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- Identify the missing reactants/reagents or product in each of the following reactions, Figure 3. OH (i) NaCI + H. CN racemic mixture 2 ΗΝM C9H11NO + CI NH2Me2 Ph D E (ii) ELOH OEt ONa Но (iv) C7H1402 H20 + HO, H2SO4 catalyst F Figure 3 Discuss the mechanism for any two of the reactions in Figure 3.Consider the following reaction. HBr (aq) G + H + K HO. F1 1 product F2 a) Provide the structures of products G, H and K. b) Which will be the major reaction product? Explain. c) Which of the substrates, F1 and F2, is more reactive? Explain. d) Provide reaction conditions L to obtain a single reaction product from F2. Explain.5. Draw the organic products formed in the following reactions. az vo 2169 snol mo 40-60 g a. b. N [1] LIAIH4 [2] H₂O odior hobnod noitibbs, ogrob [1] Mg Br [2] Å quore [3] H3O+ C. O OH Isprie [1] TBDMS-Cl, imidazole [2] CH3Li [3] H₂O [Indicate stereochemistry.] quong griynol is dit bruggmos lynddisa vesi tuontiv d. of enousNaBH42 OCH3 CH3OH
- What is (are) the major organic product(s) obtained from the following reaction? 1. OsO4 2. NaHSO3 H2O O (2R,3R)-butanediol O (2S,3S)-butanediol O meso-2,3-butanediol O Racemic mixture of (2R,3R)-butanediol and (2S,3S)-butanediolPredict the reagent(s) needed to produce this product(s). H. O O A B C D E 1. Os04 (catalytic) 2. NMO 1. OsO4, H2O 2. NaIO4 3. Na2S2O3, H₂O 1. KMnO4, OH¯ (warm) 2. H3O+ 1. mCPBA 2. H3O+ mCPBA Done1. Write the correck IUPAC nemes Far the Foilawing organic comPounds: Br CH3 H3C 8. Assign E an or Z configuration bi CI 2. CidssiFy the Following reagents cs either nucleaphiles or e lectraph:les: Zn, CH3NH2, HS, OHa, CH3COOH, HoSO 3. Whet are the products obtained From the addition of HBr to each of the falbuing compounds? CH3 a) + HBr > CHo +HBr- 2.
- 10. Provide the major organic product of the first step of the reaction shown? NH₂ 1) xs CH₂I 2) Ag₂O, A at27. Which of the following is the best method for preparing CH3Br? A) CH3OH + Br- B) CH3OH + HBr C)CH3OH + Br2 D) CH3OH + NaBr E) CH3OH + Br+ 28. When 1-pentanol is heated with HCl/ZnCl2, 1-chloropentane is the major organic product. This reaction proceeds through an is produced as a byproduct. mechanism, and A) SN1, H2O B) SN2, H2O C) SN1, H2 D) SN2, H2 E) E2, H2 29. What is the major product of the following reaction? CH3 CH37 A. E. C CH 3 OH CH 37 CHCH3 + HBr CH 37 CH3Br II C CHCH3 CH 3 CH 3 CH 3 C CH2CH3 CH2Br CH3 Br heat B. -CH2CH2CH3 CH 37 CH3 -CH2CH2 CH3 Br C. CH 37 CH 3 C -CHCH 3 Br CH3 D.27. Which of the following is the best method for preparing CH3Br? A) CH3OH + Br- B) CH3OH + HBr C)CH3OH + Br2 D) CH3OH + NaBr E) CH3OH + Br+ 28. When 1-pentanol is heated with HCl/ZnCl2, 1-chloropentane is the major organic product. This reaction proceeds through an is produced as a byproduct. mechanism, and A) SN1, H2O B) SN2, H2O C) SN1, H2 D) SN2, H2 E) E2, H2 29. What is the major product of the following reaction? CH3 CH37 A. E. C CH 3 OH CH 37 CH 37 CHCH3 + HBr CH 37 CH3Br | C -CHCH3 CH 3 CH 3 C--CH2CH3 CH2Br CH 3 Br heat B. -CH2CH2CH3 CH 37 CH3 C -CH2CH2 1 CH 3 Br C. CH 37 CH 3 C -CHCH 3 Br CH3 D.
- 2. Give the mechanism and products for the reaction below. 1. `MgBr 2. H + 3. Н. Н.о5. Provide all of the possible products for the substitution reactions below. When applicable, indicate the kinetic and the thermodynamic product of the reaction. Don't worry about stereochemistry. H20 HCI а. с. Br NaOMe ELOH b. d.Select the reagent(s) necessary for the given step of these synthesis pathways: Reagents available a. CH3 CH2 COCi f. PB33 b. C6 H5 COCI g. Mg, ether c. AlCl3 h. H2SO4, conc d. NaBH4, ethanol i. SOCI2 e. Н,SO4, dil j. C6H5 CN Scheme 1: он Br CH3 CHa CH3 MgBr CH3 C-H CH,CH3 но CH2CH3 Step 2 : Previous Next Step 7: