Mechanisms in Organic Chemistry

Mechanisms in Organic Chemistry

Assessment

Interactive Video

Created by

Amelia Wright

Chemistry

11th - 12th Grade

Hard

The video tutorial presents a mechanism challenge involving a substrate, reaction conditions, and a product. It explains the role of n-butyl lithium as a strong base and nucleophile, its unexpected attack on the iota group, and the subsequent steps involving TMSCl and ammonium chloride. The tutorial details the formation of a five-membered ring and the final product, emphasizing electron-pushing arrows and mechanistic pathways.

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10 questions

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1.

MULTIPLE CHOICE

30 sec • 1 pt

What is the main objective of the mechanism challenge presented in the video?

2.

MULTIPLE CHOICE

30 sec • 1 pt

What is the role of n-butyl lithium in the reaction?

3.

MULTIPLE CHOICE

30 sec • 1 pt

Which group does n-butyl lithium attack in the first step?

4.

MULTIPLE CHOICE

30 sec • 1 pt

What is TMSCl commonly used for in reactions?

5.

MULTIPLE CHOICE

30 sec • 1 pt

Which atom does the carbonyl oxygen attack in the presence of TMSCl?

6.

MULTIPLE CHOICE

30 sec • 1 pt

What is formed as a result of the negative charge attacking the carbonyl?

7.

MULTIPLE CHOICE

30 sec • 1 pt

What is the purpose of ammonium chloride in the final step?

8.

MULTIPLE CHOICE

30 sec • 1 pt

What happens to the ethoxy group during the final step?

9.

MULTIPLE CHOICE

30 sec • 1 pt

What is the surprising aspect of the mechanism according to the video?

10.

MULTIPLE CHOICE

30 sec • 1 pt

What is the final product of the reaction?

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