O A CI (CH3)2CuLi ? ОН ОН др B C OH D

Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which of the compounds shown below would be the major organic product of the reaction shown. (Assume any necessary work-up steps have been completed).

The image describes a chemical reaction problem involving a starting compound and a reagent, (CH₃)₂CuLi, with four possible product options labeled A, B, C, and D. 

**Starting Material:**
- 3-(2-chlorophenyl)-2-propen-1-one

**Reagent:**
- (CH₃)₂CuLi (a Gilman reagent)

**Possible Products:**

- **Option A:** 1-(2-acetylphenyl)-ethanone
- **Option B:** 1,3-bis(2-hydroxy-2-methylpropyl)benzene
- **Option C:** 3-(2-hydroxyphenyl)butan-2-one
- **Option D:** 1-(2-buta-1,3-dienyl)phenylethanone

The reaction likely involves organocopper chemistry, where the Cl group in the starting ketone might be replaced, and an alkyl group can add to the conjugated system. 

Note the structural aspects of each option:
- **A and D** represent possible outcomes of acyl substitution.
- **B** seems unlikely due to additional hydroxyl groups and larger structural changes.
- **C** could result from an addition at the double bond followed by ketone retention.

This setup challenges understanding of nucleophilic acyl substitutions and handling of organometallic reagents.
Transcribed Image Text:The image describes a chemical reaction problem involving a starting compound and a reagent, (CH₃)₂CuLi, with four possible product options labeled A, B, C, and D. **Starting Material:** - 3-(2-chlorophenyl)-2-propen-1-one **Reagent:** - (CH₃)₂CuLi (a Gilman reagent) **Possible Products:** - **Option A:** 1-(2-acetylphenyl)-ethanone - **Option B:** 1,3-bis(2-hydroxy-2-methylpropyl)benzene - **Option C:** 3-(2-hydroxyphenyl)butan-2-one - **Option D:** 1-(2-buta-1,3-dienyl)phenylethanone The reaction likely involves organocopper chemistry, where the Cl group in the starting ketone might be replaced, and an alkyl group can add to the conjugated system. Note the structural aspects of each option: - **A and D** represent possible outcomes of acyl substitution. - **B** seems unlikely due to additional hydroxyl groups and larger structural changes. - **C** could result from an addition at the double bond followed by ketone retention. This setup challenges understanding of nucleophilic acyl substitutions and handling of organometallic reagents.
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