Considering the retrosynthetic analysis, the structure of the diketone formed by intramolecular aldol condensationfor each of the given compound are to be deduced. Concept Introduction: > In the presence of either acid or base, the two molecules of aldehydes or ketone that present alpha hydrogen are react and forms β-hydroxy carbonyl compounds, this reaction is known as aldol addition reaction. > In intramolecular aldol condensation, the self-condensation of diketone occurs to form cyclic enone. > Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 21.3, Problem 11P

Interpretation Introduction

Interpretation:

Considering the retrosynthetic analysis, the structure of the diketone formed by intramolecular aldol condensationfor each of the given compound are to be deduced.

Concept Introduction:
>
In the presence of either acid or base, the two molecules of aldehydes or ketone that present alpha hydrogen are react and forms β-hydroxy carbonyl compounds, this reaction is known as aldol addition reaction.
>
In intramolecular aldol condensation, the self-condensation of diketone occurs to form cyclic enone.
>
Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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Transmitance 3. Which one of the following compounds corresponds to this IR spectrum? Point out the absorption band(s) that helped you decide. OH H3C OH H₂C CH3 H3C CH3 H3C INFRARED SPECTRUM 0.8- 0.6 0.4- 0.2 3000 2000 1000 Wavenumber (cm-1) 4. Consider this compound: H3C On the structure above, label the different types of H's as A, B, C, etc. In table form, list the labeled signals, and for each one state the number of hydrogens, their shifts, and the splitting you would observe for these hydrogens in the ¹H NMR spectrum. Label # of hydrogens splitting Shift (2)

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Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 21.3, Problem 11P

Interpretation Introduction

Interpretation:

Considering the retrosynthetic analysis, the structure of the diketone formed by intramolecular aldol condensationfor each of the given compound are to be deduced.

Concept Introduction:
>
In the presence of either acid or base, the two molecules of aldehydes or ketone that present alpha hydrogen are react and forms β-hydroxy carbonyl compounds, this reaction is known as aldol addition reaction.
>
In intramolecular aldol condensation, the self-condensation of diketone occurs to form cyclic enone.
>
Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 21.3, Problem 11P

Interpretation Introduction

Interpretation:

Considering the retrosynthetic analysis, the structure of the diketone formed by intramolecular aldol condensationfor each of the given compound are to be deduced.

Concept Introduction:
>
In the presence of either acid or base, the two molecules of aldehydes or ketone that present alpha hydrogen are react and forms β-hydroxy carbonyl compounds, this reaction is known as aldol addition reaction.
>
In intramolecular aldol condensation, the self-condensation of diketone occurs to form cyclic enone.
>
Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 21.3, Problem 11P

Interpretation Introduction