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Propose an efficient synthesis for the transformation below. Enter the appropriate number of letter from the...
Propose an efficient synthesis for the transformation below, using two sequential reductive aminations. Enter the appropriate number...
Propose an efficient synthesis for the transformation below,
using two sequential reductive aminations. Enter
the appropriate number or letter from the reagent list handout.
Propose an efficient synthesis for the transformation below, using two sequential reductive aminations. Enter the appropriate number or letter from the reagent list handout. Step 1 + NaBH3CN, H+, Step 2 - NaBH3CN, H+ Reagent List (Updated 4/30/2020) Enter # or letter in the appropriate boxes. Note: Exam responses are case insensitive Alkyl Halides (X = Cl,...
Post-Lecture Quiz Q#4 Worksheet 19.3 Q3(c) Propose an efficient synthesis for the transformation below ОН OH...
Post-Lecture Quiz Q#4 Worksheet 19.3 Q3(c) Propose an efficient synthesis for the transformation below ОН OH Hint: This one does NOT involve a Wittig reaction See last slide for reagent options Post-Lecture Quiz Q#3 and Q#4 Reagent options (a) LAH, then H20 (b) H30*, heat (c) PhyP CH2 (d) Ph3P-CHCH, (e) Phyp-C(CH3)2 () Hg(OAc), H20 then NaBHA (h) BH, THF, then H2O3, NaOH (1) HBr + ROOR (1) MCPBA (6) KCN, HCN (1) Formaldehyde (m) Acetone (9) PCC
Propose an efficient synthesis for the following transformation. The transformation above can be performed with some...
Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A B Br2 HBr, ROOR cat. Os04, NMO D E H2, Pd F H2SO4, H20, HgSO4 HBO G 1) O3; 2) DMS H 1)...
Practice Problem 11.18a Propose an efficient synthesis for the following transformation. OH The transformation above can...
Practice Problem 11.18a Propose an efficient synthesis for the following transformation. OH The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A B с H2, Lindlar's cat. HBr, ROOR 1) xs NaNH2, 2) H2O D E F HBr Br2 H2S04, H20,...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
The correct order of reaction reagents to go from starting material to the desired product is:...
The correct order of reaction reagents to go from starting material to the desired product is: Reagents for the first reaction: Reagents for the second reaction: Reagents for the third reaction : Reagents for the fourth reaction : Who но OH HOT PPh3 1. R-Li 2. H30+ Но он K₂Cr₂O7 H2SO4 H20 RH н* 5 1. LiAlH4 PPh3 PPh3 H3O+ H2SO4 Heat 2. H20 RR HH 10 11 12 1. NaCN ROH RR RONa ROH NaOH R-NH2 2. H2O* H+...
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....
Integrated Problem 22.90 Incorrect. In the first asymmetric synthesis of (-)-(5,5)-homaline, a symmetric alkaloid isolated in...
Integrated Problem 22.90 Incorrect. In the first asymmetric synthesis of (-)-(5,5)-homaline, a symmetric alkaloid isolated in the early 1970s, a key intermediate was compound 2 (Tetradhedron Lett. 2012, 53, 1119-1121). Provide the reagents for converting compound 1 into compound 2. Make the tertiary amine at first. 'N, Me HN Two steps .CO.Me co Me Ph Ph 1 2 Choose from the list of reagents: NH NH Hyo, Na ByCN b. HjO", NBH CN HO. NaBHCN H H HC CH d....
Using the list, propose the forward synthesis of the retrosynthesis shown below (and number of steps...
Using the list, propose the forward synthesis of the retrosynthesis shown below (and number of steps can be used, so long as they get to the desired product in as high a regioselectivity as possible). Please report your answer by typing the letters/symbols sequentially OMe Meo CI Meo Meo A. Ph3PMeBr, KotBu, PhMe, 25 °C B. CuBr 0 °C C. Cuyo, Cu(NO3)2, H20.0°C D. CuCN, 0 °C E. SO3, H2SO4. 100 °C F. Cl2, FeCl3, THF, 65 °C G. Brz,...
Using the reagents list below, propose a synthesis of the target compound starting from benzene. Enter...
Using the reagents list below, propose a synthesis of the target
compound starting from benzene. Enter your answers as a list of
letters corresponding to the selected reagents in the order you
wish to use them. You may assume that all reactions are
approximately worked up and that mixtures of constitutional isomers
can be separated.
Remaining Time: 59 minutes, 08 seconds. Question Completion Status: Moving to another question will save this response. Question 1 Using the reagents listed below, propose...
Propose an efficient synthesis for the transformation below,
using two sequential reductive aminations. Enter
the appropriate number or letter from the reagent list handout.
Propose an efficient synthesis for the transformation below, using two sequential reductive aminations. Enter the appropriate number or letter from the reagent list handout. Step 1 + NaBH3CN, H+, Step 2 - NaBH3CN, H+ Reagent List (Updated 4/30/2020) Enter # or letter in the appropriate boxes. Note: Exam responses are case insensitive Alkyl Halides (X = Cl,...
Post-Lecture Quiz Q#4 Worksheet 19.3 Q3(c) Propose an efficient synthesis for the transformation below ОН OH Hint: This one does NOT involve a Wittig reaction See last slide for reagent options Post-Lecture Quiz Q#3 and Q#4 Reagent options (a) LAH, then H20 (b) H30*, heat (c) PhyP CH2 (d) Ph3P-CHCH, (e) Phyp-C(CH3)2 () Hg(OAc), H20 then NaBHA (h) BH, THF, then H2O3, NaOH (1) HBr + ROOR (1) MCPBA (6) KCN, HCN (1) Formaldehyde (m) Acetone (9) PCC
Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A B Br2 HBr, ROOR cat. Os04, NMO D E H2, Pd F H2SO4, H20, HgSO4 HBO G 1) O3; 2) DMS H 1)...
Practice Problem 11.18a Propose an efficient synthesis for the following transformation. OH The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A B с H2, Lindlar's cat. HBr, ROOR 1) xs NaNH2, 2) H2O D E F HBr Br2 H2S04, H20,...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
The correct order of reaction reagents to go from starting material to the desired product is: Reagents for the first reaction: Reagents for the second reaction: Reagents for the third reaction : Reagents for the fourth reaction : Who но OH HOT PPh3 1. R-Li 2. H30+ Но он K₂Cr₂O7 H2SO4 H20 RH н* 5 1. LiAlH4 PPh3 PPh3 H3O+ H2SO4 Heat 2. H20 RR HH 10 11 12 1. NaCN ROH RR RONa ROH NaOH R-NH2 2. H2O* H+...
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....
Integrated Problem 22.90 Incorrect. In the first asymmetric synthesis of (-)-(5,5)-homaline, a symmetric alkaloid isolated in the early 1970s, a key intermediate was compound 2 (Tetradhedron Lett. 2012, 53, 1119-1121). Provide the reagents for converting compound 1 into compound 2. Make the tertiary amine at first. 'N, Me HN Two steps .CO.Me co Me Ph Ph 1 2 Choose from the list of reagents: NH NH Hyo, Na ByCN b. HjO", NBH CN HO. NaBHCN H H HC CH d....
Using the list, propose the forward synthesis of the retrosynthesis shown below (and number of steps can be used, so long as they get to the desired product in as high a regioselectivity as possible). Please report your answer by typing the letters/symbols sequentially OMe Meo CI Meo Meo A. Ph3PMeBr, KotBu, PhMe, 25 °C B. CuBr 0 °C C. Cuyo, Cu(NO3)2, H20.0°C D. CuCN, 0 °C E. SO3, H2SO4. 100 °C F. Cl2, FeCl3, THF, 65 °C G. Brz,...
Using the reagents list below, propose a synthesis of the target
compound starting from benzene. Enter your answers as a list of
letters corresponding to the selected reagents in the order you
wish to use them. You may assume that all reactions are
approximately worked up and that mixtures of constitutional isomers
can be separated.
Remaining Time: 59 minutes, 08 seconds. Question Completion Status: Moving to another question will save this response. Question 1 Using the reagents listed below, propose...
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