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16. Which of the following is not a method for preparing butanoic acid? A. CH3CH2CH2Br NaCN;...
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
5. Identify the major product expected to form at the completion of the following synthetic sequence....
5. Identify the major product expected to form at the completion of the following synthetic sequence. O OH SO3, H2SO4 Br2 H2O H3O*-H2O но ОН Br ОН Он Он Br о Он Br но но Но НО но Br SO3H Br Br (A) (B) (C) (D) (E) 6.Which of the following synthetic sequences is expected to yield 2-chloro-4-nitrobenzoic acid in highest yleld? 1. KMnO OH Cla- FeCl HNO3- H2SO heat (A) 2. H30 1. KMnO4 , OH HNO- H2SO Clo-...
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,...
what are the hest methods to produce the desired compounds? 86. Which of the following is...
what are the hest methods to produce the desired
compounds?
86. Which of the following is the best method for preparing lactic acid from acetaldehyde? OH CH3CHCOOH CH3CH lactic acid acetaldehyde A) C12: -OH; CH3OH B) CH3MgBr; -OH D) HC "N; H30+/heat E) C12, Mg/ether; -OH 87. Which of the sequences works best to accomplish the following conversion? C) KMnO4:-OH Section: 16-4 CHO A) 1. NaCN, HCI 2. H2, Pt D) 1. H2NNH2, H+2. H3O+ B) 1. H2NCH2MgBr 2. H30+...
Ochem 2 ch 19-20 Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts)...
Ochem 2 ch 19-20
Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Draw the major product for each of the following reactions. 7. a) 1.) Mg /Et O Br 2.) CO2 3.) Hg0 b) CN Но H2SO4 heat c) NaCN DMSO d) 1.) NaCN, DMSO 2.) H3O e) 1.) CH3OH, H2SO4 (cat) -cO-H 2.) LIAIH THF 3.) H20 OH Но- coH g) 1.) NaCN, DMSO 2.) H30 3.) HCI(aq), heat Page 4 of 6
Choose the best reagent for carrying out the following reactions from the list below. Place the l...
Choose the best reagent for carrying out the following reactions
from the list below. Place the letter of the reagent(s) in the box
over the reaction arrow; use only one letter per box. Some letters
may be used more than once, and not all letters need to be
used.
A) LiA1H4, then H3O+ D) CH:MgBr, then H30* G) NaOCHs, then H3O J) NaCN, then H3O B) NH20H, heat E) CH3NH2, heat H) (CH3)2NH, heat K) NaOCH2CH3, heat L PCC in...
please write the steps needed to get this product. A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K...
please write the steps needed to get this product.
A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K HNO3 H2SO4 B LiAlH4/H:07 T CH3MgBr/H:0* U 1. LDA/ 2. CH Br C Dess-Martin L Nal D CrOz/H:07 M H3PO4 V NaCN E H/Pd N Bry/FeBr3 W NH 0 CH:COCI/AICI: X CH3NH2 P CH:CH-CT/AICI: Y SOCI: F SnCl/H30* 1. Hg(OAc)2, H2O/THF G 2. NaBHA HH2SO4, H2O, HgSO4 1. BH3, THF 2. H2O2, OH Q H3O+/H20 Z CH OH R KOH O CHICHI CH3CH CH:CH-C-OH...
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....
Choose reagents from the table for conversion of pentanoic acid to the following substances Choose the...
Choose reagents from the table for conversion of pentanoic acid to the following substances Choose the route with the fewest steps Use letters from the table to list reagents in the order used (first at the left). Example: ab Reagents e Br2/ NaOH, H2O 1. BH3/ THF 2. H20 b 1.LiAlH 2. H20 f Br2/ PBr3 j excess NH3 c 1. NaBH4 9 SOC2 k NaCN d H20, heat h PBr3 I NaN a) Butylamine b) Pentanamide SYSRO 0 7...
5. Identify the major product expected to form at the completion of the following synthetic sequence. O OH SO3, H2SO4 Br2 H2O H3O*-H2O но ОН Br ОН Он Он Br о Он Br но но Но НО но Br SO3H Br Br (A) (B) (C) (D) (E) 6.Which of the following synthetic sequences is expected to yield 2-chloro-4-nitrobenzoic acid in highest yleld? 1. KMnO OH Cla- FeCl HNO3- H2SO heat (A) 2. H30 1. KMnO4 , OH HNO- H2SO Clo-...
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,...
what are the hest methods to produce the desired
compounds?
86. Which of the following is the best method for preparing lactic acid from acetaldehyde? OH CH3CHCOOH CH3CH lactic acid acetaldehyde A) C12: -OH; CH3OH B) CH3MgBr; -OH D) HC "N; H30+/heat E) C12, Mg/ether; -OH 87. Which of the sequences works best to accomplish the following conversion? C) KMnO4:-OH Section: 16-4 CHO A) 1. NaCN, HCI 2. H2, Pt D) 1. H2NNH2, H+2. H3O+ B) 1. H2NCH2MgBr 2. H30+...
Ochem 2 ch 19-20
Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Draw the major product for each of the following reactions. 7. a) 1.) Mg /Et O Br 2.) CO2 3.) Hg0 b) CN Но H2SO4 heat c) NaCN DMSO d) 1.) NaCN, DMSO 2.) H3O e) 1.) CH3OH, H2SO4 (cat) -cO-H 2.) LIAIH THF 3.) H20 OH Но- coH g) 1.) NaCN, DMSO 2.) H30 3.) HCI(aq), heat Page 4 of 6
Choose the best reagent for carrying out the following reactions
from the list below. Place the letter of the reagent(s) in the box
over the reaction arrow; use only one letter per box. Some letters
may be used more than once, and not all letters need to be
used.
A) LiA1H4, then H3O+ D) CH:MgBr, then H30* G) NaOCHs, then H3O J) NaCN, then H3O B) NH20H, heat E) CH3NH2, heat H) (CH3)2NH, heat K) NaOCH2CH3, heat L PCC in...
please write the steps needed to get this product.
A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K HNO3 H2SO4 B LiAlH4/H:07 T CH3MgBr/H:0* U 1. LDA/ 2. CH Br C Dess-Martin L Nal D CrOz/H:07 M H3PO4 V NaCN E H/Pd N Bry/FeBr3 W NH 0 CH:COCI/AICI: X CH3NH2 P CH:CH-CT/AICI: Y SOCI: F SnCl/H30* 1. Hg(OAc)2, H2O/THF G 2. NaBHA HH2SO4, H2O, HgSO4 1. BH3, THF 2. H2O2, OH Q H3O+/H20 Z CH OH R KOH O CHICHI CH3CH CH:CH-C-OH...
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....
Choose reagents from the table for conversion of pentanoic acid to the following substances Choose the route with the fewest steps Use letters from the table to list reagents in the order used (first at the left). Example: ab Reagents e Br2/ NaOH, H2O 1. BH3/ THF 2. H20 b 1.LiAlH 2. H20 f Br2/ PBr3 j excess NH3 c 1. NaBH4 9 SOC2 k NaCN d H20, heat h PBr3 I NaN a) Butylamine b) Pentanamide SYSRO 0 7...
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