Podcast
Questions and Answers
Which reaction process would convert propanone to propene?
Which reaction process would convert propanone to propene?
- Rearrangement followed by polymerization
- Reduction followed by dehydration (correct)
- Oxidation followed by condensation
- Hydrogenation followed by hydrolysis
What is a suitable method to convert benzoic acid to benzaldehyde?
What is a suitable method to convert benzoic acid to benzaldehyde?
- Decarboxylation (correct)
- Reduction with lithium aluminum hydride
- Nitration followed by hydrolysis
- Oxidation with chromic acid
Which pair of reactions is appropriate for converting ethanol to 3-hydroxybutanal?
Which pair of reactions is appropriate for converting ethanol to 3-hydroxybutanal?
- Oxidation followed by Grignard reaction
- Oxidation followed by a nucleophilic addition (correct)
- Dehydration followed by reduction
- Esterification followed by nucleophilic addition
To transform benzene into m-nitroacetophenone, which series of reactions should be employed?
To transform benzene into m-nitroacetophenone, which series of reactions should be employed?
Which reaction sequence leads to the conversion of benzaldehyde to benzophenone?
Which reaction sequence leads to the conversion of benzaldehyde to benzophenone?
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Study Notes
Conversions of Organic Compounds
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Propanone to Propene
- Use a dehydration reaction with an acid catalyst to eliminate water from propanone, forming propene.
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Benzoic acid to Benzaldehyde
- Convert benzoic acid to benzaldehyde via reduction using lithium aluminum hydride (LiAlH4) or another reducing agent.
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Ethanol to 3-Hydroxybutanal
- Perform an aldol condensation by reacting ethanol with acrolein or propanal, followed by further reduction if necessary.
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Benzene to m-Nitroacetophenone
- Nitration of benzene to form nitrobenzene, followed by Friedel-Crafts acylation with acetic anhydride or acetyl chloride.
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Benzaldehyde to Benzophenone
- React benzaldehyde with phenyl magnesium bromide (Grignard reagent) to introduce a phenyl group, forming benzophenone after hydrolysis.
-
Bromobenzene to 1-Phenylethanol
- Use a Grignard reaction with ethylene oxide, allowing bromobenzene to react and yield 1-phenylethanol upon hydrolysis.
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Benzaldehyde to 3-Phenylpropan-1-ol
- Conduct a reaction with appropriate Grignard reagent (like phenyl magnesium bromide) followed by acid-catalyzed hydrolysis.
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Benzaldehyde to α-Hydroxyphenylacetic acid
- Convert benzaldehyde into α-hydroxy ketone through a reaction with hydrocyanic acid followed by acidic hydrolysis.
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Benzoic acid to m-Nitrobenzyl alcohol
- Perform nitration to generate m-nitrobenzoic acid, then reduce the acid to m-nitrobenzyl alcohol with LiAlH4 or a similar reducing agent.
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