Homework Answers
6a) Since only one compound contain alpha hydrogen hence only product is formed.
b) Since active methylene compounds are more acidic thus only it deprotonate to give single product.
c) Since only one reactant is present before base added and second reagent is added after it thus single product is formed.
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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 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
4. In the following reaction the aldol product C is difficult to isolate, and even without...
4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН н NaOH Н Н.о н С 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH + Н.о 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. Но Н...
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...
3. Give the major organic aldol product for each reaction, along with the dehydration product (if...
3. Give the major organic aldol product for each reaction, along with the dehydration product (if possible) formed after heating. NaOH HO NaOH HO NaOH heat H2O 4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН Ін 10-4 NaOH HO 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH HO
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
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
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic...
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. В 2. Give the curved arrow mechanism for each aldol reaction. O Он NaOH a. Н.о Н Н ОН NaOH Н.о NaOH, H2O heat Н NaOH, H2O d. heat н"
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic...
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. 2. Give the curved arrow mechanism for each aldol reaction. est NaOH, H, heat NaOH, H, heat 3. Give the major organic aldol product for each reaction, along with the dehydration produs possible) formed after heating. NaOH H,0 heat NaOH heat HO heat NaOH HO
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...
Give all possible products from the following mixed aldol reaction and show how they can be...
Give all possible products from the following mixed aldol reaction and show how they can be formed. 0 H Н,О н
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
4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН н NaOH Н Н.о н С 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH + Н.о 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. Но Н...
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...
3. Give the major organic aldol product for each reaction, along with the dehydration product (if possible) formed after heating. NaOH HO NaOH HO NaOH heat H2O 4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН Ін 10-4 NaOH HO 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH HO
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
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
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. В 2. Give the curved arrow mechanism for each aldol reaction. O Он NaOH a. Н.о Н Н ОН NaOH Н.о NaOH, H2O heat Н NaOH, H2O d. heat н"
Condensation Reactions Homework (Chapter 19) NAME 1. Explain why aldehyde A is more reactive to nucleophilic addition reactions than ketone B. 2. Give the curved arrow mechanism for each aldol reaction. est NaOH, H, heat NaOH, H, heat 3. Give the major organic aldol product for each reaction, along with the dehydration produs possible) formed after heating. NaOH H,0 heat NaOH heat HO heat NaOH HO
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...
Give all possible products from the following mixed aldol reaction and show how they can be formed. 0 H Н,О н
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