Excess CH3OH H3O* PCC Br TART HERE 1) Mg 2) CH3CHO 1) 2) 6) ? Br KMNO4 DIBAL , 7) 8) H3C SOCI2 PhaP:CHCH2CHНЗ Ag20 NHẠOH 14) 15) Benzene 03 DMS AlCl3 C2H5OH, H3O* 16) 17)

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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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The image presents a complex organic chemistry reaction pathway chart. The starting compound is a bromobenzene derivative. Here is a step-by-step description of the reactions and compounds involved:

1. **Reaction 1**: The starting material, a bromobenzene derivative, undergoes a Grignard reaction with magnesium (Mg) to form a Grignard reagent.
   
2. **Reaction 2**: The Grignard reagent reacts with acetaldehyde (CH₃CHO) to form a secondary alcohol.

3. **Reaction 3**: The secondary alcohol undergoes oxidation with pyridinium chlorochromate (PCC) to form a ketone, which can be further converted using excess methanol (CH₃OH) and acid (H₃O⁺) to form an acetal.

4. **Reaction 4**: The acetal is treated with hydrazine (H₂NNH₂), leading to a series of transformations ending with the Wolff-Kishner reduction to form an alkane.

5. **Reaction 5**: Sodium hydroxide (NaOH) is involved in this step, likely participating in a reaction that could involve substitution or elimination, resulting in a different alkene or alcohol.

6. **Reaction 6**: The original bromobenzene derivative is treated with permanganate (KMnO₄), likely resulting in oxidation to form a carboxylic acid.

7. **Reaction 7**: The carboxylic acid may be converted to an acid chloride using thionyl chloride (SOCl₂).

8. **Reaction 8**: The acid chloride might undergo reduction with diisobutylaluminum hydride (DIBAL) to form an aldehyde.

9. **Reaction 9**: The aldehyde could react with an alkene in a Wittig reaction (using Ph₃P:CHCH₂CH₃) to form a more complex alkene.

10. **Reaction 10**: A Friedel-Crafts acylation using benzene and aluminum chloride (AlCl₃) is suggested, possibly generating an aromatic ketone.

11. **Reaction 11**: A cyanohydrin formation is proposed with hydrogen cyanide (HCN).

12. **Reaction 12**: The cyanohydrin may undergo hydrolysis with acid (H₃O⁺) to form an α
Transcribed Image Text:The image presents a complex organic chemistry reaction pathway chart. The starting compound is a bromobenzene derivative. Here is a step-by-step description of the reactions and compounds involved: 1. **Reaction 1**: The starting material, a bromobenzene derivative, undergoes a Grignard reaction with magnesium (Mg) to form a Grignard reagent. 2. **Reaction 2**: The Grignard reagent reacts with acetaldehyde (CH₃CHO) to form a secondary alcohol. 3. **Reaction 3**: The secondary alcohol undergoes oxidation with pyridinium chlorochromate (PCC) to form a ketone, which can be further converted using excess methanol (CH₃OH) and acid (H₃O⁺) to form an acetal. 4. **Reaction 4**: The acetal is treated with hydrazine (H₂NNH₂), leading to a series of transformations ending with the Wolff-Kishner reduction to form an alkane. 5. **Reaction 5**: Sodium hydroxide (NaOH) is involved in this step, likely participating in a reaction that could involve substitution or elimination, resulting in a different alkene or alcohol. 6. **Reaction 6**: The original bromobenzene derivative is treated with permanganate (KMnO₄), likely resulting in oxidation to form a carboxylic acid. 7. **Reaction 7**: The carboxylic acid may be converted to an acid chloride using thionyl chloride (SOCl₂). 8. **Reaction 8**: The acid chloride might undergo reduction with diisobutylaluminum hydride (DIBAL) to form an aldehyde. 9. **Reaction 9**: The aldehyde could react with an alkene in a Wittig reaction (using Ph₃P:CHCH₂CH₃) to form a more complex alkene. 10. **Reaction 10**: A Friedel-Crafts acylation using benzene and aluminum chloride (AlCl₃) is suggested, possibly generating an aromatic ketone. 11. **Reaction 11**: A cyanohydrin formation is proposed with hydrogen cyanide (HCN). 12. **Reaction 12**: The cyanohydrin may undergo hydrolysis with acid (H₃O⁺) to form an α
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