Homework Answers
The steps of the conversion is as follows
Step A: PCC oxidation of primary alcohol to corresponding
aldehyde
Step H: Addition of cyano group to the aldehyde. Please note that
aldehyde is more reactive than ketone,
Step G: Hydrolysis of cyano group to the corresponding carboxylic
acid group
Mechanism of hydrolysis of cyano group is also given below
Step 1: protonation of cyano group nitrogen
Step 2: water molecule addition to the nitrile carbon
Step 3: Addition of second water molecule
Step 4: Elimination of ammonia and formation of carboxylic acid
group
Add Answer to:
Select (more than one) steps
OH PCC NaBHA CH3OH 1. MgBr CH2Cl2 EtOH H 2. H...
Show each step 1. PPh; 2. Buli 0 3 он 1. PCC, CH,CI, ,H,O+ 1. 9-BBN 2. H,O, OH- 3. (2) EtOH, H2O+ 1. MeCI, AICI: 2....
Show each step
1. PPh; 2. Buli 0 3 он 1. PCC, CH,CI, ,H,O+ 1. 9-BBN 2. H,O, OH- 3. (2) EtOH, H2O+ 1. MeCI, AICI: 2. NBS, hv 3. NaOH 4.PCC, CH,CI, 5. KCN, HCN
Draw out each step of the reaction. OH 1) PCC CH2Cl2 2) MeMgBrEt20 3) PCC CH2Cl2...
Draw out each step of the reaction.
OH 1) PCC CH2Cl2 2) MeMgBrEt20 3) PCC CH2Cl2 4) Br2 HBr 5) P(OME)3 6) NaH + aldehyde from step 1
(1) Show the product of each alcohol oxidation reaction below: OH Croz H30", acetone PCC CH2Cl2...
(1) Show the product of each alcohol oxidation reaction below: OH Croz H30", acetone PCC CH2Cl2 OH Cr₂O, OH H.SO 4, H2O PCC HO CH2Cl2 Nag H2S04, H20 (2) Propose an efficient synthesis for each transformation below mocow OH НО? .name مل.بلو HO / تم.-م" (E) Ph amion e no (F) OMe
1. Write the products of the reactions below. I. HO 2. PCC 3.CH, MgBr 4. Hot 1. NaCN 2. H ,H,O 3. SOCI 4. MeOH 1. C...
1. Write the products of the reactions below. I. HO 2. PCC 3.CH, MgBr 4. Hot 1. NaCN 2. H ,H,O 3. SOCI 4. MeOH 1. CH.CH, MgBr 2. H,H,O 3. CHỊCH,CHCO3 CH,CH,OH
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following...
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following compounds in the decreasing order of reactivity towards nucleophilic addition reaction? 3 Pt ! H Most Reactive: Least Reactive 16) Write the reagents for the following transformations? 6 Pt مر 8 B) 0 OH C)
Draw the major organic product of the reaction shown below. -OH pyridinium chlorochromate (PCC) CH2Cl2 •...
Draw the major organic product of the reaction shown below. -OH pyridinium chlorochromate (PCC) CH2Cl2 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. ChemDoodle
In each reaction box, place the best reagent and conditions from the list below. 1) 2) 3) O3 in CH2Cl2 NaBH4 in EtOH P...
In each reaction box, place the best reagent and conditions from the list below. 1) 2) 3) O3 in CH2Cl2 NaBH4 in EtOH PhLi in Et20 H202/NaOH B2Hs in THF PCC in CH2Cl2 PhCO3H in CH2C2 CH3ONa in CH3OH
For Questions 9-13, choose the correct reagents for the following functional group conversion. 9. A. PCC...
For Questions 9-13, choose the correct reagents for the following functional group conversion. 9. A. PCC B. H2CrO C. NaBH.4 D. KMnO4 10. 2 HO CN A. HCN/H2SO4 B. KCN C. HCN/KCN D. NH:/NaOH 2 он A. 1) 4-bromobutanal /2) Mg'/ether /3) H B. NaOH MgBr D. LDA 12. CI Zn(Hg) HCI B. 2) Raney Ni, H2 1)H2N.NL 12. CI Zn(Hg) HCI ) 15 B. 2) Raney Ni, H2 1)H2N C. 2) NaOH/H20, heat NaCI D. 13. 2 Zn(Hg) HCI...
Select the steps that will drive you through the synthesis (more than one). I thought about...
Select the steps that will drive you through the synthesis (more
than one).
I thought about a hydrolysis first to get to an amide. Then we
would also need D in order to add the right alkyl part, but cannot
figure the whole sequence.
میمہ multiple steps کل . Z-I MgBr SOC12 1. LiAIHA CH3OH لما .1 2. H20 هر هر 2 NH2 هHo EtaN NaBH9CN, pH6 EtzN
Hg(OAc), CH,OH Mola), CHOMME NaBHA 1) BH/THF (2)-3-hexene 2) H202/OH CH3 Br2 CH2Cl2 (solvent) - CH2 CH2Cl2 (solvent) Cl...
Hg(OAc), CH,OH Mola), CHOMME NaBHA 1) BH/THF (2)-3-hexene 2) H202/OH CH3 Br2 CH2Cl2 (solvent) - CH2 CH2Cl2 (solvent) Cl2 ch H2O CH3 1) CH,COH 2) H30 20) PhCOH CH2Cl2 (solvent) CH3 OSOA H202 CH3 1) 03 2) (CH3)2S KMnO4 (hot, conc.)
Show each step
1. PPh; 2. Buli 0 3 он 1. PCC, CH,CI, ,H,O+ 1. 9-BBN 2. H,O, OH- 3. (2) EtOH, H2O+ 1. MeCI, AICI: 2. NBS, hv 3. NaOH 4.PCC, CH,CI, 5. KCN, HCN
Draw out each step of the reaction.
OH 1) PCC CH2Cl2 2) MeMgBrEt20 3) PCC CH2Cl2 4) Br2 HBr 5) P(OME)3 6) NaH + aldehyde from step 1
(1) Show the product of each alcohol oxidation reaction below: OH Croz H30", acetone PCC CH2Cl2 OH Cr₂O, OH H.SO 4, H2O PCC HO CH2Cl2 Nag H2S04, H20 (2) Propose an efficient synthesis for each transformation below mocow OH НО? .name مل.بلو HO / تم.-م" (E) Ph amion e no (F) OMe
1. Write the products of the reactions below. I. HO 2. PCC 3.CH, MgBr 4. Hot 1. NaCN 2. H ,H,O 3. SOCI 4. MeOH 1. CH.CH, MgBr 2. H,H,O 3. CHỊCH,CHCO3 CH,CH,OH
HO A) -CH OH PCC, excess CH2Cl2 B) 1) O 2) (CH3), 15) Rank the following compounds in the decreasing order of reactivity towards nucleophilic addition reaction? 3 Pt ! H Most Reactive: Least Reactive 16) Write the reagents for the following transformations? 6 Pt مر 8 B) 0 OH C)
Draw the major organic product of the reaction shown below. -OH pyridinium chlorochromate (PCC) CH2Cl2 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. ChemDoodle
In each reaction box, place the best reagent and conditions from the list below. 1) 2) 3) O3 in CH2Cl2 NaBH4 in EtOH PhLi in Et20 H202/NaOH B2Hs in THF PCC in CH2Cl2 PhCO3H in CH2C2 CH3ONa in CH3OH
For Questions 9-13, choose the correct reagents for the following functional group conversion. 9. A. PCC B. H2CrO C. NaBH.4 D. KMnO4 10. 2 HO CN A. HCN/H2SO4 B. KCN C. HCN/KCN D. NH:/NaOH 2 он A. 1) 4-bromobutanal /2) Mg'/ether /3) H B. NaOH MgBr D. LDA 12. CI Zn(Hg) HCI B. 2) Raney Ni, H2 1)H2N.NL 12. CI Zn(Hg) HCI ) 15 B. 2) Raney Ni, H2 1)H2N C. 2) NaOH/H20, heat NaCI D. 13. 2 Zn(Hg) HCI...
Select the steps that will drive you through the synthesis (more
than one).
I thought about a hydrolysis first to get to an amide. Then we
would also need D in order to add the right alkyl part, but cannot
figure the whole sequence.
میمہ multiple steps کل . Z-I MgBr SOC12 1. LiAIHA CH3OH لما .1 2. H20 هر هر 2 NH2 هHo EtaN NaBH9CN, pH6 EtzN
Hg(OAc), CH,OH Mola), CHOMME NaBHA 1) BH/THF (2)-3-hexene 2) H202/OH CH3 Br2 CH2Cl2 (solvent) - CH2 CH2Cl2 (solvent) Cl2 ch H2O CH3 1) CH,COH 2) H30 20) PhCOH CH2Cl2 (solvent) CH3 OSOA H202 CH3 1) 03 2) (CH3)2S KMnO4 (hot, conc.)
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