mechanisms for the reactions below. Use appropriate curved arrows to show all bonds broken and formed, and draw all intermediates with appropriate charges. (3 pts each) a) Br2 Draw initiation and both propagation steps: OH мон H₂SO4 heat → SAY hv + H₂SO4 HBr d. + H₂O + - Br 10. DOY + HBr Section + Br-Br→→ X Br No + HBr + Br Chemistry 88, No. 3 (2016) Esc Tab Cap Shif CtrlSECTION 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(63) For the following is a 3-step synthesis problem, you are given: the Starting Material and the Product; a scheme of the expected conditions/intermediates and a list of 21 possible conditions and intermediates. Put the correct conditions/intermediates in the correct order to achieve this transformation.
- Propose the reaction mechanism of the following reaction. 32. Propose the reaction mechanism of the following reaction. + 1.8 Heat H intentQ15. Draw all the resonance forms of the cationic intermediate formed by the reaction of phenol (1) and the nitropium ion (2). Draw resonance forms for both para and meta attack? According to the stability of the resonance forms you drew, which attack is favoured? OH NO2 19:52 PM Tue May 10 88 HW6-2 - HW6-2 203+HE+5+Key 3. Which of these two reactions would go better? Why? HOCH3 CH3CH2CH2CI CHCH,CH20CH3 NaOCH3 CH3CH2CH2CI CH3CH2CH2OCH3