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What ylide and carbonyl compound would you need to synthesize the alkene shown?

What ylide and carbonyl compound would you need to synthesize the alkene shown?

Chemistry
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:** What ylide and carbonyl compound would you need to synthesize the alkene shown? **Diagram Explanation:** The image displays a structural formula of an alkene. The structure features: - A cyclohexane ring, which is a six-membered carbon ring. - An extended alkene chain (double bond) is connected to one of the ring's carbon atoms. - The alkene has two carbon chains; one is a simple double bond with a cyclohexane, and the other is a single-carbon branch extending from the double bond. To synthesize this alkene, a Wittig reaction can be utilized. This typically involves using a phosphonium ylide and a carbonyl compound. The ylide will likely have a triphenylphosphonium group and an alkyl group corresponding to the desired alkene side of the double bond. The carbonyl compound would have the structure analogous to the desired other half (carbonyl, typically ketone or aldehyde) of the double bond.
Transcribed Image Text:**Question:** What ylide and carbonyl compound would you need to synthesize the alkene shown? **Diagram Explanation:** The image displays a structural formula of an alkene. The structure features: - A cyclohexane ring, which is a six-membered carbon ring. - An extended alkene chain (double bond) is connected to one of the ring's carbon atoms. - The alkene has two carbon chains; one is a simple double bond with a cyclohexane, and the other is a single-carbon branch extending from the double bond. To synthesize this alkene, a Wittig reaction can be utilized. This typically involves using a phosphonium ylide and a carbonyl compound. The ylide will likely have a triphenylphosphonium group and an alkyl group corresponding to the desired alkene side of the double bond. The carbonyl compound would have the structure analogous to the desired other half (carbonyl, typically ketone or aldehyde) of the double bond.
Expert Solution
Step 1

Aldehyde and ketone react with the triphenylphosphonium ylide to form an akene, known as the Witting reaction. In the Witting reaction, there is no ambiguity in the position of the double bond.

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