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5. (20 pts) For this roadmap synthesis, provide the initial starting material, as well as all...
6. (20 pts) Write the structure of the missing starting material, three missing intermediates, and one of the final...
6. (20 pts) Write the structure of the missing starting material, three missing intermediates, and one of the final products, as well as the reagents needed between 2 and 3'intermediates. 6. (20 pts the heat products, as 1) NaNH, 1) NaNH2 2) CH31 2) CH3CH2Br OH . Que H2O H2SO4 (cat)
5. Devise a multi-step synthesis that will provide the product shown from the given starting material....
5. Devise a multi-step synthesis that will provide the product shown from the given starting material. (Challenging!) 6 Multiple Steps 3. When diastereomers I and I undergo an E2 elimination on treatment with sodium ethoxide in ethanol, one of the isomers react 500 times faster than the other one. Also, one isomer gives only A as a product and the other isomer gives a mixture of A and B as products. Determine the products of each isomer and explain your...
3. Devise a multi-step synthesis of the target molecule from the given starting material. Show all...
3. Devise a multi-step synthesis of the target molecule from the given starting material. Show all necessary reagents and conditions for each step and the product of each step. (7) OH BONUS: Please provide the arrow pushing mechanism of this reaction. Be sure to show a charges and stereochemistry where needed. To receive full credit, what is the name of this reaction? (4) NaOE HOE Br
3) Provide the starting material for the following reaction series. (0.5 pts) 3 6:0, 390, H40...
3) Provide the starting material for the following reaction series. (0.5 pts) 3 6:0, 390, H40 1a) BHTHE 1b) H2O2, NaOH 2) CrO2, H2SO4, H20 3) SOCI 4) CH,CH,OH, pyridine Lory (Provide starting material)
What starting material is required in order to complete the reaction scheme for the synthesis shown...
What starting material is required in order to complete the reaction scheme for the synthesis shown below? OCH3 1. Na 2. CH₂ Br CH₃ 7 I.NaNO2 / HCI 2. KI Product ? CH3 2 Br KMnO4 H₂o" heat CH3 1. HNO₃ H₂SO4 / heat 2. Sn / HCl 3. NaHCO₃
please solve all 8. Provide an efficient multi-step synthesis of 2 starting with 1. In your...
please solve all
8. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents used for each step by writing them over the arrow leading to cach of the specified products. At some point in your synthesis you must utilize the chemical(s) specified over the arrows. opo maeneo l 5. Draw the major product for each of the following reactions or reaction sequences. Show stereochemistry where appropriate. Assume aqueous workup. 1) Fe, HCI...
Which starting material would best accomplish this transformation? 1. SOCI2 2. CH3NH2 3. LiAlH4 4. H30*...
Which starting material would best accomplish this transformation? 1. SOCI2 2. CH3NH2 3. LiAlH4 4. H30* Н OH Br Which is the best starting material for the following reaction? CH3CH2NH2 ? pyridine HN o о NH2 С- CI OH Which are the best reagents for the following transformation? OCH3 core O 1. (CH3)2CHMgBr 2. H30+ 1. NaOH, heat 2. (CH3)2CHCH=PPh3 O 1. LiAlH4 2. TosCl, pyridine 3. (CH3)2CHCH Br O 1. DIBAL 2. (CH3)2CHCH=PPh3 What is the major product in...
Select all the possible reaction conditions that would enable the transformation of the starting material(s) into...
Select all the possible reaction conditions that would enable
the transformation of the starting material(s) into the
product(s).
Question 10 2 pts Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s) CI a) 1-butylamine, pyridine b) work-up a) butyl-1,4-diamine, pyridine b) work-up a) H2SO4 (cat.), pyridine b) work-up a) Pyrrolidine, pyridine b)work-up a) Pyridine b) work-up
Question 10 2 pts Select all the possible reaction conditions that would enable the transformation...
Specify the reagent you would use in each step of the following synthesis: step 1 step...
Specify the reagent you would use in each step of the following synthesis: step 1 step 2 step 2 Reagents Available a. LIAIHA f. PBr3 b. H2SO4 c. HCI d. HBO e. SOC2 k. CH3CH MgBr g. Dess-Martin periodinane (DMP) I. CH.MgBr (phenylmagnesium bromide) h. Nah m. (CH3)2CHMgBr 1. NaOH n. Croz J. CH3MgBr Write the letters of the reagents in the boxes below. Reagent for step 1 Reagent for step 2 Submit Answer Retry Entire Group 9 more group...
Select all the possible reaction conditions that would enable the transformation of the starting material(s) into...
Select all the possible reaction conditions that would enable
the transformation of the starting material(s) into the
product(s).
Question 2 2 pts Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s) ? OCH3 OH a) H2SO4(cat), CH3OH b) work-up a) PBr3, solvent b)work-up a) NaOH, H2O b) work-up a) H2SO 4(cat), H20 b) work-up a) SOCI2, CH30H b) work-up
Question 2 2 pts Select all the possible reaction conditions that would...
6. (20 pts) Write the structure of the missing starting material, three missing intermediates, and one of the final products, as well as the reagents needed between 2 and 3'intermediates. 6. (20 pts the heat products, as 1) NaNH, 1) NaNH2 2) CH31 2) CH3CH2Br OH . Que H2O H2SO4 (cat)
5. Devise a multi-step synthesis that will provide the product shown from the given starting material. (Challenging!) 6 Multiple Steps 3. When diastereomers I and I undergo an E2 elimination on treatment with sodium ethoxide in ethanol, one of the isomers react 500 times faster than the other one. Also, one isomer gives only A as a product and the other isomer gives a mixture of A and B as products. Determine the products of each isomer and explain your...
3. Devise a multi-step synthesis of the target molecule from the given starting material. Show all necessary reagents and conditions for each step and the product of each step. (7) OH BONUS: Please provide the arrow pushing mechanism of this reaction. Be sure to show a charges and stereochemistry where needed. To receive full credit, what is the name of this reaction? (4) NaOE HOE Br
3) Provide the starting material for the following reaction series. (0.5 pts) 3 6:0, 390, H40 1a) BHTHE 1b) H2O2, NaOH 2) CrO2, H2SO4, H20 3) SOCI 4) CH,CH,OH, pyridine Lory (Provide starting material)
What starting material is required in order to complete the reaction scheme for the synthesis shown below? OCH3 1. Na 2. CH₂ Br CH₃ 7 I.NaNO2 / HCI 2. KI Product ? CH3 2 Br KMnO4 H₂o" heat CH3 1. HNO₃ H₂SO4 / heat 2. Sn / HCl 3. NaHCO₃
please solve all
8. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents used for each step by writing them over the arrow leading to cach of the specified products. At some point in your synthesis you must utilize the chemical(s) specified over the arrows. opo maeneo l 5. Draw the major product for each of the following reactions or reaction sequences. Show stereochemistry where appropriate. Assume aqueous workup. 1) Fe, HCI...
Which starting material would best accomplish this transformation? 1. SOCI2 2. CH3NH2 3. LiAlH4 4. H30* Н OH Br Which is the best starting material for the following reaction? CH3CH2NH2 ? pyridine HN o о NH2 С- CI OH Which are the best reagents for the following transformation? OCH3 core O 1. (CH3)2CHMgBr 2. H30+ 1. NaOH, heat 2. (CH3)2CHCH=PPh3 O 1. LiAlH4 2. TosCl, pyridine 3. (CH3)2CHCH Br O 1. DIBAL 2. (CH3)2CHCH=PPh3 What is the major product in...
Select all the possible reaction conditions that would enable
the transformation of the starting material(s) into the
product(s).
Question 10 2 pts Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s) CI a) 1-butylamine, pyridine b) work-up a) butyl-1,4-diamine, pyridine b) work-up a) H2SO4 (cat.), pyridine b) work-up a) Pyrrolidine, pyridine b)work-up a) Pyridine b) work-up
Question 10 2 pts Select all the possible reaction conditions that would enable the transformation...
Specify the reagent you would use in each step of the following synthesis: step 1 step 2 step 2 Reagents Available a. LIAIHA f. PBr3 b. H2SO4 c. HCI d. HBO e. SOC2 k. CH3CH MgBr g. Dess-Martin periodinane (DMP) I. CH.MgBr (phenylmagnesium bromide) h. Nah m. (CH3)2CHMgBr 1. NaOH n. Croz J. CH3MgBr Write the letters of the reagents in the boxes below. Reagent for step 1 Reagent for step 2 Submit Answer Retry Entire Group 9 more group...
Select all the possible reaction conditions that would enable
the transformation of the starting material(s) into the
product(s).
Question 2 2 pts Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s) ? OCH3 OH a) H2SO4(cat), CH3OH b) work-up a) PBr3, solvent b)work-up a) NaOH, H2O b) work-up a) H2SO 4(cat), H20 b) work-up a) SOCI2, CH30H b) work-up
Question 2 2 pts Select all the possible reaction conditions that would...
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