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![19.70 Draw a plausible mechanism for the following transformation:
NH2
[H2SO4]
NH2
(-H₂O)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b3a0e1c-a71c-43f9-a179-04d07bc4ab87%2Fa6f1e518-ae87-46a3-a1de-f2acb9eda262%2Fo4j1ic7_processed.png&w=3840&q=75)
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- Draw the main organic product formed in each of the following reactions: i NaOH (a) (b) O + H₂O OCH 3 OCH 3 + NH3 + CH3CH₂OH OCH3 HCI attach to this assignment.15.37 Write mechanisms that account for the products of the following reactions: موية OH HA (-H₂O) HA (b)Draw the main organic product formed in each of the following reactions: (a) (b) (c) + HNO3 / H₂SO4 O CI CI AICI 3 AICI3
- 19.69 Propose an efficient synthesis for each of the following transformations: (a) (b) (c) Br Br -C MeO OMe21.30 Identify the reagents necessary for each of the following transformations: (a) (b) CI Br CN OHDetermining the Regioselectivity of Opening an Epoxide Ring What product is formed when 2,2-dimethyloxirane is treated with each set of reagents: −OCH3 followed by H2O, or CH3OH and H2SO4?
- Propose a plausible mechanism for the following transformation: HO [H3O+] EtOH 19.55 The first three steps of the mechanism involve the formation of The first step is The second step is The third step is eTextbook and Media Save for Later Attem19.73 Propose an efficient synthesis for each of the following transformations: (d) OH -CN 0-0 Q-8" (e)Fill in the appropriate reagents for the following reaction:
- 19.54 Predict the major product(s) from the treatment of acetone with the following: (d) [H], (CH3)2NH, (-H2O) (e) [H], NH2NH2, (-H2O) (f) [H], NH2OH, (-H2O) (g) NaBH4, MeOH (h) RCO3H (i) HCN, KCN (j) EtMgBr followed by H₂O (k) (C6H5)3P=CHCH2CH3 (1) LIAIH, followed by H2O12.40 Propose a mechanism for the following reaction: Br OH NaH9.81 Identify the reagents represented by the letters a-c in the following scheme: Br 9.65 How would you synthesize the following substances starting from ben- zene? Assume that ortho- and para-substitution products can be separated. (a) p-Bromoaniline (b) m-Bromoaniline (c) 2,4,6-Trinitrobenzoic acid (d) 3,5-Dinitrobenzoic acid 9.66 Starting with either benzene or toluene, how would you synthesize the following substances? Assume that ortho and para isomers can be separated. (a) 2-Bromo-4-nitrotoluene (b) 2,4,6-Tribromoaniline (c) 3-Bromo-4-tert-butylbenzoic acid (d) 1,3-Dichloro-5-ethylbenzene