Please explain why the 2-pentanone cannot be attached in para position when AlCl3 is added???

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Please explain why the 2-pentanone cannot be attached in para position when AlCl3 is added???

The image depicts a two-step organic reaction sequence starting from a methoxy-substituted benzene ring:

1. **Starting Material**: A benzene ring with a methoxy group (OCH₃) attached.

2. **First Reaction**: The starting material undergoes a reaction with a compound containing a ketone and chlorine (Cl) attached to a four-carbon chain, in the presence of aluminum chloride (AlCl₃). This step is likely a Friedel-Crafts acylation, resulting in the formation of compound A.

3. **Second Reaction**: Compound A is reduced using sodium borohydride (NaBH₄) to form compound B.

These reactions illustrate typical aromatic electrophilic substitution and reduction processes in organic chemistry.
Transcribed Image Text:The image depicts a two-step organic reaction sequence starting from a methoxy-substituted benzene ring: 1. **Starting Material**: A benzene ring with a methoxy group (OCH₃) attached. 2. **First Reaction**: The starting material undergoes a reaction with a compound containing a ketone and chlorine (Cl) attached to a four-carbon chain, in the presence of aluminum chloride (AlCl₃). This step is likely a Friedel-Crafts acylation, resulting in the formation of compound A. 3. **Second Reaction**: Compound A is reduced using sodium borohydride (NaBH₄) to form compound B. These reactions illustrate typical aromatic electrophilic substitution and reduction processes in organic chemistry.
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