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- Para çi (G) + Noa E H NOa Because of electr Substituton Para and ortho the favored pOsitio Stable VI. Draw the two possible intermediates for the attack of the nitronium ion on naphthalene including the important resonance structures. Which position is favored? Why? 28 Ahayden 12Current Attempt in Progress What would be the major product obtained when trans-1-bromo-3-methylcyclopentane is allowed to react with NaSH at 25°C? SH H3C SH H3C WH H H₂C 01 I Oll OIV H H₂C SH II O Equal amounts of I and II O III Save for Later Hill III iller IV H Br Attempts: 0 of 2 used Submit AnswerWhich of the following reactions will not yield a carboxylic acid as a product? он (B) owool CrO3/H,0 (1) Oz/CH;Ch, -78°C (1) Mg, ether, A (A) Br (C) (2) H20 (2) CO2 (3) H* (dil /H¿O он H* /H2O A (D) Reaction D Reaction A Reaction C
- Enolates react with a B-unsaturated ketones to afford the 1,4-addition product. What is the expected product A for the following reaction sequence? NaOEt EtO OEt ELOH *last picture 3/5 answer choices, not enough spaceChoose the expected final product (?) for the synthetic chain below: :0: H+ NH2 H₂O OA B O D (excess) B 15: C Pr₂CuLi Me2S-CH2 ? D OH oh oh ohWhat is the product when (2R, 3R)-2-bromo-2,3-diphenylpentane undergoes an E2 reaction with EtONa? ph Br X (A) H3C. Ph (C) Ph Ph 3 Ph CH₂CH3 (B) H₂C Ph = Ph CH₂CH3 CH3 Ph. Học Ph (D) H₂C CH₂CH3 Ph H CH₂CH3
- $ 14 4 O Macmillan Learning R LL Acid-catalyzed dehydration of cyclobutylmethanol proceeds via an El mechanism and gives two alkenes. One alkene is shown, draw the second alkene. Omit byproducts such as water. % 0 Q Search 5 G -ОН f6 6 H₂SO4 A Y & H 7 lopp 18 * ( 8 N + fg 3 Draw the other alkene. Select Draw Templates More 4 9 K ✔ O f10 O C H f11 112 Q2 Q Erase BANG & OLUFSEN insert 110.8 When 3,3-dichloropentane is treated with excess sodium amide in liquid ammonia, the initial product is 2-pentyne. HH CIH H H-C-C-C-C-C-H xs NaNH2 NH3 (1) HH CIH H HH H H H-C-C-CEC-C-H I I HH However, under these conditions, this internal alkyne quickly isomerizes to form a terminal alkyne that is subsequently deprotonated to form an alkynide ion. HICH HH H-C-C-CEC-C-H HH xs NaNH2 NH3 (1) HHH H-C-C-C-CEC-H HHH xs NaNH, NH3 (1) HHH III H-C-C-C-CEC: III HHH The isomerization process is believed to occur via a mechanism with the following six steps: (1) deprotonation, (2) resonance, (3) protonation, (4) deprotonation, (5) resonance, (6) protonation. Using these six steps as a guide, try to draw the mechanism for isomerization. Explain why the equilibrium favors the terminal alkyne.What is the product when (2R, 3R)-2-bromo-2,3-diphenylpentane undergoes an E2 reaction with EtONa? ph Br X (A) H3C, Ph (C) Ph Ph 3 Ph CH₂CH3 (B) H₂C Ph CH₂CH3 CH3 Ph. (D) H₂C Ph R CH₂CH3 Ph Ph Á CH,CH H