Concept explainers
Interpretation:
The detailed mechanism for the reverse of the reaction in Equation 20-1 is to be drawn.
Concept introduction:
Transesterification reaction is the one in which one ester is converted to another. A typical reaction involves a nucleophile and a
Step 1 is a nucleophilic addition in which a nucleophile attacks the electron poor carbonyl carbon. This forces the pair of electrons from the initial C=O to oxygen atom, which generates a negative charge in it. The product of that step is a tetrahedral intermediate, which, in Step 2, undergoes nucleophile elimination. A lone pair of electrons on the negatively charged O atom is used to regenerate the C=O double bond, and the leaving group departs as methoxide ion.
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Chapter 20 Solutions
ORGANIC CHEMISTRY:PRINCIPLES...(PB)
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- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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