NatOEt ethanol This reaction involves two successive Michael reactions, and has the following steps: . Deprotonation forms enolate ion 1; E. The first Michael reaction forms enolate ion 2; s. The second Michael reaction forms enolate ion 3; . Protonation leads to the final product.
NatOEt ethanol This reaction involves two successive Michael reactions, and has the following steps: . Deprotonation forms enolate ion 1; E. The first Michael reaction forms enolate ion 2; s. The second Michael reaction forms enolate ion 3; . Protonation leads to the final product.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:**Transcription for Educational Website:**
**Chemical Reaction Overview**
- **Reaction Type:** Successive Michael reactions
- **Reagent:** Na⁺ ⁻OEt in ethanol
- **Chemical Structure:** See image diagram for structural details
**Reaction Steps:**
1. **Deprotonation** forms enolate ion 1.
2. The first **Michael reaction** forms enolate ion 2.
3. The second **Michael reaction** forms enolate ion 3.
4. **Protonation** leads to the final product.
**Instructions for Students:**
- Write the mechanism on a sheet of paper.
- Draw the structure of **enolate ion 3**.
**Grading Guidelines:**
- **Stereochemistry:** You do not have to consider stereochemistry.
- **Hydrogen Atoms:** You do not have to explicitly draw H atoms.
- **Lone Pairs:** Do not include lone pairs in your answer. They will not be considered in the grading.
**Diagram Description:**
- The upper part of the image contains a reaction sequence showing the starting compound reacting with Na⁺ ⁻OEt to give a cyclic compound.
- The lower part features a chemical drawing interface with various tools available for constructing chemical structures.
For detailed chemical structures, refer to the image diagram.
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