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10.
Provide the reagents necessary to complete the following
transformation. 13. Provide the structure of the...
1) Predict the major product of the following reaction.
1) Predict the major product of the following reaction. 2) What synthetic goal is achieved by subjecting an alkene to an oxymercuration-demercuration sequence? A) syn-hydroxylation B) Markovnikov addition of H2O wherein skeletal rearrangement is prevented C) anti-Markovnikov addition of H2O wherein skeletal rearrangement is promoted D) Markovnikov addition of H2O wherein skeletal rearrangement is promoted E) anti-Markovnikov addition of H20 wherein skeletal rearrangement is prevented 3) Treatment of 2-methylpropene with which of the following reaction conditions results in an anti-Markovnikov addition product? (circle all that apply) A) dry...
20. Provide the reagents necessary to complete the following the following transformation. A. 1. BH3 THF2....
20. Provide the reagents necessary to complete the following the following transformation. A. 1. BH3 THF2. H2O2. HO- B. H20, H2SO4 C. OsO4 H202 D. CH3CO3H E. 1. CH3CO3H 2. H, H20 21. Provide the major organic product of the reaction below. 10. 2. (CHS uraw the major organic product generated in the reaction below. Pay particular attention to and stereochemical detail. CH3 CH, KMnO4 (warm, conc.) CH, H 23. Give the structure of the alkene which would yield the...
С. D. Which of the following sequences of reagents will be used to do the following transformation? он Он А. 1. KOt...
С. D. Which of the following sequences of reagents will be used to do the following transformation? он Он А. 1. KOtBu; 2. Hg(OAc)2, H2O; 3. NaBH 1. TsCl, pyr; 2. KO B ; 3. BH3-THF; 4. H202, NaOH 1. H2SO4, heat; 2. Hg(OAc), H2O; 3. NaBH 1. TsCl, pyr; 2. NaOH; 3. BH3 THF; 4. H202, NaOH В. С. 8. Select the best reagents for the reaction below. Br Br Na ? А. 1. OsO4; 2. NaHSO3, H20 В....
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
a) There are several reagents that can be used to effect addition to a double bond,...
a) There are several reagents that can be used to effect
addition to a double bond, including: acid and water,
oxymercuration--demercuration reagents, and
hydroboration--oxidation reagents. Inspect the final product and
select all the reasons why oxymercuration--demercuration was chosen
to effect the following transformation instead of the other
reagents.
b) Complete the mechanism for the reaction by adding curved
arrows. The reagents chosen for the transformation are: 1)
Hg(OAc)2, THF, H2O and 2) NaBH4, OH
25) What reagents can best be used to accomplish the following transformation? A) H+, H2O B)1....
25) What reagents can best be used to accomplish the following transformation? A) H+, H2O B)1. BH3-THF 2. Ho, H202 C)1. Hg(OAc)2, H2O/THF 2. NaBH4 D)1. Hg(O2CCF3)2 CH3OH 2. NaBH4 E) NaOH, H20
Draw the major organic product for each of the following reactions. The first and third product...
Draw the major organic product for each of the following
reactions. The first and third product are correct, but the second
one is not.
I am getting a hint for the second one that: "a rearrangement
will occur before water additions."
Thanks.
Draw the major organic product for each of the following reactions. 1. BH3, THF 1. Hg (OAC)2, H20 2. NaOH, H20, H202 H2SO4 2. NaBH4 H20
2) Provide the structure of the major organic product of the reaction below. -CH3 Br2, H2O...
2) Provide the structure of the major organic product of the reaction below. -CH3 Br2, H2O 3) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. H, H20 dilute aqueous acid 4) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH3 1. Hg(OAc)2, H20 2. NaBH 5) Provide the structure of the major organic product of the reaction below. 1. BH3...
он Choose from the following list of reagents: H2, Lindlar's catalyst PCC, CH2Cl2 1) Br2 2)...
он Choose from the following list of reagents: H2, Lindlar's catalyst PCC, CH2Cl2 1) Br2 2) xs NaNH2 3) H20 1) NaNH2 2) H20 1) BH3 THF 2) H202, NaOH 9 H2CrO4 1) Hg(OAc)2, H20 dilute H2S04 H202, NaOH MCPBA 2) NaBH4 Enter the correct letter for each step of the reaction in the boxes below. (Reagents cannot be used more than once.) Step A: Step B:
Provide the major product for the following reaction? (2)Zn, H* ano Provide the major product for...
Provide the major product for the following reaction? (2)Zn, H* ano Provide the major product for the following reaction? Br2 CH Cl2 H- S Provide the major product for the following reaction? heat H- -H Provide the major product for the following reaction? 1) Hg(OAc)2, H20/TH 2) NABH4 н- H Provide the major product for the following reaction? (1) BH3, ether HO-0H (2) Provide the major product for the following reaction? (1) BH3, ether (2) H202 OH
20. Provide the reagents necessary to complete the following the following transformation. A. 1. BH3 THF2. H2O2. HO- B. H20, H2SO4 C. OsO4 H202 D. CH3CO3H E. 1. CH3CO3H 2. H, H20 21. Provide the major organic product of the reaction below. 10. 2. (CHS uraw the major organic product generated in the reaction below. Pay particular attention to and stereochemical detail. CH3 CH, KMnO4 (warm, conc.) CH, H 23. Give the structure of the alkene which would yield the...
С. D. Which of the following sequences of reagents will be used to do the following transformation? он Он А. 1. KOtBu; 2. Hg(OAc)2, H2O; 3. NaBH 1. TsCl, pyr; 2. KO B ; 3. BH3-THF; 4. H202, NaOH 1. H2SO4, heat; 2. Hg(OAc), H2O; 3. NaBH 1. TsCl, pyr; 2. NaOH; 3. BH3 THF; 4. H202, NaOH В. С. 8. Select the best reagents for the reaction below. Br Br Na ? А. 1. OsO4; 2. NaHSO3, H20 В....
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
a) There are several reagents that can be used to effect
addition to a double bond, including: acid and water,
oxymercuration--demercuration reagents, and
hydroboration--oxidation reagents. Inspect the final product and
select all the reasons why oxymercuration--demercuration was chosen
to effect the following transformation instead of the other
reagents.
b) Complete the mechanism for the reaction by adding curved
arrows. The reagents chosen for the transformation are: 1)
Hg(OAc)2, THF, H2O and 2) NaBH4, OH
25) What reagents can best be used to accomplish the following transformation? A) H+, H2O B)1. BH3-THF 2. Ho, H202 C)1. Hg(OAc)2, H2O/THF 2. NaBH4 D)1. Hg(O2CCF3)2 CH3OH 2. NaBH4 E) NaOH, H20
Draw the major organic product for each of the following
reactions. The first and third product are correct, but the second
one is not.
I am getting a hint for the second one that: "a rearrangement
will occur before water additions."
Thanks.
Draw the major organic product for each of the following reactions. 1. BH3, THF 1. Hg (OAC)2, H20 2. NaOH, H20, H202 H2SO4 2. NaBH4 H20
2) Provide the structure of the major organic product of the reaction below. -CH3 Br2, H2O 3) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. H, H20 dilute aqueous acid 4) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH3 1. Hg(OAc)2, H20 2. NaBH 5) Provide the structure of the major organic product of the reaction below. 1. BH3...
он Choose from the following list of reagents: H2, Lindlar's catalyst PCC, CH2Cl2 1) Br2 2) xs NaNH2 3) H20 1) NaNH2 2) H20 1) BH3 THF 2) H202, NaOH 9 H2CrO4 1) Hg(OAc)2, H20 dilute H2S04 H202, NaOH MCPBA 2) NaBH4 Enter the correct letter for each step of the reaction in the boxes below. (Reagents cannot be used more than once.) Step A: Step B:
Provide the major product for the following reaction? (2)Zn, H* ano Provide the major product for the following reaction? Br2 CH Cl2 H- S Provide the major product for the following reaction? heat H- -H Provide the major product for the following reaction? 1) Hg(OAc)2, H20/TH 2) NABH4 н- H Provide the major product for the following reaction? (1) BH3, ether HO-0H (2) Provide the major product for the following reaction? (1) BH3, ether (2) H202 OH
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