4:30 PM Sat Dec 2 ← Englis 11. OH ED H₂O i H₂SO4 Tt O LO J Provide a reasonable mechanism to account for the following transformation. @ 29% (
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- What is the predicted product of the reaction shown? ОТ O II O ||| O IV OV Н Na2Cr2O7/H2SO4/H2O IV || ОН ОН овог H V Ш OH ОНQ6. Fill in the blanks left in each of the following syntheses: Example: OH H Find the flaw(s): ОН H₂O* H CH3OH. Hº H ОН ОН H CO OCH3 0 MgBr NHANH2 КОН ОН оньсо H₂CO OCH; HQII: Give plausible mechanism for the following reaction: HCI Н ииии Он Н ииии CI + H mmCI ZnCl,
- What is the expected major product for the following reaction sequence? OH OH + enantiometr 01 00 0 || OIV OV OsO4 (cat.) NMO 애 OH + enantiomer 11 OH + enantiomer ||| IV مة HO OH31. Which mechanism is correct for the following intramolecular substitution reaction? (a) (b) (c) 4- H-N H H N: H H₂N N: он --مرح CI CI CI H H CI N: NaOH N: CI *H :OH -- NH NH CNH на он NH NHOIV OV What is the predicted product of the elimination reaction shown? IV OH HO conc. H2SO4 heat || V III
- owing reactions proceeds via an SN1 or SN2 of the reaction: (b) S2 pro85 39 Br tort atubong auonsV HMPAnoitutitadua3. 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?What is the predicted product of the reaction shown? ОТ O II ||| O IV OV OH OH 1. 2. 3. Na2Cr2O7/H2SO4/H2O Оз DMS н || ОН он ОН Ш ее юля О НО IV V ОН
- 20 ic ca Don 41 No To PER 23 V C Me 12. Predict the reactant. D Br o SOCI pyndase (only product .00CH_CH, QCH, THI querrinnrauto d21?ou31 13:41 -Byrne: Attempt 1 H20 HN. The product of this reaction is: A: + HN OH B: OH C: + HN OH D: OH OAb. The following reaction occurs in pure sulfuric acid. Provide a reasonable mechanism oto C-OH H₂5oy Laat