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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Question
Can you answer the question and explain it? With the mechanism
Only a and b
Transcribed Image Text:**Predict the Products for the Following Reactions**
1. **Reaction (a)**
- Starting materials: Benzene and isocyanide (NC) attached to a vinyl group (CH=CH).
- Predicted product: Benzene with an oxygen in the ring structure.
2. **Reaction (b)**
- Starting material: An aziridine ring adjacent to a carbonyl group.
- Additional reactant: A nitrile group bonded to a carbon (CN-CH2).
- Predicted product: Benzofuran.
3. **Reaction (c)**
- Starting materials: A vinyl group with a nitrile (NC-CH=CH) and benzene.
- Carbonyl compound: An aldehyde.
4. **Reaction (d)**
- Starting material: A furan ring with dimethoxy groups (MeO) and a sulfur atom.
- Additional reactant: Maleic acid.
5. **Reaction (e)**
- Starting material: A furan ring.
- Additional reactant: A vinyl group with a nitrile (CH2=CH-CN).
- Predicted product: Benzofuran with an additional carbonyl group added.
6. **Reaction (f)**
- Starting material: Furan-2,5-dione (a cyclic structure with two carbonyl groups).
- Additional reactant: None clearly shown, but the structure suggests a rearrangement.
Each of these reactions involves predicting the transformation of organic compounds into new chemical structures, focusing on changes in bonding and the integration of functional groups. The detailed diagrams depict the starting materials and help in visualizing the chemical processes involved.
Expert Solution
Step 1 Theory
Diels-Alder reaction: It is a [4+2] cycloaddition reaction between a diene and dienophile to give a six membered cyclic product.
It is a stereospecific reaction.
Diene must be in s-cisoid form.
Diene mus be electron rich and dienophile must be electron deficient.
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