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10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major...
10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK -. NH3 1. pH 5, NaCNBH3 2. NH NH2, heat =: 1. NaCN iv Br 2. LiAIH4, ether 3. H2O OTS 1. NaNz 2. LIAIH4, ether 3. H2O (Ts= para-toluenesulfonyl)
10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK .- NH3 1. pH 5, NaCNBH3 2. NH2NH2, heat OTS ii 1. NaCN iv Br 2. LiAIH4, ether 3. H20 1. NaN3 2. LiAIHA, ether 3. H20 (Ts= para-toluenesulfonyl)
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK - NH3 iii 1. O pH 5, NaCNBH3 2. NH NH2, heat ii 1. NaCN Br iy 2. LiAlH4, ether 3. H20 OTS 1. NaN, 2. LiAlH4, ether 3. H2O (Ts= para-toluenesulfonyl) i ii iii ✓iv
8. Write the product of the following reactions: [2x6=12] Br (1) NaNz (2) LiAIH (3) H2O* obvioblastod Br (1) NaCN (2) LiAIHA (3) H30 (b) NaNO2, HCI - I (c) H NH₂ (d) co, CHANH + CH3NH2 + bi- o-Nitroaniline 1. NaNO2, HCI, H2O 2. CuCN
4. Synthesis Reactions. Draw the feature product of the following reactions. (8 x 3 pts) 1. Mg Ph Br 2. CO2 3. H+ 1. NaOH, ANH, 1. NaOH, CANADA ? 2. Lialla NH2 2. LiAIH4 CH3CH2NH2, NaBH3CN, H+ c. PhD Br (excess) CNH LB (excess) NaOH H+ YO- OH . H' CH3 1. NaOH, H2O NH - 2. H+ 1. NaOH, H2O 2. SOCI . N(CH3)2 HO فه H2NCH3 OCH3
For the following reactions, predict the MAJOR product(s). If a pair of enantiomers is expected, draw both enantiomers. NaSH Cis-1-bromo-3-methylcyclohexane acetone OTs 1. NaI/acetone 2. NaCN/DMF CH3 NaCN H,с. Br CH3 Бшн.
4. Synthesis Reactions. Draw the feature product of the following reactions. (8 x 3 pts) 1. Mg Ph Br 2. CO2 3. H a "NH2 Ph 1. NaOH, CI 2. LAIH b. CHỊCH NHA NaBHgCN, H+ Ph C. Br (excess) NH d NaOH H HO OH H CH e. 1. NaOH H2O NH 2. H+ o= 1. NaOH H2O 2. SOCI N(CH3)2 3 HO
Question 31 es Which of the following reactions would produce a primary amine as the major product? (Select all that apply if more than one o 0 1 КОН 1. LAHA NH, NH 2. H.O 3. H2NNH. ETOH II INI 2 La 0 - NH Liam Bry, NaOH 1. NaN, 2 heat 1 2 NaOH HO IV CI H20 3.H20 VI v GV v B IV HII
For each reacuon ere s only as an aid for you. 1) KOH, H-O, heat Diethyl malonate B 1) Ph3P, ether 2) nBuLi, ether CIH1204 2) H, H2O, heat C1SH2406 CHH1202 NaOEt, EtOH Br OCH2CH3 3) PHCHO NH/heat Note: The C-13 NMRS for Structures C, D, and E each show 7 resonances LIAIH D E C1HNO ether C1H1SN Br 1) SOCI2, pyridine F 2) CH3OH 1) CH2COCI,AICI3 1) Mg(s), Et20 H 2) diisopropyl amine, pH 4.5, NaBH3CN 2) CO2 (s)...
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: i 1. NaBH, MOH 2. H, H2O 3. conc. H2SO4, heat 1. LiAlH4, THE 2. H, H2O 3. MSCI, Pyr, 0 °C 1. SOCI, EIN -D 2. LAIH, ether 1. Li, hexane 2. i . THE 3. acidic work-up Jone's reagent ОН OH 1. PBT 2. NaCN, THE PH conc. H2SO4 NaCl 0°C conc. HBO OH heat