(a)
Interpretation: The dicarbonyl compound which is needed to prepare given compound by an intramolecular aldol reaction is to be predicted.
Concept introduction: The Aldol condensation reaction that takes place in the different molecules in presence of strong base is known as intermolecular aldol reactions.
The Aldol condensation reaction that takes place within the same molecule in presence of strong base is known as intramolecular aldol reactions. This reaction takes place within the dicarbonyl compounds in which one carbonyl group forms the enolate that acts as a nucleophile and reacts with second carbonyl group which acts as electrophile.
(b)
Interpretation: The dicarbonyl compound which is needed to prepare given compound by an intramolecular aldol reaction is to be predicted.
Concept introduction: The Aldol condensation reaction that takes place in the different molecules in presence of strong base is known as intermolecular aldol reactions.
The Aldol condensation reaction that takes place within the same molecule in presence of strong base is known as intramolecular aldol reactions. This reaction takes place within the dicarbonyl compounds in which one carbonyl group forms the enolate that acts as a nucleophile and reacts with second carbonyl group which acts as electrophile.
(c)
Interpretation: The dicarbonyl compound which is needed to prepare given compound by an intramolecular aldol reaction is to be predicted.
Concept introduction: The Aldol condensation reaction that takes place in the different molecules in presence of strong base is known as intermolecular aldol reactions.
The Aldol condensation reaction that takes place within the same molecule in presence of strong base is known as intramolecular aldol reactions. This reaction takes place within the dicarbonyl compounds in which one carbonyl group forms the enolate that acts as a nucleophile and reacts with second carbonyl group which acts as electrophile.
(d)
Interpretation: The dicarbonyl compound which is needed to prepare given compound by an intramolecular aldol reaction is to be predicted.
Concept introduction: The Aldol condensation reaction that takes place in the different molecules in presence of strong base is known as intermolecular aldol reactions.
The Aldol condensation reaction that takes place within the same molecule in presence of strong base is known as intramolecular aldol reactions. This reaction takes place within the dicarbonyl compounds in which one carbonyl group forms the enolate that acts as a nucleophile and reacts with second carbonyl group which acts as electrophile.
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Chapter 24 Solutions
ORGANIC CHEMISTRY
- Draw the aldol product formed from each compound.arrow_forwardWhat enolate is formed when each ketone is treated with LDA in THF solution? What enolate is formed when these same ketones are treated with NaOCH3 in CH3OH solution?arrow_forwardWhat alkyl halide and nucleophile are needed to prepare each compound?arrow_forward
- What products are formed by hydrolysis of each imine or enamine?arrow_forwardWhat products are formed by hydrolysis of each lactone or lactam withacid?arrow_forwardProblem 24.1 Draw the aldol product formed from each compound. CH,CHO b. (CH),CCH,CHO d. C. Problem 24.2 Which carbonyl compounds do not undergo an aldol reaction when treated with "OH in H,O? CHO сно b. C. (CH3)C a. d. H (CH);Carrow_forward
- Draw enol tautomer(s) for each compound. Which carbonyl compound(s) favor the enol tautomer?arrow_forwardWhat enolate is formed when each ketone is treated with LDA in THF solution? What enolate is formed when these same ketones are treated with NaOCH3 in CH3OH solution?arrow_forwardWhat products are formed when each acetal is hydrolyzed with aqueous acid?arrow_forward
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