Homework Answers
alcohol on reaction with H2SO4 undergoes the dehydration
and forms the alkene and then reacts with Br2 and H2O and forms the
halohydrin and then reacts with base undergoes the deprotonation
and on rearrangement and forms the epoxide is the final
product
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31. What product will result when the following multistep sequence is applied to the starting material...
Outline the correct reaction sequence that will successfully transform the indicated starting material into the indicat...
Outline the correct reaction sequence that will successfully transform the indicated starting material into the indicated product. Input your answer as uninterrupted sequence of letters. Do not separate the letters by commas, spaces, dashes, or anything else. If you do then the robo-grader will not recognize it as the correct answer. Br OH A. CH3COOOH B. H2SO4 / Heat C. Na2Cr207/ H20 / H2SO4/ Heat D. KO-t-Bu (for E2) E. NaNH2, then Mel F. NBS / light G. BH3-THF, then...
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2....
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2. LIAIHA 3. H20 'N NK CN NH2 What is the major product in the following reaction? 1. DIBAL 2. H20 O H O OH OH СІ Which reaction sequence would accomplish this transformation? CN H2SO4/HNO3 Br2 NaNO2/HCI CuCN O Br2/FeBr3 H2SO4/HNO3 KF NaNO2/HCI O H2SO4/HNO3 Zn(Hg)/HCI NaNO2/HCI CuCN o H2SO4/HNO3 Zn(Hg/HCI NaNO2/HCI HBF4
Provide a multistep synthesis for the desired product using the indicated starting material. You may use...
Provide a multistep synthesis for the desired product using the indicated starting material. You may use any additional reagents you wish, but all carbons in the starting material must end up in the product. Do not draw any curved-arrow mechanisms. The best answer will require seven or fewer steps. Starting Material ou (+/-) Desired Product
Provide a multistep synthesis for the desired product using the indicated starting material. You may use...
Provide a multistep synthesis for the desired product using the indicated starting material. You may use any additional reagents you wish, but all carbons the starting material must end up in the product Do not draw any curved-arrow mechanisms. The best answer will require nine or fewer steps. H Starting Material (+/-) Desired Product
What would be the ideal starting material of the following reactions? (The correct answers are circled,...
What would be the ideal starting material of the following
reactions? (The correct answers are circled, but I do not
understand how those are the right answers.... please draw the
mechanism or explain why those are correct).
10-11. (24 pts) What would be the ideal starting material of the following reaction? 10. (4 pts) HBr OH OH Ho NC Br 11 (4 pts) NaH OH b) Na c) Br (e) OH Br Na OH
What would be the major product of the following reaction sequence? D + H20 Br2 OH...
What would be the major product of the following reaction sequence? D + H20 Br2 OH heat Br Br Br -Br I II ITI IV V Select one or more ob 11 C. Od V Lev
Provide a reasonable multistep synthesis of the following molecule from the indicated starting material, using any...
Provide a reasonable multistep synthesis of the following
molecule from the indicated starting material, using any reagents
necessary. (Please include the product and reagents of each
individual step in your synthesis.
DER
Write out the multistep reaction problems for each of the following: Starting Material Desired product (racemic)...
Write out the multistep reaction problems for each of the
following:
Starting Material Desired product (racemic) ОН OHN CH3 We were unable to transcribe this imageIZ
26. Select the product for the transformation indicated: CO Me COMO Meo OME NaoMe MOH CO,...
26. Select the product for the transformation indicated: CO Me COMO Meo OME NaoMe MOH CO, Me 7 dil HCI ? OH CO, Me A. C D B. 27. Select the needed sequence of reactions to load from the starting material to the desired product: OH 0 OH A. PCC / Nah, MeOH / LDA, acetaldehyde / dil. HCI ? B. H.CrO4/LDA, Mel / LDA. propanal i dil. HCI C. MCPBA / Nah, MeBr / Nah, propyl-1/KOH D. NBS /...
Propose a synthesis to obtain the indicated product from the starting material (note that this process...
Propose a synthesis to obtain the indicated product from the starting material (note that this process cannot be done in one step). Br, Br ? НС—СН X CH₃ Н.С The letters below represent many of the reagents you have learned in chapters 6-7. In the space below, enter the letters of the reagents you will use, in the order you will use them. Note: enter only letters, without spaces, commas, or any other separation of the letters (e.g. dna) a....
Outline the correct reaction sequence that will successfully transform the indicated starting material into the indicated product. Input your answer as uninterrupted sequence of letters. Do not separate the letters by commas, spaces, dashes, or anything else. If you do then the robo-grader will not recognize it as the correct answer. Br OH A. CH3COOOH B. H2SO4 / Heat C. Na2Cr207/ H20 / H2SO4/ Heat D. KO-t-Bu (for E2) E. NaNH2, then Mel F. NBS / light G. BH3-THF, then...
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2. LIAIHA 3. H20 'N NK CN NH2 What is the major product in the following reaction? 1. DIBAL 2. H20 O H O OH OH СІ Which reaction sequence would accomplish this transformation? CN H2SO4/HNO3 Br2 NaNO2/HCI CuCN O Br2/FeBr3 H2SO4/HNO3 KF NaNO2/HCI O H2SO4/HNO3 Zn(Hg)/HCI NaNO2/HCI CuCN o H2SO4/HNO3 Zn(Hg/HCI NaNO2/HCI HBF4
Provide a multistep synthesis for the desired product using the indicated starting material. You may use any additional reagents you wish, but all carbons in the starting material must end up in the product. Do not draw any curved-arrow mechanisms. The best answer will require seven or fewer steps. Starting Material ou (+/-) Desired Product
Provide a multistep synthesis for the desired product using the indicated starting material. You may use any additional reagents you wish, but all carbons the starting material must end up in the product Do not draw any curved-arrow mechanisms. The best answer will require nine or fewer steps. H Starting Material (+/-) Desired Product
What would be the ideal starting material of the following
reactions? (The correct answers are circled, but I do not
understand how those are the right answers.... please draw the
mechanism or explain why those are correct).
10-11. (24 pts) What would be the ideal starting material of the following reaction? 10. (4 pts) HBr OH OH Ho NC Br 11 (4 pts) NaH OH b) Na c) Br (e) OH Br Na OH
What would be the major product of the following reaction sequence? D + H20 Br2 OH heat Br Br Br -Br I II ITI IV V Select one or more ob 11 C. Od V Lev
Provide a reasonable multistep synthesis of the following
molecule from the indicated starting material, using any reagents
necessary. (Please include the product and reagents of each
individual step in your synthesis.
DER
Write out the multistep reaction problems for each of the
following:
Starting Material Desired product (racemic) ОН OHN CH3 We were unable to transcribe this imageIZ
26. Select the product for the transformation indicated: CO Me COMO Meo OME NaoMe MOH CO, Me 7 dil HCI ? OH CO, Me A. C D B. 27. Select the needed sequence of reactions to load from the starting material to the desired product: OH 0 OH A. PCC / Nah, MeOH / LDA, acetaldehyde / dil. HCI ? B. H.CrO4/LDA, Mel / LDA. propanal i dil. HCI C. MCPBA / Nah, MeBr / Nah, propyl-1/KOH D. NBS /...
Propose a synthesis to obtain the indicated product from the starting material (note that this process cannot be done in one step). Br, Br ? НС—СН X CH₃ Н.С The letters below represent many of the reagents you have learned in chapters 6-7. In the space below, enter the letters of the reagents you will use, in the order you will use them. Note: enter only letters, without spaces, commas, or any other separation of the letters (e.g. dna) a....
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