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7. Which of the following amines cannot be made by reduction of a nitrile? PhCH NHA...
Thanks! B) Ph No Se, 2) NaOH, H2O Questions Practice o which of the following amines cannot be made by PhacHNH. reduction of a nitrile? B. C. EENH, (CHE, CH CH. NHA me, C CHaNha PHCH₂ Nt which one of the following compounds will show the 'H-NMR spectrum? most downfield shift on its ochy E) (CH₂) u Si B) CHCIS () CH₃ CL Alccly
6. Which one of the following series of reactions does not produce a primary amine? 1) LIAIH4 (excess) 1) Fe, HCI, H20 1) LiAIH4 (excess) A) PhCN B) PhNO2 C) PhNHCCHg 2) H20 2) NaOH, H2O 2) H20 H2, Raney-Ni NaOH, H2O, heat D) PhCHENH E) PHNHCCH o 7. Which of the following amines cannot be made by reduction of a nitrile? PhCH2NH2 ENH2 (CH3)2CHCH2NH2 Me3CCH2NH2 А B D PhCHNH, E
Which one of the following series of reactions does not produce a primary amine? Which one of the following series of reactions does not produce a primary amine? O 1) LiAIH4 (excess) 1) Fe, HCl, H20 NaOH, H2O, heat A) PhCN B) PHNO2 C) PhNHCCH 2) H20 2) NaOH, H2O H2, Raney-Ni O E) PUNHCCH3 1) LIAIH4 (excess) D) PhCH=NH 2) H20 Which of the following amines cannot be made by reduction of a nitrile? Ph2CHNH2 EtNH2 (CH3)2CHCH2NH2 Me3CCH2NH2 A...
Amines can be made by the reduction of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis of 3-methylbutylamine (also known as isoamylamine). Do not show free ions. alkyl bromide nitrile isoamylamine NC 1.LAH 2.H,0 "NH2
Amines can be made by the reduction of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis of 3-methylbutylamine (also known as isoamylamine). Do not show free ions.
Which one of the following series of reactions does not produce a primary amine? O 1) LiAlH4 (excess) 1) Fe, HCI, H2O 1) LiAIH4 (excess) A) PhCN B) PhNO2 C) PhNHCCH? 2) H20 2) NaOH, H2O 2) H20 O H2, Raney-Ni NaOH, H20, heat D) PhCHENH E) PENHÖCH Which of the following amines cannot be made by reduction of a nitrile? PhCH2NH2 EtNH2 (CH3)2CHCH2NH2 Me3CCH2NH2 A B C D Ph2CHNH2 E
ab 43. Name the following amines and tell whether they are primary, secondary, or tertiary: a. CH3CH2CH2NCH CH3 c. CH CH CH NHCH,CHCHCH3 CHCH CH3 b. CH,CHCH NHCHCH,CHz NH CH3 CH d. 44. Which of the following conformers of isobutyl chloride is the most stable? CH, H H CH3 СІ CI H Н,С. H CH, CH3 H CH3 H СІ А H H B H с
Chem 208 Name: Test 3A May 1, 2019 Which of the following methods of preparation of amines can be used to prepare primary, secondary, and tertiary amines? (4 pts) a. b. Gabriel synthesis from an alkyl halide c. reduction amination of a ketone 7. reduction of a nitrile Hofman rearrangement of an amide d. e. None of these methods is applicable to all types of amines
4. Which one of the following compounds will not react with HC=CNa? MeBr PhCH Br Ph CHCH.Br PhBr A B С D CH2CHB E
DS-Chupane 13) 13) Which of the following cannot be made by the reduction of a ketone or aldehyde with NaBH in methanol A) 2-methyl-2-propanol 3) 1-butanol 2-methyl-1-propanol D) 2-butanol 14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 CH2C04 D) CH3MgBr, followed by HCI 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H1207 A) isobutyl alcohol B) butyl alcohol C ebutyl...