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- ! ( plz give reaction and its mechanism)5) Write the products possible for the following reactions. Write down whether the mechanism it follows is SN, SN², El or E2. (You don't have to write the actual mechanism). Ethanol a) b) Ô Br Bri A EIO ootOMe O OMe mechanism requires PdCl₂ (cat) A CUCI, O₂ H₂O
- 10. What is the major organic product generated in the reaction below? HO HO 40||!!!!!! (A) OH ...... (B) 1) 03 2) (CH3)2S HO O (C) H НО. (D)Chemistry HO -OEt HCI (catalytic) H₂O + EtOH Draw the arc arrow mechanism. Include all relevant free electron pairs, arc arrows, formal charges, structures of intermediates and by-products. Hint: the reaction starts with the protonation of alcoholPropose the reaction mechanism of the following reaction. H *.8 Heat ய்ரயம் FO
- 24. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IVWhat 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 ?Oxidation reactions can be used in multistep syntheses to produce new functionalities for use in subsequent reactions. Consider the following multistep reaction when you draw the structures in Parts 1 and 2 below. Please explain mechanism's fore the products I and 2 но PCC 1. NaH > Product l Product 2 Br CH,C!, 2. Step 1 Step 2 HO
- b. The following reaction occurs in pure sulfuric acid. Provide a reasonable mechanism oto C-OH H₂5oy Laat2. Give the complete mechanism for the following reaction: OOH 0=6 ROOR, heat3. Show the mechanism for the acid catalyzed addition of H2O to the following ketone. OH H20 CH3 H* 4. The scheme below shows the reaction of a ketone, 2-propanone with methanol. OH :0 : || CH,-C-CH3 : ОН + H CH, c-CH3 CH;-C-CH3 N step 1 step 2 step 3 P CH,OH CH3 CH,OH step 4 + H OCH3 CH,-C-CH3 H - H,0 C-CH3 ÓCH, S CH; step 7 step 6 step 5 OCH3 i) Write the missing structures (N, O, Q and R) in the above reaction scheme. ii) Name the class of compounds P and S belong to? iii) This is an acid catalyzed reaction. What does this statement mean? iv) Draw the arrow diagram in step 6 to show how intermediate R is formed? Write the equation for this step ONLY. v) Steps 3 and 7 involve loss of a proton from the intermediate ions. Why is this step necessary?