Which method would NOT be capable of synthesizing a carboxylic acid? A. 1. RMgBr, CO2, Et2O...
Which method would NOT be capable of synthesizing a carboxylic acid?
| A. |
1. RMgBr, CO2, Et2O 2. H3O+ |
|
| B. |
1. RBr, NaCN 2. H3O+ |
|
| C. |
1. PhCH3, KMnO4, NaOH 2. H2O+ |
|
| D. |
1. RCH2OH, PCC 2. H2O |
Homework Answers
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Which method would NOT be capable of synthesizing a carboxylic
acid?
A.
1. RMgBr, CO2, Et2O...
16. Which of the following is not a method for preparing butanoic acid? A. CH3CH2CH2Br NaCN;...
16. Which of the following is not a method for preparing butanoic acid? A. CH3CH2CH2Br NaCN; then H3O*, reflux B. CH3CH2CH2MgBr +CO2; then H30 C. CH3CH2CH2OH CO D. CH3CH2CH2CO2Et OH-/H2O; then H0* E. CH3CH2CH2CH2OH KMnO4/OH-/H2O/heat; then H3O 17. Which of these combinations will not produce benzoic acid? A. CeH5CH2OH + KMnO4/OH-/H2O, heat; then H3O* В. СоН:СH, C. CH6+CO2, high pressure D. CHsCOCH3 +Cl2/OH-/H2O; then H3O* E. CHSCOCI+OH-/H2O ; then H3O* KMnO4/OH-/H2O, heat; then H30* 18. What would be the best...
which will produce a carboxylic acid(3rd pic) Question 10 (1 point) Which is not a suitable...
which
will produce a carboxylic acid(3rd pic)
Question 10 (1 point) Which is not a suitable method to prepare the following carboxylic acid? 1. Mg 2. CO2 3. H2O* 1. NaCN 2. H30*Heat 1.2L 2.CO2 Br 3. H,09 0 1 and 3 only O 1, 2, and 3 O2 only O1 only How many equivalents of the amine below are required for this reaction to go to completion: MeCOCl + EtNH – MeCONHE 01/2 Ol 00 COH 1. Mg 2....
RM-Q22 Which of the following is NOT an appropriate method for synthesizing a carboxylic acid? Select...
RM-Q22 Which of the following is NOT an appropriate method for synthesizing a carboxylic acid? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a oxidation of primary alcohols b oxidative cleavage of alkynes с oxidation of aldehydes d Grignard reactions e hydrolysis of nitriles RM-Q29 Which of the following is an acetal? ОН ОН A) H,C-C-OH Н B) HC-C-OCH; H ОН C) H₃C-C-OH ОСН; D) HC-C-OCH, Н OCH Select an answer...
Carboxylic acid problems 1) KMnO4, NaOH 1) KMnO4. NaOH Heat 2) H30 Cr Heat 2) H2O*cr...
Carboxylic acid problems 1) KMnO4, NaOH 1) KMnO4. NaOH Heat 2) H30 Cr Heat 2) H2O*cr 1) Ag20 or Ag(NH3)2*OH 1) Og 2) H,02 H2) H30°C KMnO4 CH3(CH2)6CH2 CH2(CH2)CH2COH C=C HH H30+ Oleic acid HO 1) KMnO4, NaOH Heat 2) H30*cr CH3 CH3CHCH2CH2CH2OH 4-Methyl-1-pentanol H30+ OH 1) H.CO. CH3CH2CH2CH2CH2CH Hexanal CHE 212 CH 15 & 16 Cathexaulic Acids. 22
Ochem 2 ch 19-20 Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) & Provide the products for each of the following reaction sequences. P 2010 Na,Cro H SO, heat 1.) SOCI 2.) NHS pBrs NaCN H2SO (aq) OH heat HCMgBr H SO (aq) heat imine- not isolated H.SO (aq) PCC NaCN OH heat CH,Cl2 (solvent) NBS, hv 1.) Mg 2.) CO2 3.) H3O+ CH,OH Na Oro Huso, heat H2O(cat) -H2O H: C-P(ph)s PDC 1.) LAH...
Which sequence will give pentanoic acid? (2 pts) 4. 1. BH3. THF 2. NAOH, H202, H20...
Which sequence will give pentanoic acid? (2 pts) 4. 1. BH3. THF 2. NAOH, H202, H20 H* 1. HBr, ROOR C. Butene Butene A. 2. NACN, ACN 3. KMnO4. 3. KMnO4, H* 1. BH3.THF 2. NaOH, H202 H20 3. H30*, heat 1. HBr, ROOR D. В. Butene Butene 2. NACN, ACN 3. H30*, heat
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step The answer 4th means treat -butanol(4) with conc. HCI(0) then treat the product with KOH in alcohol(h). Br Starting materials Br Br Reagents I KMnO4/H,O j Na2 CrOs/ aqueous H,SO k 1.BH THE a Mg...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the step. Reagents a Mg/dry ether b 1. CO_2 2. acidic workup c NaCN/The or DMF d NaCN/dil. aqueous H_2SO_4 e Aqueous H_2SO_4 at reflux f Conc, HCl or HCl (gas) g PBr_3 h KOH/alcohol i KMnO_4/H_3 O^+ j...
QUESTION 18: Which of the following compounds gives a 1M aqueous solution having the highest pH?...
QUESTION 18: Which of the following compounds gives a 1M aqueous solution having the highest pH? A. (CH3)4N+OH– B. (CH3)4N+Cl– C. (CH3)3N D. (CH3)3NH+Cl– QUESTION 19: The overall conversion RBr →→ RCH2NH2 can be accomplished by successive application of which of these sets of reagents? A. Mg, ether; then NH3 B. NaN3; then LiAlH4 C. NaCN; then LiAlH4 D. H2C=O; then NH3 E. H2NOH; then LiAlH4 QUESTION 20: Which sequence is suitable for preparing butylamine from 1-propanol? A. KMnO4, then...
16. Which of the following is not a method for preparing butanoic acid? A. CH3CH2CH2Br NaCN; then H3O*, reflux B. CH3CH2CH2MgBr +CO2; then H30 C. CH3CH2CH2OH CO D. CH3CH2CH2CO2Et OH-/H2O; then H0* E. CH3CH2CH2CH2OH KMnO4/OH-/H2O/heat; then H3O 17. Which of these combinations will not produce benzoic acid? A. CeH5CH2OH + KMnO4/OH-/H2O, heat; then H3O* В. СоН:СH, C. CH6+CO2, high pressure D. CHsCOCH3 +Cl2/OH-/H2O; then H3O* E. CHSCOCI+OH-/H2O ; then H3O* KMnO4/OH-/H2O, heat; then H30* 18. What would be the best...
which
will produce a carboxylic acid(3rd pic)
Question 10 (1 point) Which is not a suitable method to prepare the following carboxylic acid? 1. Mg 2. CO2 3. H2O* 1. NaCN 2. H30*Heat 1.2L 2.CO2 Br 3. H,09 0 1 and 3 only O 1, 2, and 3 O2 only O1 only How many equivalents of the amine below are required for this reaction to go to completion: MeCOCl + EtNH – MeCONHE 01/2 Ol 00 COH 1. Mg 2....
RM-Q22 Which of the following is NOT an appropriate method for synthesizing a carboxylic acid? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a oxidation of primary alcohols b oxidative cleavage of alkynes с oxidation of aldehydes d Grignard reactions e hydrolysis of nitriles RM-Q29 Which of the following is an acetal? ОН ОН A) H,C-C-OH Н B) HC-C-OCH; H ОН C) H₃C-C-OH ОСН; D) HC-C-OCH, Н OCH Select an answer...
Carboxylic acid problems 1) KMnO4, NaOH 1) KMnO4. NaOH Heat 2) H30 Cr Heat 2) H2O*cr 1) Ag20 or Ag(NH3)2*OH 1) Og 2) H,02 H2) H30°C KMnO4 CH3(CH2)6CH2 CH2(CH2)CH2COH C=C HH H30+ Oleic acid HO 1) KMnO4, NaOH Heat 2) H30*cr CH3 CH3CHCH2CH2CH2OH 4-Methyl-1-pentanol H30+ OH 1) H.CO. CH3CH2CH2CH2CH2CH Hexanal CHE 212 CH 15 & 16 Cathexaulic Acids. 22
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) & Provide the products for each of the following reaction sequences. P 2010 Na,Cro H SO, heat 1.) SOCI 2.) NHS pBrs NaCN H2SO (aq) OH heat HCMgBr H SO (aq) heat imine- not isolated H.SO (aq) PCC NaCN OH heat CH,Cl2 (solvent) NBS, hv 1.) Mg 2.) CO2 3.) H3O+ CH,OH Na Oro Huso, heat H2O(cat) -H2O H: C-P(ph)s PDC 1.) LAH...
Which sequence will give pentanoic acid? (2 pts) 4. 1. BH3. THF 2. NAOH, H202, H20 H* 1. HBr, ROOR C. Butene Butene A. 2. NACN, ACN 3. KMnO4. 3. KMnO4, H* 1. BH3.THF 2. NaOH, H202 H20 3. H30*, heat 1. HBr, ROOR D. В. Butene Butene 2. NACN, ACN 3. H30*, heat
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step The answer 4th means treat -butanol(4) with conc. HCI(0) then treat the product with KOH in alcohol(h). Br Starting materials Br Br Reagents I KMnO4/H,O j Na2 CrOs/ aqueous H,SO k 1.BH THE a Mg...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the step. Reagents a Mg/dry ether b 1. CO_2 2. acidic workup c NaCN/The or DMF d NaCN/dil. aqueous H_2SO_4 e Aqueous H_2SO_4 at reflux f Conc, HCl or HCl (gas) g PBr_3 h KOH/alcohol i KMnO_4/H_3 O^+ j...
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