Homework Answers
8)
This reaction is an example of Holfmann elimination reaction. In Holfmann elimination reaction Less substituted alkene is formed as major product.
Here OH and Br are meta to each other. So we have to do bromination before reduction of nitro group.
- NO2 is electron withdrawing group ( meta directing)
- NH2 is electron donating group ( ortho/para directing)
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8. What is the major product formed from the reaction shown? 1. CHẠI 2. Ag,0,H, A....
9. Select the reaction sequence that will produce the desired product. OH HNO3, H2SO4 1.Sn, HCI...
9. Select the reaction sequence that will produce the desired product. OH HNO3, H2SO4 1.Sn, HCI NaNO, HCI CuBr 2.NaOH HNO3, H2SO4 1.Sn, HCI CuBri PCC 2.NaOH HNO3, H2SO4 1.Sn, HCI NANO,.HCI Br2, FeBrz III. 2.NaOH HNO3, H2SO4 Br2, FeBrz 1.Sn, HCI 1.NaNO2,HCI IV 2.NaOH 2. H20, heat HNO3, H2SO4 1.Sn, HCI NaNO2,HCI 1. Bra, FeBrz V. 2.NaOH 2. H,O, heat
15.-19. Starting with benzene, match each sequence of reagents (separated by commas) to a major product....
15.-19. Starting with benzene, match each sequence of reagents (separated by commas) to a major product. Answers may be repeated. Assume any necessary workup. 15 AICI, Bro/FeBr Br 16. 6 /AlCI3, Zn/HC, HNO3/H2S04, H2/Pd, NaNO2/HCI/O C, CuBr b. /AlCl3, Br2/FeBr3, N2Ha/KOH/heat C. Br Br 18. /AlCl3, HS(CH2)2SH/H+, H2/Ni, H2S04, Br2/FeBr3, H2O/heat d. 19. /AICls, HNO:/H S04, H2/Pd, Bra/FeBr3, NaNO/HCI/o'C, H3PO2 e.not a.-d
transformation which regent (s) which will do the ear Pyridine 2. Li Ally 6 2. Na...
transformation which regent (s) which will do the ear Pyridine 2. Li Ally 6 2. Na BH₂ CN Min Ho@ la pyridine 2. LiAlly 2. Na BM3 CN Ovo H₂ot H₃0 OA A, B, C&O which reagent/s) which will do the transformation NE GN- 1. NaNO2, HCl 2. CuCN + HNO₂, H₂ Sou 2,5n HCl 3. CUCN @ 1.sn HCl 2. NaNO, HCl 3. CUCN B @ 1. HNO3 H₂SO4 2.CUCN er 'Br @ 1. Brz, FeBrz 1. Brz, FeBr...
o GO 34. Aryl diazonium ions are formed from anilines reacted with: A. HNO, B. HNO3,...
o GO 34. Aryl diazonium ions are formed from anilines reacted with: A. HNO, B. HNO3, H2SO4 C. H2NNH, KOH D. NaNO, HCI 35. Starting with phthalic anhydride, which other reagents are needed for the Gabriel amine synthesis?: ? A. NH3, A/KOH, 1-pentyl-Br /H2NNH2 NH2 B. KOH, NH3 /LDA, 1-pentanol /NaOH C. NBS, Br, A/HCI, pentanamide / NaNO2, HCI D. NH3, HCI / NaH, 1-penty-CI/ KCN 36. Select the final product for the multi-step sequence indicated below: NHACCI EICI NaNO2...
Which set of reagents will accomplish the following transformation? COOH NH Br A) B) C) 1)...
Which set of reagents will accomplish the following transformation? COOH NH Br A) B) C) 1) CH;CI / AICI 2) Br2/FeBrz 3) Conc. KMnO4 OH, A. then H30 4) Cl2/AICI; 5) HNO3 H2SO4 6) Sn/HCI 1) CH3C1 / AICI 2) Conc KMnO4 OH, A, then H30* 3) HNO; / H2SO4 4) Sn HCI 5) Bry/FeBrz 6) C12/AICI: 1) CH,CI/AICI: 2) Bry/FeBrz 3) Cly/AICI: 4) Conc. KMnO OH, Athen H30 5) HNO3 /H SO. 6) Sn/HCI B) D) 1) HNO; H2SO4...
46) What is the major product formed in the 4-step reaction sequence? Io non o od...
46) What is the major product formed in the 4-step reaction sequence? Io non o od NH C AICI NO2 2) H0 3) HNO3, H2SO4 4) H2NNH, KOH 47) What is the final product formed in the following sequence of reactions? NHCOCH3OH 1) H,SO./H201) NaNO,, HCI ? heat Conc. H,SO 2 ) H3PO, SOGH 2) dilute NaOH NH21 oor hoe oud SO,H 48) Which of the following reactions would occur as written? Select all that apply. O CHOCI Snc 1)...
What is the major product of the following reaction? NAOH heat X X ger K OH...
What is the major product of the following reaction? NAOH heat X X ger K OH o The best way to synthesize the following amine is: H2N- 1. HNO3 H2SO4 2. Fe, HCI 3. NaOH 1. NaCN Br 2. LiAH, 3. H0 1. Bry. FeBrz 2. NaN 3. H. Ni 1 NBS hr 2 NaNH NHI What is the major product of this reaction! CHU, Hy0°.H20 OH -OH och OH
Question 1 What is the major organic product of the following reaction sequence? Type its systematic...
Question 1 What is the major organic product of the following reaction sequence? Type its systematic IUPAC name in the box below. 1) HNO3, H2SO4 2) Sn, HCI 3) NaNO2, HCI, O°C 4) CuCN 5) H2SO4, H20, heat
What is the major organic product of the following reaction sequence? Type its systematic IUPAC name...
What is the major organic product of the following reaction sequence? Type its systematic IUPAC name in the box below. 1) HNO3, H2SO4 2) Sn, HCI 3) NaNO2, HCI, O °C 4) CuCN 5) H2SO4, H20, heat
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2....
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2. LIAIHA 3. H20 'N NK CN NH2 What is the major product in the following reaction? 1. DIBAL 2. H20 O H O OH OH СІ Which reaction sequence would accomplish this transformation? CN H2SO4/HNO3 Br2 NaNO2/HCI CuCN O Br2/FeBr3 H2SO4/HNO3 KF NaNO2/HCI O H2SO4/HNO3 Zn(Hg)/HCI NaNO2/HCI CuCN o H2SO4/HNO3 Zn(Hg/HCI NaNO2/HCI HBF4
9. Select the reaction sequence that will produce the desired product. OH HNO3, H2SO4 1.Sn, HCI NaNO, HCI CuBr 2.NaOH HNO3, H2SO4 1.Sn, HCI CuBri PCC 2.NaOH HNO3, H2SO4 1.Sn, HCI NANO,.HCI Br2, FeBrz III. 2.NaOH HNO3, H2SO4 Br2, FeBrz 1.Sn, HCI 1.NaNO2,HCI IV 2.NaOH 2. H20, heat HNO3, H2SO4 1.Sn, HCI NaNO2,HCI 1. Bra, FeBrz V. 2.NaOH 2. H,O, heat
15.-19. Starting with benzene, match each sequence of reagents (separated by commas) to a major product. Answers may be repeated. Assume any necessary workup. 15 AICI, Bro/FeBr Br 16. 6 /AlCI3, Zn/HC, HNO3/H2S04, H2/Pd, NaNO2/HCI/O C, CuBr b. /AlCl3, Br2/FeBr3, N2Ha/KOH/heat C. Br Br 18. /AlCl3, HS(CH2)2SH/H+, H2/Ni, H2S04, Br2/FeBr3, H2O/heat d. 19. /AICls, HNO:/H S04, H2/Pd, Bra/FeBr3, NaNO/HCI/o'C, H3PO2 e.not a.-d
transformation which regent (s) which will do the ear Pyridine 2. Li Ally 6 2. Na BH₂ CN Min Ho@ la pyridine 2. LiAlly 2. Na BM3 CN Ovo H₂ot H₃0 OA A, B, C&O which reagent/s) which will do the transformation NE GN- 1. NaNO2, HCl 2. CuCN + HNO₂, H₂ Sou 2,5n HCl 3. CUCN @ 1.sn HCl 2. NaNO, HCl 3. CUCN B @ 1. HNO3 H₂SO4 2.CUCN er 'Br @ 1. Brz, FeBrz 1. Brz, FeBr...
o GO 34. Aryl diazonium ions are formed from anilines reacted with: A. HNO, B. HNO3, H2SO4 C. H2NNH, KOH D. NaNO, HCI 35. Starting with phthalic anhydride, which other reagents are needed for the Gabriel amine synthesis?: ? A. NH3, A/KOH, 1-pentyl-Br /H2NNH2 NH2 B. KOH, NH3 /LDA, 1-pentanol /NaOH C. NBS, Br, A/HCI, pentanamide / NaNO2, HCI D. NH3, HCI / NaH, 1-penty-CI/ KCN 36. Select the final product for the multi-step sequence indicated below: NHACCI EICI NaNO2...
Which set of reagents will accomplish the following transformation? COOH NH Br A) B) C) 1) CH;CI / AICI 2) Br2/FeBrz 3) Conc. KMnO4 OH, A. then H30 4) Cl2/AICI; 5) HNO3 H2SO4 6) Sn/HCI 1) CH3C1 / AICI 2) Conc KMnO4 OH, A, then H30* 3) HNO; / H2SO4 4) Sn HCI 5) Bry/FeBrz 6) C12/AICI: 1) CH,CI/AICI: 2) Bry/FeBrz 3) Cly/AICI: 4) Conc. KMnO OH, Athen H30 5) HNO3 /H SO. 6) Sn/HCI B) D) 1) HNO; H2SO4...
46) What is the major product formed in the 4-step reaction sequence? Io non o od NH C AICI NO2 2) H0 3) HNO3, H2SO4 4) H2NNH, KOH 47) What is the final product formed in the following sequence of reactions? NHCOCH3OH 1) H,SO./H201) NaNO,, HCI ? heat Conc. H,SO 2 ) H3PO, SOGH 2) dilute NaOH NH21 oor hoe oud SO,H 48) Which of the following reactions would occur as written? Select all that apply. O CHOCI Snc 1)...
What is the major product of the following reaction? NAOH heat X X ger K OH o The best way to synthesize the following amine is: H2N- 1. HNO3 H2SO4 2. Fe, HCI 3. NaOH 1. NaCN Br 2. LiAH, 3. H0 1. Bry. FeBrz 2. NaN 3. H. Ni 1 NBS hr 2 NaNH NHI What is the major product of this reaction! CHU, Hy0°.H20 OH -OH och OH
Question 1 What is the major organic product of the following reaction sequence? Type its systematic IUPAC name in the box below. 1) HNO3, H2SO4 2) Sn, HCI 3) NaNO2, HCI, O°C 4) CuCN 5) H2SO4, H20, heat
What is the major organic product of the following reaction sequence? Type its systematic IUPAC name in the box below. 1) HNO3, H2SO4 2) Sn, HCI 3) NaNO2, HCI, O °C 4) CuCN 5) H2SO4, H20, heat
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2. LIAIHA 3. H20 'N NK CN NH2 What is the major product in the following reaction? 1. DIBAL 2. H20 O H O OH OH СІ Which reaction sequence would accomplish this transformation? CN H2SO4/HNO3 Br2 NaNO2/HCI CuCN O Br2/FeBr3 H2SO4/HNO3 KF NaNO2/HCI O H2SO4/HNO3 Zn(Hg)/HCI NaNO2/HCI CuCN o H2SO4/HNO3 Zn(Hg/HCI NaNO2/HCI HBF4
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