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7. 15 pts. Whieh of the resctions hekow woald reault in a produet misture that wuld...
How would you carry out the following conversions? More than one step may be needed in...
How would you carry out the following conversions? More than one step may be needed in some instances. CI 1 RCHCH3 RCH RCH2CH3 RCH2CH2OH R-CECH RCH=CH2 R-C=C-CH3 R- RCCH3 н н
5. Provide a step-by-step mechanism for the following reaction. (5 pts) pH = 7 HON mo...
5. Provide a step-by-step mechanism for the following reaction. (5 pts) pH = 7 HON mo H HO. . How 6. Propose synthesis of the following compound in no more than three steps. Include work-up step when necessary. Work-up counts as one step. (6 pts) hoch v Cho
show how to carry out the following synthetic transformations using any compounds with one or two...
show how to carry out the following synthetic transformations using any compounds with one or two carbon atoms, any necessary solvents, and any Inorganic reagents. Clearly indicate reaction conditions. More than one synthetic step will be required (work backwards!) 1-Bromopentane- 2-Chloropenia H-C=C-H H₃C Br H-C=C-H - Br CH3 CHO H-C=c-H HO HIC TOH meso H-C=C-H c=CH₂ H3C CH(CH2).CHCI - CH(CH2),CHCHCI Наснас н H3CH2CCECH 4 CH₂CH₃ H3CH2CCECCH2CH3 Br Br CH,CH,CHCHCH.CH meso trans Ph trans OH show in most stable chair conformation)...
3) Show how you would carry out the following transformations. More than one step is required....
3) Show how you would carry out the following transformations. More than one step is required. Use any organic or inorganic reagents that you need. Show all reagents and intermediate products. (24 pts) H2CH2C CH3 HEH HH OH + enantiomer | Ph = Ph- H + 4
Multi-step synthesis ci R R NH, OEt А OH B 1. Br2 / uv light 2....
Multi-step synthesis ci R R NH, OEt А OH B 1. Br2 / uv light 2. SOCI2 / THE 3. Mg/Et20 4. Meu/hexane S. CH3CH2MgCl 6. Ph MgBe 7. NaBHA 8. LAHA 9. BH3 /OX 10. POCl/pyridine/ THF 11.03/THE 12. PCC / CH2 13.H/H20 14. ELOH/H 15. t-butaxide 16. OH/H20 17. NHS 18.CO2 19. acetic anhydride 20.HNMez/THE In each box, type out the list of reagents in proper order that will carry out the synthesis of the final product (This...
5) Which of the following compounds is hydrolyzed the slowest in aqueous NaOH? І п ш...
5) Which of the following compounds is hydrolyzed the slowest in aqueous NaOH? І п ш IV у E) II A) III B) I C) IV 6) 6) What is the major product when (CH3)2CHCH2CH2Br undergoes the following reaction sequence: (Step 1) Mg, ether (Step 2) CO2 (Step 3) H30+ A) 4-methyl-1-pentanol B) 2-methyl-2-butanol C) 4-methylpentanoic acid D) 3-methylbutanoic acid 7) Diisobutylaluminum hydride can be used to carry out which of the following conversions? A) aldehyde to carboxylic acid B)...
CI OR C D Glve the proper series of reactions, using reagents from the table below,...
CI OR C D Glve the proper series of reactions, using reagents from the table below, that will carry out the overall transformations shown. (Assume aqueous workup where needed.) 1. Br2 / uv light 2. SOCI2 / THE 3. Mg/Et20 4. Mell/hexane 5. CH3CH2MgCl 6. PhMgBr 7. NaBH4 8. LIAIHA 9. BH3 / ox 10. POCI3/pyridine/ THF 11. CrO3 / THE 12. PCC / CH2Cl2 13. H/H20 14. ELOH/H 15. t-butoxide 16. OH" /H20 17. NH3 18, CO2 19. acetic...
94 7. Spectroscopy: (20 pts) The unknown compound A (C17H3403) gives the following 'H NMR and...
94 7. Spectroscopy: (20 pts) The unknown compound A (C17H3403) gives the following 'H NMR and IR spectra. Include degrees of unsaturation and show your work for partial credit. What is the structure of compound A? 6H 4H 2H 2H IH IH 24 24 24 24 1ң With the heat 5 4 دیا 2 M Lumm mm 4000 3000 2000 1000 500 1500 Wavenumbers 6. Synthesis: (40 pts) Show how you would carry out the following synthesis using inorganic or...
Why malonate is less acidic than diketone？ CH3-H 15 9 CH20-H NH-H CH2CH20-H 16 (CH3)NH-H 10....
Why
malonate is less acidic than diketone？
CH3-H 15 9 CH20-H NH-H CH2CH20-H 16 (CH3)NH-H 10. 7 Ph-H PhCH2-H (CH3)3N-H 9.8 (CH3),CO-H 19 CH2-H 41 10 PhO-H 9.2 NC-H H-CEC-H H 25 16 mostly T dth CHACH-H 30 CHO CH₂O CH,O CH-H 24-25 H 11,2 H 13.5 0 CN NC-CH2-H 25 chocha - CN + NHA CH3OH H 11.2 9 CH CH₂-H 20 Ph CH2-H 16 CHE Y CH O2NCH-H 10.2 e complete, Generation & Alkylation Ph NAUPko :33
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to...
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to go int a box, and they will shrink to fit as needed when you put more than one in a box. Jasperse: Read the hint before you start, because I didn't emphasize the distinction between hemiacetals and hemiketals, or between acetals and ketals. Hemiacetal Hemiketal Acetal Ketal Other ОН OCH3 CH3COCH3 CH2CH3 O II CH3COCH3 OH CH3 | CH3CHOCHZ OCH3 CH3 H3COH H3C CH3...
How would you carry out the following conversions? More than one step may be needed in some instances. CI 1 RCHCH3 RCH RCH2CH3 RCH2CH2OH R-CECH RCH=CH2 R-C=C-CH3 R- RCCH3 н н
5. Provide a step-by-step mechanism for the following reaction. (5 pts) pH = 7 HON mo H HO. . How 6. Propose synthesis of the following compound in no more than three steps. Include work-up step when necessary. Work-up counts as one step. (6 pts) hoch v Cho
show how to carry out the following synthetic transformations using any compounds with one or two carbon atoms, any necessary solvents, and any Inorganic reagents. Clearly indicate reaction conditions. More than one synthetic step will be required (work backwards!) 1-Bromopentane- 2-Chloropenia H-C=C-H H₃C Br H-C=C-H - Br CH3 CHO H-C=c-H HO HIC TOH meso H-C=C-H c=CH₂ H3C CH(CH2).CHCI - CH(CH2),CHCHCI Наснас н H3CH2CCECH 4 CH₂CH₃ H3CH2CCECCH2CH3 Br Br CH,CH,CHCHCH.CH meso trans Ph trans OH show in most stable chair conformation)...
3) Show how you would carry out the following transformations. More than one step is required. Use any organic or inorganic reagents that you need. Show all reagents and intermediate products. (24 pts) H2CH2C CH3 HEH HH OH + enantiomer | Ph = Ph- H + 4
Multi-step synthesis ci R R NH, OEt А OH B 1. Br2 / uv light 2. SOCI2 / THE 3. Mg/Et20 4. Meu/hexane S. CH3CH2MgCl 6. Ph MgBe 7. NaBHA 8. LAHA 9. BH3 /OX 10. POCl/pyridine/ THF 11.03/THE 12. PCC / CH2 13.H/H20 14. ELOH/H 15. t-butaxide 16. OH/H20 17. NHS 18.CO2 19. acetic anhydride 20.HNMez/THE In each box, type out the list of reagents in proper order that will carry out the synthesis of the final product (This...
5) Which of the following compounds is hydrolyzed the slowest in aqueous NaOH? І п ш IV у E) II A) III B) I C) IV 6) 6) What is the major product when (CH3)2CHCH2CH2Br undergoes the following reaction sequence: (Step 1) Mg, ether (Step 2) CO2 (Step 3) H30+ A) 4-methyl-1-pentanol B) 2-methyl-2-butanol C) 4-methylpentanoic acid D) 3-methylbutanoic acid 7) Diisobutylaluminum hydride can be used to carry out which of the following conversions? A) aldehyde to carboxylic acid B)...
CI OR C D Glve the proper series of reactions, using reagents from the table below, that will carry out the overall transformations shown. (Assume aqueous workup where needed.) 1. Br2 / uv light 2. SOCI2 / THE 3. Mg/Et20 4. Mell/hexane 5. CH3CH2MgCl 6. PhMgBr 7. NaBH4 8. LIAIHA 9. BH3 / ox 10. POCI3/pyridine/ THF 11. CrO3 / THE 12. PCC / CH2Cl2 13. H/H20 14. ELOH/H 15. t-butoxide 16. OH" /H20 17. NH3 18, CO2 19. acetic...
94 7. Spectroscopy: (20 pts) The unknown compound A (C17H3403) gives the following 'H NMR and IR spectra. Include degrees of unsaturation and show your work for partial credit. What is the structure of compound A? 6H 4H 2H 2H IH IH 24 24 24 24 1ң With the heat 5 4 دیا 2 M Lumm mm 4000 3000 2000 1000 500 1500 Wavenumbers 6. Synthesis: (40 pts) Show how you would carry out the following synthesis using inorganic or...
Why
malonate is less acidic than diketone？
CH3-H 15 9 CH20-H NH-H CH2CH20-H 16 (CH3)NH-H 10. 7 Ph-H PhCH2-H (CH3)3N-H 9.8 (CH3),CO-H 19 CH2-H 41 10 PhO-H 9.2 NC-H H-CEC-H H 25 16 mostly T dth CHACH-H 30 CHO CH₂O CH,O CH-H 24-25 H 11,2 H 13.5 0 CN NC-CH2-H 25 chocha - CN + NHA CH3OH H 11.2 9 CH CH₂-H 20 Ph CH2-H 16 CHE Y CH O2NCH-H 10.2 e complete, Generation & Alkylation Ph NAUPko :33
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to go int a box, and they will shrink to fit as needed when you put more than one in a box. Jasperse: Read the hint before you start, because I didn't emphasize the distinction between hemiacetals and hemiketals, or between acetals and ketals. Hemiacetal Hemiketal Acetal Ketal Other ОН OCH3 CH3COCH3 CH2CH3 O II CH3COCH3 OH CH3 | CH3CHOCHZ OCH3 CH3 H3COH H3C CH3...
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