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Give the major organic product of each reaction. 8. a. LDA н b. H c. mild...
8. Give the major organic product of each reaction. NaOH,H,O c. mild H a. LDA b....
8. Give the major organic product of each reaction. NaOH,H,O c. mild H a. LDA b. مل، بل NaOH,H,O, heat c. mild H NaOH, H2O NaOH,H,O ) 9. Give the major organic product of each intramolecular Aldol reaction. NaOH,HO heat NaOH, H20 heat NaOH, H0
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
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction...
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. + Н,о "СС, NaOH b. Н.о a. LDA c. b. О H н 7. Give the curved arrow mechanism for this reaction. NaOH, H,O Н heat
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'
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
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions...
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions favor one product instead of generating a mixture of products. NaOH HO H CCI, NaOH HO a. LDA ht 7. Give the curved arrow mechanism for this reaction. he NaOH, H2O heat halla Τ Η 3. Give the major organic aldol product for each reaction, along with the dehydration product possible) formed after heating. NaOH heat H2O heat NaOH H2O ix heat NaOH HO
9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H2O heat NaOH, H2O...
9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H2O heat NaOH, H2O b. H heat NaOH,H,O NaOH, H2O heat 168
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...
HW 22: Enolates 1. Provide a detailed, stepwise mechanism for the base-catalyzed enolization (keto enol tautomerism) of acetaldehyde. 2. Provide the major organic product of the folowing reactio...
HW 22: Enolates 1. Provide a detailed, stepwise mechanism for the base-catalyzed enolization (keto enol tautomerism) of acetaldehyde. 2. Provide the major organic product of the folowing reaction. 3. Provide the major organic product of the following reaction LDA 4. Which of the following ketones will give a positive iodoform test? A) 4-heptanone D) cyclohexanone B) 3-hexanone C)2-hexanone 5. Provide the major organic product of the following reaction. 6. Provide the structure of the major organic product which results when...
12. Explain why a Claisen reaction occurs with ester E, but not with ester F. Eto...
12. Explain why a Claisen reaction occurs with ester E, but not with ester F. Eto EIO E F 13. Give the major organic product of each Claisen reaction. In some cases, no reaction is expected. a. NaOEt a. NaoMe OMe b. mild H Et01 b. mild H a. NaOMe a. NaOme. Meo MeO b. mild H MeO b. mild Hº 13 continued a. NaOE AOE a. NaOE, O Eto OE OE OEt c. mild H b. mild H a....
8. Give the major organic product of each reaction. NaOH,H,O c. mild H a. LDA b. مل، بل NaOH,H,O, heat c. mild H NaOH, H2O NaOH,H,O ) 9. Give the major organic product of each intramolecular Aldol reaction. NaOH,HO heat NaOH, H20 heat NaOH, H0
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
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. + Н,о "СС, NaOH b. Н.о a. LDA c. b. О H н 7. Give the curved arrow mechanism for this reaction. NaOH, H,O Н heat
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'
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
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions favor one product instead of generating a mixture of products. NaOH HO H CCI, NaOH HO a. LDA ht 7. Give the curved arrow mechanism for this reaction. he NaOH, H2O heat halla Τ Η 3. Give the major organic aldol product for each reaction, along with the dehydration product possible) formed after heating. NaOH heat H2O heat NaOH H2O ix heat NaOH HO
9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H2O heat NaOH, H2O b. H heat NaOH,H,O NaOH, H2O heat 168
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...
HW 22: Enolates 1. Provide a detailed, stepwise mechanism for the base-catalyzed enolization (keto enol tautomerism) of acetaldehyde. 2. Provide the major organic product of the folowing reaction. 3. Provide the major organic product of the following reaction LDA 4. Which of the following ketones will give a positive iodoform test? A) 4-heptanone D) cyclohexanone B) 3-hexanone C)2-hexanone 5. Provide the major organic product of the following reaction. 6. Provide the structure of the major organic product which results when...
12. Explain why a Claisen reaction occurs with ester E, but not with ester F. Eto EIO E F 13. Give the major organic product of each Claisen reaction. In some cases, no reaction is expected. a. NaOEt a. NaoMe OMe b. mild H Et01 b. mild H a. NaOMe a. NaOme. Meo MeO b. mild H MeO b. mild Hº 13 continued a. NaOE AOE a. NaOE, O Eto OE OE OEt c. mild H b. mild H a....
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