Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the curved arrows to draw the structure of the missing intermediates and products in the following mechanism. Include all lone pairs and charges as appropriate. Ignore stereochemistry. Ignore inorganic byproducts. O: ܐܘܘ hv 0: N° Br: O: Draw Major Product I NBS Draw Major Intermediate

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter14: Elimination
Section: Chapter Questions
Problem 15CTQ
Question
### Electron Flow and Reaction Mechanism

**Instructions:**

Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the curved arrows to draw the structure of the missing intermediates and products in the following mechanism.

Include all lone pairs and charges as appropriate. Ignore stereochemistry. Ignore inorganic byproducts.

**Diagram Explanation:**

1. **Initial Structure:**
   - The left box contains a molecular structure with two nitrogen atoms, each bonded to a bromine atom. The structure includes several lone pairs of electrons and double-bonded oxygen atoms attached to the nitrogen atoms.

2. **Transformation Process:**
   - An arrow points from the initial structure to a structure on the right, which includes a benzene ring with a bromine atom attached via an alkyl chain. Lone pairs are shown on the bromine atom.

3. **Intermediates and Products:**
   - Below the intermediate structure, an arrow points downwards to a section labeled "Draw Major Intermediate."
   - From there, a horizontal arrow indicates the use of N-Bromosuccinimide (NBS) leading to a section labeled "Draw Major Product."

**Key Points:**

- Identify and illustrate the electron flow using curved arrows.
- Complete the mechanism by inferring missing intermediates and final products.
- Representation of appropriate lone pairs and charges is necessary.
- Highlight the role of NBS in the reaction as indicated.
Transcribed Image Text:### Electron Flow and Reaction Mechanism **Instructions:** Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the curved arrows to draw the structure of the missing intermediates and products in the following mechanism. Include all lone pairs and charges as appropriate. Ignore stereochemistry. Ignore inorganic byproducts. **Diagram Explanation:** 1. **Initial Structure:** - The left box contains a molecular structure with two nitrogen atoms, each bonded to a bromine atom. The structure includes several lone pairs of electrons and double-bonded oxygen atoms attached to the nitrogen atoms. 2. **Transformation Process:** - An arrow points from the initial structure to a structure on the right, which includes a benzene ring with a bromine atom attached via an alkyl chain. Lone pairs are shown on the bromine atom. 3. **Intermediates and Products:** - Below the intermediate structure, an arrow points downwards to a section labeled "Draw Major Intermediate." - From there, a horizontal arrow indicates the use of N-Bromosuccinimide (NBS) leading to a section labeled "Draw Major Product." **Key Points:** - Identify and illustrate the electron flow using curved arrows. - Complete the mechanism by inferring missing intermediates and final products. - Representation of appropriate lone pairs and charges is necessary. - Highlight the role of NBS in the reaction as indicated.
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