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Stereophysical organic chemistry
Q2: Give suitable mechanism for each reaction? 1. H C -Br + EtoNa...
Give the major organic product of each reaction. 8. a. LDA н b. H c. mild...
Give the major organic product of each reaction. 8. a. LDA н b. H c. mild H NaOH, H,O н a, LDA b. f. н NaOH, H,O, heat c. mild H NaOH, H,O O NaOH, H,O H CYD a. LDA b. d. h. NaOH, H,O, heat c. mild H*, heat 9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H,O a. heat H NaOH, H2O b. heat NaOH, H,O NaOH, H20 d. heat 10. Propose starting materials...
1. Provide the major organic product(s) for each step of the reaction below. 1. PhP Br...
1. Provide the major organic product(s) for each step of the reaction below. 1. PhP Br 2. Buli 3. 3-pentanone 2. Provide the major organic product(s) for each step of the reaction below. 1. CH3CH2CH2NH2, H* (cat.) 2. NaBH(OAC); 3. Give the organic product and mechanism for the reaction. cң, сн,сн, на NH,NH OOH
11. Give the curved arrow mechanism for each Claisen reaction. a. NaOEt a. b. mild H...
11. Give the curved arrow mechanism for each Claisen reaction. a. NaOEt a. b. mild H EtO EtO HEEO EEO Et Eto EtO Eto Etdo 169 11 continued a. NaOMe МеO' b. b. mild H МеO'
13. Give the curved arrow mechanism for each alkylation reaction. a. LiNiPr, (LDA) a. b. CH,Br CH, a. LiNiPr, (LDA)...
13. Give the curved arrow mechanism for each alkylation reaction. a. LiNiPr, (LDA) a. b. CH,Br CH, a. LiNiPr, (LDA) b. CHy-CHCH, b. 14. Explain why reaction G gives good yields of the product shown, while the yields are not as good with reaction H. о a. LDA G: b. CH,I CH a. LDA H: b. CH,I CHy 15. Give the major organic product of each reaction. Cl2 a. LDA CH,CO,H b. PЬСH, a. LDA Br2 b. f. b. CH,CH,CI...
16. Give the major organic product of each Claisen reaction. a. NOF: A WHO it heat b. H.H.O. ETO a. NaoMe b. H. H,0...
16. Give the major organic product of each Claisen reaction. a. NOF: A WHO it heat b. H.H.O. ETO a. NaoMe b. H. H,0,hea MCO- a. NaOE. a. NaOme. O Mco CCH) OMe b. H.H.O, heat 17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. F10 1 1 1 d. EOYOE 1 Ph YYY = 1
10. Propose starting materials needed to synthesize each molecule through an aldol reaction. a. b. c. d. H f. 11....
10. Propose starting materials needed to synthesize each molecule through an aldol reaction. a. b. c. d. H f. 11. Give the curved arrow mechanism for each Claisen reaction. a. NaOEt a. b. mild H EtO EtO 1 11 continued a. NaOMe MeO b. b. mild H МеO a. NaOEt с. b. mild H
9. Give the curved arrow mechanism for each reaction. H2SO4 b. H,o OH c. H20 H2SO...
9. Give the curved arrow mechanism for each reaction. H2SO4 b. H,o OH c. H20 H2SO d. OH H2o 10. For the following reaction, H,so, H,O он a. Give the curved arrow mechanism for the reaction, showing formation of both products b. Identify the major product and explain why it is favored. c. Draw the energy diagram for the formation of the major product. 11. Give the major organic product for the following reactions. If a racemic mixture is expected,...
5. For each reaction below, draw the major organic product and give the mechanism for its...
5. For each reaction below, draw the major organic product and give the mechanism for its formation: 25°C (S)-3-Bromo-3-methylhexane a. isopropanol OTS KCN, DME b. KOCH2CH3 CH2CH2OH
Organic Chemistry! Any help would be great! 1. This reaction obeys Markovnikov selectivity: Br HBr M...
Organic Chemistry! Any help would be great!
1. This reaction obeys Markovnikov selectivity: Br HBr M HBr w a. Describe what is meant by Markovnikov selectivity. b. Mechanistically, what is the basis for the regioselectivity? 2. If peroxides were added to the reaction above, anti-Markovnikov selectivity would be observed. What is the anti-Markovnikov product and why is it formed? (See 10.5) 3. Give the major product of each reaction. 1. BHz, THE 2. H2O2, NaOH peroxy acid Br2, H2O
organic chemistry help! 1) for each reaction give the expected product 2) consider the conjugate bases,...
organic chemistry help!
1) for each reaction give the expected product
2) consider the conjugate bases, then arrange in order of
weakest to strongest
1. For each reaction give the expected product. 1. N(CH3)3 2. CICH,CH(CH3)2 CH3MgBr a) HO 1. KMnO4 2.SOCI2 d) CH 1. NaCN, DMSO (solvent) 2. LiAIHA 3. H₂O 2. Consider the conjugate bases of each of the following weak acids, then arrange the acids in order of weakest to strongest CI OH он OH
Give the major organic product of each reaction. 8. a. LDA н b. H c. mild H NaOH, H,O н a, LDA b. f. н NaOH, H,O, heat c. mild H NaOH, H,O O NaOH, H,O H CYD a. LDA b. d. h. NaOH, H,O, heat c. mild H*, heat 9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H,O a. heat H NaOH, H2O b. heat NaOH, H,O NaOH, H20 d. heat 10. Propose starting materials...
1. Provide the major organic product(s) for each step of the reaction below. 1. PhP Br 2. Buli 3. 3-pentanone 2. Provide the major organic product(s) for each step of the reaction below. 1. CH3CH2CH2NH2, H* (cat.) 2. NaBH(OAC); 3. Give the organic product and mechanism for the reaction. cң, сн,сн, на NH,NH OOH
11. Give the curved arrow mechanism for each Claisen reaction. a. NaOEt a. b. mild H EtO EtO HEEO EEO Et Eto EtO Eto Etdo 169 11 continued a. NaOMe МеO' b. b. mild H МеO'
13. Give the curved arrow mechanism for each alkylation reaction. a. LiNiPr, (LDA) a. b. CH,Br CH, a. LiNiPr, (LDA) b. CHy-CHCH, b. 14. Explain why reaction G gives good yields of the product shown, while the yields are not as good with reaction H. о a. LDA G: b. CH,I CH a. LDA H: b. CH,I CHy 15. Give the major organic product of each reaction. Cl2 a. LDA CH,CO,H b. PЬСH, a. LDA Br2 b. f. b. CH,CH,CI...
16. Give the major organic product of each Claisen reaction. a. NOF: A WHO it heat b. H.H.O. ETO a. NaoMe b. H. H,0,hea MCO- a. NaOE. a. NaOme. O Mco CCH) OMe b. H.H.O, heat 17. Propose starting materials needed to synthesize each molecule through a Claisen reaction. a. F10 1 1 1 d. EOYOE 1 Ph YYY = 1
10. Propose starting materials needed to synthesize each molecule through an aldol reaction. a. b. c. d. H f. 11. Give the curved arrow mechanism for each Claisen reaction. a. NaOEt a. b. mild H EtO EtO 1 11 continued a. NaOMe MeO b. b. mild H МеO a. NaOEt с. b. mild H
9. Give the curved arrow mechanism for each reaction. H2SO4 b. H,o OH c. H20 H2SO d. OH H2o 10. For the following reaction, H,so, H,O он a. Give the curved arrow mechanism for the reaction, showing formation of both products b. Identify the major product and explain why it is favored. c. Draw the energy diagram for the formation of the major product. 11. Give the major organic product for the following reactions. If a racemic mixture is expected,...
5. For each reaction below, draw the major organic product and give the mechanism for its formation: 25°C (S)-3-Bromo-3-methylhexane a. isopropanol OTS KCN, DME b. KOCH2CH3 CH2CH2OH
Organic Chemistry! Any help would be great!
1. This reaction obeys Markovnikov selectivity: Br HBr M HBr w a. Describe what is meant by Markovnikov selectivity. b. Mechanistically, what is the basis for the regioselectivity? 2. If peroxides were added to the reaction above, anti-Markovnikov selectivity would be observed. What is the anti-Markovnikov product and why is it formed? (See 10.5) 3. Give the major product of each reaction. 1. BHz, THE 2. H2O2, NaOH peroxy acid Br2, H2O
organic chemistry help!
1) for each reaction give the expected product
2) consider the conjugate bases, then arrange in order of
weakest to strongest
1. For each reaction give the expected product. 1. N(CH3)3 2. CICH,CH(CH3)2 CH3MgBr a) HO 1. KMnO4 2.SOCI2 d) CH 1. NaCN, DMSO (solvent) 2. LiAIHA 3. H₂O 2. Consider the conjugate bases of each of the following weak acids, then arrange the acids in order of weakest to strongest CI OH он OH
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