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page 3 of 5 Chem 231, Assignment 5 Part II - Reactions (16 marks] Draw the...
Part II - Reactions (16 marks] Draw the expected major product(s) for each of the following...
Part II - Reactions (16 marks] Draw the expected major product(s) for each of the following reactions. Question Answer 8. 1. NaH OH ? 2. OTs 9. NBS ? major product 10. Nal Br ? Acetone Br 11. 1. NaNH2 H3C-CECH ? 2. OTS 12. OH Br NaOH ? cyclic compound 13. OH HBT ? 14. ? OH cat. H2SO4 H20 Room temp. 15. Br MeOH
Thank you! Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5....
Thank you!
Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5. Alcohol Reactions Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes (only organic molecules HCI a H20 H2SO4 (cat.) b. + H2O Δ MAJOR product Minor product H,904 (cat.) + H2O HBr d. + H20 OH A MAJOR product Minor...
Problem 10. Draw the structure of the major product formed in each of the following reactions....
Problem 10. Draw the structure of the major product formed in each of the following reactions. Consider the resulting stereochemistry of the products formed (6p) KBr ng MeOH NaF DMSO H2(g), Pd (cat.) c) Solvent OH 1) NaH (strong base) THF (solvent) d) 2) CI Nal e) CI Acetone
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions...
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
Organic chem please help 3. Each of the following reactions gives a substitution product. Identify the...
Organic chem please help
3. Each of the following reactions gives a substitution product. Identify the major product in each case and indicate whether the reaction is likely to proceed via a bimolecular (SN2) or a unimolecular (SN1) mechanism. (8 pts) SO2CF3 Nal a) acetone CH3OH b) OMs 80% H2O CH3CH2OH c) Br NaCN DMF d)
Unit 3 Hinw '3 SNİSNDELE2 1. Give the major product(s) for the following reactions. Indicate the...
Unit 3 Hinw '3 SNİSNDELE2 1. Give the major product(s) for the following reactions. Indicate the mec reaction occurs, write "no reaction. s) in operation. If no KOC(CH) (CH COH b. H3C NaNH2 NHy Nal H3C H2CH-CH3 CH,COCH CH OH CH3 2. Give the mechanism of each of the following reactions. NaCN CH CH CHCN NaBr a. CH,CH,CH Br acetone HSCH,CH (CH) CSCH,CH3 HBr Cl + NaCI + CH OH NaOCH CH3OH Br CH OH CH3
Chem 231, Assignment 5 page 6 of 5 Part IV - Multistep Synthesis [14 marks] A....
Chem 231, Assignment 5 page 6 of 5 Part IV - Multistep Synthesis [14 marks] A. Propose a synthesis of compound A starting from dimethyl malonate. When choosing your synthetic steps, you can use any hydrocarbon with three or fewer carbon atoms, any solvents or inorganic reagents, and any organic reagents that do not contribute carbon atoms to the carbon skeleton in the product. Clearly show the required reagents and the product of each step. You do not need to...
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless...
2. Predict the major organic product(s) of the
reactions below. Assume 1 equivalent of reagent unless otherwise
stated, it's a solvent, or an oxidizing/reducing agent. Do consider
stereochemistry and regioselectivity.
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless otherwise stated, it's a solvent, or an oxidizing/reducing agent. Do consider stereochemistry and regioselectivity. (3 points each; 15 points total) A. Me 1. HNO3 2. O3 3. DMS 1. mCPBA, DCM (1 equiv) 2....
Part I – Reactions Draw the expected major product(s) or required reagent(s) for each of the...
Part I – Reactions Draw the expected major product(s) or
required reagent(s) for each of the following reactions.
Part 1 - Reactions (20 marks) Draw the expected major product(s) or required reagent(s) for each of the following reactions. Question Answer 1. MgBr 1. CH3CN 2. H30* 2. OH HT ОН 3. Br PPh3 1. BULI 2. CH20 CI (1 mole) ОН 5. 1. LDA ? (directed aldol condensation) 2. CH3CHO 6. HO H (cat) OH ? (cyclic anhydride) . (-H20)...
33. What is the product for the following sequence of 1. Acetylchloride, AICI, 2. Zn(Hg), HCI...
33. What is the product for the following sequence of 1. Acetylchloride, AICI, 2. Zn(Hg), HCI reactions? Practice Which is the major isolated organic product after this series of steps? 1. LDA 2. EIB 3. M,0". Bry 3. NBS 4. PPhy 5. n-Buli 6. acetone 7. m-CPBA B. C. D. D. E. What is the reactant for the following sequence of reactions? 1. NOEI 2. HA OH 3. H,O heat 5. LDA & EB 7. NAH, OH & olyang 315...
Part II - Reactions (16 marks] Draw the expected major product(s) for each of the following reactions. Question Answer 8. 1. NaH OH ? 2. OTs 9. NBS ? major product 10. Nal Br ? Acetone Br 11. 1. NaNH2 H3C-CECH ? 2. OTS 12. OH Br NaOH ? cyclic compound 13. OH HBT ? 14. ? OH cat. H2SO4 H20 Room temp. 15. Br MeOH
Thank you!
Chem 202, Summer 2020 Homework Packet 5 part 2 (Subt and Elim Reactions) 5. Alcohol Reactions Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes (only organic molecules HCI a H20 H2SO4 (cat.) b. + H2O Δ MAJOR product Minor product H,904 (cat.) + H2O HBr d. + H20 OH A MAJOR product Minor...
Problem 10. Draw the structure of the major product formed in each of the following reactions. Consider the resulting stereochemistry of the products formed (6p) KBr ng MeOH NaF DMSO H2(g), Pd (cat.) c) Solvent OH 1) NaH (strong base) THF (solvent) d) 2) CI Nal e) CI Acetone
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
Organic chem please help
3. Each of the following reactions gives a substitution product. Identify the major product in each case and indicate whether the reaction is likely to proceed via a bimolecular (SN2) or a unimolecular (SN1) mechanism. (8 pts) SO2CF3 Nal a) acetone CH3OH b) OMs 80% H2O CH3CH2OH c) Br NaCN DMF d)
Unit 3 Hinw '3 SNİSNDELE2 1. Give the major product(s) for the following reactions. Indicate the mec reaction occurs, write "no reaction. s) in operation. If no KOC(CH) (CH COH b. H3C NaNH2 NHy Nal H3C H2CH-CH3 CH,COCH CH OH CH3 2. Give the mechanism of each of the following reactions. NaCN CH CH CHCN NaBr a. CH,CH,CH Br acetone HSCH,CH (CH) CSCH,CH3 HBr Cl + NaCI + CH OH NaOCH CH3OH Br CH OH CH3
Chem 231, Assignment 5 page 6 of 5 Part IV - Multistep Synthesis [14 marks] A. Propose a synthesis of compound A starting from dimethyl malonate. When choosing your synthetic steps, you can use any hydrocarbon with three or fewer carbon atoms, any solvents or inorganic reagents, and any organic reagents that do not contribute carbon atoms to the carbon skeleton in the product. Clearly show the required reagents and the product of each step. You do not need to...
2. Predict the major organic product(s) of the
reactions below. Assume 1 equivalent of reagent unless otherwise
stated, it's a solvent, or an oxidizing/reducing agent. Do consider
stereochemistry and regioselectivity.
2. Predict the major organic product(s) of the reactions below. Assume 1 equivalent of reagent unless otherwise stated, it's a solvent, or an oxidizing/reducing agent. Do consider stereochemistry and regioselectivity. (3 points each; 15 points total) A. Me 1. HNO3 2. O3 3. DMS 1. mCPBA, DCM (1 equiv) 2....
Part I – Reactions Draw the expected major product(s) or
required reagent(s) for each of the following reactions.
Part 1 - Reactions (20 marks) Draw the expected major product(s) or required reagent(s) for each of the following reactions. Question Answer 1. MgBr 1. CH3CN 2. H30* 2. OH HT ОН 3. Br PPh3 1. BULI 2. CH20 CI (1 mole) ОН 5. 1. LDA ? (directed aldol condensation) 2. CH3CHO 6. HO H (cat) OH ? (cyclic anhydride) . (-H20)...
33. What is the product for the following sequence of 1. Acetylchloride, AICI, 2. Zn(Hg), HCI reactions? Practice Which is the major isolated organic product after this series of steps? 1. LDA 2. EIB 3. M,0". Bry 3. NBS 4. PPhy 5. n-Buli 6. acetone 7. m-CPBA B. C. D. D. E. What is the reactant for the following sequence of reactions? 1. NOEI 2. HA OH 3. H,O heat 5. LDA & EB 7. NAH, OH & olyang 315...
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