Chapter3: Mechanisms
Section: Chapter Questions
Problem 60EQ
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![What is the first step in the mechanism of the reaction of DIBAL-H with an ester?
O A lone pair on the carbonyl oxygen attacks the aluminum atom of DIBAL-H
A lone pair on the carboxyl oxygen is protonated.
Electrons in the AlI-H bond of DIBAL-H attack the carbonyl carbon
O The hydrogen atom in DIBAL-H attacks the carbonyl carbon](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F594ecbff-696c-4f4b-9d89-0e850caeb8c6%2F49a74128-84aa-486d-89d3-e2011abd2979%2Fa0pxnid_processed.png&w=3840&q=75)
Transcribed Image Text:What is the first step in the mechanism of the reaction of DIBAL-H with an ester?
O A lone pair on the carbonyl oxygen attacks the aluminum atom of DIBAL-H
A lone pair on the carboxyl oxygen is protonated.
Electrons in the AlI-H bond of DIBAL-H attack the carbonyl carbon
O The hydrogen atom in DIBAL-H attacks the carbonyl carbon
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