Peterson Olefination

Peterson Olefination

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Interactive Video

Chemistry, Science

11th Grade - University

Hard

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The video tutorial explores the synthesis of alkenes, focusing on the Peterson olefination. This reaction, first described by Donald Peterson in 1968, involves metallating an alpha Halo Silane to form nucleophilic reagents that react with aldehydes or ketones. The process yields a beta hydroxy silane, which is then treated with acid or base to form an olefin. The coproduct, trimethyl silanol, is volatile and easily removed. The tutorial discusses stereochemistry, selectivity, and the reaction's applications in synthesizing natural products.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the main reaction described in the text for synthesizing alkenes?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Who first described the Peterson olefination and in what year?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two stages involved in the Peterson olefination reaction?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the coproduct trimethyl silanol in the Peterson olefination?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the stereochemistry of the nucleophilic addition affect the outcome of the reaction?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do mineral acids and Lewis acids play in the elimination step of the Peterson olefination?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In what applications has the Peterson olefination been utilized according to the text?

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