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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Please explain why C and D are the precursors

Transcribed Image Text:### Reaction Scheme Overview
This diagram depicts the synthesis of an alcohol from its immediate precursors. The main components shown include the target alcohol and several possible precursor compounds labeled A through F.
#### Target Alcohol:
- **Chemical Structure:** A secondary alcohol with an OH group attached to a central carbon. This carbon is bonded to two phenyl rings (aromatic benzene rings), making it a biphenyl alcohol structure.
- **Label:** Alcohol
#### Possible Precursors:
1. **Structure A:**
- Contains a benzaldehyde moiety.
- Features an aldehyde group attached to a phenyl ring.
2. **Structure B:**
- A Grignard reagent, specifically ethylmagnesium bromide (CH₃CH₂MgBr).
3. **Structure C:**
- Another Grignard reagent, phenylmagnesium bromide, with a phenyl group attached to magnesium bromide.
4. **Structure D:**
- Contains a benzaldehyde moiety with an aldehyde group on a different side compared to structure A but similar in format.
5. **Structure E:**
- Features acetaldehyde, an aldehyde with a methyl group attached to the carbonyl group.
6. **Structure F:**
- A Grignard reagent with benzylmagnesium bromide, having a benzyl group attached to magnesium bromide.
### Conclusion:
This diagram illustrates the choice of chemical precursors that could potentially undergo a reaction to form the target alcohol through Grignard synthesis. The conversion involves the reaction between a Grignard reagent and a suitable carbonyl-containing compound.
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