which
will produce a carboxylic acid(3rd pic)
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which
will produce a carboxylic acid(3rd pic)
Question 10 (1 point) Which is not a suitable...
- -- - What is the product of this reaction: 1. NaCN Br 2. H307, Heat...
- -- - What is the product of this reaction: 1. NaCN Br 2. H307, Heat CONH2 COH COH NH2 Which method would give this ketone? CH2CH3 1. PhMgBr 2. H20+ 1. CH2CH_MgBr 2. Hz0 1. CH3CH2CN 2. PhCN. CHCH,COCI, AICI: 2 and 3 only 1 and 3 only What is the product of this reaction: 1. NaCN Br 2. H20*, Heat CONH, COH CO2H NH2 OD OB OA 1. NaOET 2. PhCH BY 3. H20+, Heat Een inn i...
20. Which compound(s) can form a carboxylic acid if the proper reagent and proper conditions are...
20. Which compound(s) can form a carboxylic acid if the proper reagent and proper conditions are chosen? 1. CH,CH,CH(OH)CH; II. CH3CH (OH) III. (CH3),COH O only O and ill only O ill only ll only O All of these Submit >
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
or esterfication for D Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1....
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
Review Topics References Devise the most efficient synthesis for the carboxylic acid below using a starting...
Review Topics References 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 t-butanol(4) with conc. HC (then treat the product with KOH in alcoholch). Starting materials OH B Reagents a Mg/ dry other KMnO/H,0 . Aqueous H,SO, at reflux...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK - NH3 iii 1. O pH 5, NaCNBH3 2. NH NH2, heat ii 1. NaCN Br iy 2. LiAlH4, ether 3. H20 OTS 1. NaN, 2. LiAlH4, ether 3. H2O (Ts= para-toluenesulfonyl) i ii iii ✓iv
Starting with diethylmalonate, which sequence of reactions will give cyclopropane carboxylic acid? -0% OH Eto OEt...
Starting with diethylmalonate, which sequence of reactions will give cyclopropane carboxylic acid? -0% OH Eto OEt 1. Excess KOEt 2. Br(CH2)5Br 3. H2O/H307, A O A. 1. Excess KOEt 2. Br(CH2)4Br 3.H2O/H307, A ОВ. 1. Excess KOEt 2. 1,1-dibromocyclopentane 3. H2O/H307, A Ос. 1. Excess KOEt 2. C5H9Br 3. H2O/H307, A OD Which is a mechanistic step in the sulfonation of benzene? SO3H fuming H2SO4 S SEO OH OH A B с D А B с D Which compound has...
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
10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major...
10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK .- NH3 1. pH 5, NaCNBH3 2. NH2NH2, heat OTS ii 1. NaCN iv Br 2. LiAIH4, ether 3. H20 1. NaN3 2. LiAIHA, ether 3. H20 (Ts= para-toluenesulfonyl)
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in...
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in an ester. How many nelementary mechanic steps are reasonable for this transformation? 3 7 QUESTION 42 Which of the following compounds would have a quartet in the NMR spectrum near 4.1? COH CHO Y Śs II III IV 0 0 0 0 111 IV TION 2 Which of the following are romane QUESTION QUESTION 4 Which structure has the correct formal charge? F* CI...
- -- - What is the product of this reaction: 1. NaCN Br 2. H307, Heat CONH2 COH COH NH2 Which method would give this ketone? CH2CH3 1. PhMgBr 2. H20+ 1. CH2CH_MgBr 2. Hz0 1. CH3CH2CN 2. PhCN. CHCH,COCI, AICI: 2 and 3 only 1 and 3 only What is the product of this reaction: 1. NaCN Br 2. H20*, Heat CONH, COH CO2H NH2 OD OB OA 1. NaOET 2. PhCH BY 3. H20+, Heat Een inn i...
20. Which compound(s) can form a carboxylic acid if the proper reagent and proper conditions are chosen? 1. CH,CH,CH(OH)CH; II. CH3CH (OH) III. (CH3),COH O only O and ill only O ill only ll only O All of these Submit >
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
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
Review Topics References 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 t-butanol(4) with conc. HC (then treat the product with KOH in alcoholch). Starting materials OH B Reagents a Mg/ dry other KMnO/H,0 . Aqueous H,SO, at reflux...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK - NH3 iii 1. O pH 5, NaCNBH3 2. NH NH2, heat ii 1. NaCN Br iy 2. LiAlH4, ether 3. H20 OTS 1. NaN, 2. LiAlH4, ether 3. H2O (Ts= para-toluenesulfonyl) i ii iii ✓iv
Starting with diethylmalonate, which sequence of reactions will give cyclopropane carboxylic acid? -0% OH Eto OEt 1. Excess KOEt 2. Br(CH2)5Br 3. H2O/H307, A O A. 1. Excess KOEt 2. Br(CH2)4Br 3.H2O/H307, A ОВ. 1. Excess KOEt 2. 1,1-dibromocyclopentane 3. H2O/H307, A Ос. 1. Excess KOEt 2. C5H9Br 3. H2O/H307, A OD Which is a mechanistic step in the sulfonation of benzene? SO3H fuming H2SO4 S SEO OH OH A B с D А B с D Which compound has...
10. Which of the following reactions will produce (S)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK .- NH3 1. pH 5, NaCNBH3 2. NH2NH2, heat OTS ii 1. NaCN iv Br 2. LiAIH4, ether 3. H20 1. NaN3 2. LiAIHA, ether 3. H20 (Ts= para-toluenesulfonyl)
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in an ester. How many nelementary mechanic steps are reasonable for this transformation? 3 7 QUESTION 42 Which of the following compounds would have a quartet in the NMR spectrum near 4.1? COH CHO Y Śs II III IV 0 0 0 0 111 IV TION 2 Which of the following are romane QUESTION QUESTION 4 Which structure has the correct formal charge? F* CI...
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