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Question 21 The reaction below proceeds with the formation of ONLY ONE (S)-isomer. Choose the mechanism below which best describes the following transformation. Mechanism A: H3O+ CH3CHOH HO nucleophilic attack OH (S)-2-ethoxy-2-phenylpropan-1-ol proton transfer HH Mechanism B: - H₂O HO. proton transfer Mechanism C: :0::0-H - H₂O proton transfer nucleophilic attack : OH H HH HH proton transfer OH : OH: OH proton transfer - H₂O H₂O nucleophilic attack :OH proton transfer :OH nucleophilic attack - H₂O H HH proton transfer Mechanism D: :OH : OH :OH2:OH Η ΞΗ : OH : OH - H₂O proton transfer carbocation formation HO. nucleophilic attack H HH H-D-H proton transfer OA ABCD :OH

Question 21 The reaction below proceeds with the formation of ONLY ONE (S)-isomer. Choose the mechanism below which best describes the following transformation. Mechanism A: H3O+ CH3CHOH HO nucleophilic attack OH (S)-2-ethoxy-2-phenylpropan-1-ol proton transfer HH Mechanism B: - H₂O HO. proton transfer Mechanism C: :0::0-H - H₂O proton transfer nucleophilic attack : OH H HH HH proton transfer OH : OH: OH proton transfer - H₂O H₂O nucleophilic attack :OH proton transfer :OH nucleophilic attack - H₂O H HH proton transfer Mechanism D: :OH : OH :OH2:OH Η ΞΗ : OH : OH - H₂O proton transfer carbocation formation HO. nucleophilic attack H HH H-D-H proton transfer OA ABCD :OH

Organic Chemistry
Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter17: Alcohols And Phenols
Section17.SE: Something Extra
Problem 44AP: What carbonyl compounds might you start with to prepare the Following compounds by Grignard...
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Question 21 The reaction below proceeds with the formation of ONLY ONE (S)-isomer. Choose the mechanism below which best describes the following transformation. Mechanism A: H3O+ CH3CHOH HO nucleophilic attack OH (S)-2-ethoxy-2-phenylpropan-1-ol proton transfer HH Mechanism B: - H₂O HO. proton transfer Mechanism C: :0::0-H - H₂O proton transfer nucleophilic attack : OH H HH HH proton transfer OH : OH: OH proton transfer - H₂O H₂O nucleophilic attack :OH proton transfer :OH nucleophilic attack - H₂O H HH proton transfer Mechanism D: :OH : OH :OH2:OH Η ΞΗ : OH : OH - H₂O proton transfer carbocation formation HO. nucleophilic attack H HH H-D-H proton transfer OA ABCD :OH
Transcribed Image Text:Question 21 The reaction below proceeds with the formation of ONLY ONE (S)-isomer. Choose the mechanism below which best describes the following transformation. Mechanism A: H3O+ CH3CHOH HO nucleophilic attack OH (S)-2-ethoxy-2-phenylpropan-1-ol proton transfer HH Mechanism B: - H₂O HO. proton transfer Mechanism C: :0::0-H - H₂O proton transfer nucleophilic attack : OH H HH HH proton transfer OH : OH: OH proton transfer - H₂O H₂O nucleophilic attack :OH proton transfer :OH nucleophilic attack - H₂O H HH proton transfer Mechanism D: :OH : OH :OH2:OH Η ΞΗ : OH : OH - H₂O proton transfer carbocation formation HO. nucleophilic attack H HH H-D-H proton transfer OA ABCD :OH
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