RO. Some R RO ? T RO. (iii) Use resonance to explain why alkene T reacts with nucleophiles. S U RO NaOH, EtOH reflux S OH لاصه V

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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PLEASE ANSWER THE LAST PART ONLY (IV) AND SHOW STEP BY STEP CURLY ARROW MECHANISM PLEASE

(ii) The key step in the preparation of the natural product gingerol is shown in part below. Explain
this reaction identifying the aldehyde required to react with ketone R, in order to form adduct S.
In your answer, suggest possible reaction conditions and provide curly arrows to describe the
reaction mechanism.
gore
R
RO.
RO
T
?
(iii) Use resonance to explain why alkene T reacts with nucleophiles.
گاه
U
RO.
RO
NaOH, EtOH
reflux
S
OH
V
(iv) Use curly arrows to explain how the reaction sequence shown above forms bicycle V. What is
the name given to this sequence?
Transcribed Image Text:(ii) The key step in the preparation of the natural product gingerol is shown in part below. Explain this reaction identifying the aldehyde required to react with ketone R, in order to form adduct S. In your answer, suggest possible reaction conditions and provide curly arrows to describe the reaction mechanism. gore R RO. RO T ? (iii) Use resonance to explain why alkene T reacts with nucleophiles. گاه U RO. RO NaOH, EtOH reflux S OH V (iv) Use curly arrows to explain how the reaction sequence shown above forms bicycle V. What is the name given to this sequence?
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