The D-aldopentose which on oxidation produces optically active aldaric acid and that undergoes Wohl Degradation to yield D-aldotetrose which on oxidation produces optically active aldaric acid is to be predicted. Concept introduction: Carbohydrates containing aldehydes are known as aldoses. Wohl Degradation is a method of shortening the aldose by one carbon atom by cleavage of C1 − C2 bond.

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Answer 1

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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 28, Problem 28.63P

Interpretation Introduction

Interpretation: The D-aldopentose which on oxidation produces optically active aldaric acid and that undergoes Wohl Degradation to yield D-aldotetrose which on oxidation produces optically active aldaric acid is to be predicted.

Concept introduction: Carbohydrates containing aldehydes are known as aldoses. Wohl Degradation is a method of shortening the aldose by one carbon atom by cleavage of C1−C2 bond.

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22.7 Predict the monoalkylated products of the following reactions with benzene. (a) AlCl3 Ya (b) AlCl3 (c) H3PO4 (d) 22.8 Think-Pair-Share AICI3 The reaction below is a common electrophilic aromatic substitution. SO3 H₂SO4 SO₂H (a) Draw the reaction mechanism for this reaction using HSO,+ as the electrophile. (b) Sketch the reaction coordinate diagram, where the product is lower in energy than the starting reactant. (c) Which step in the reaction mechanism is highest in energy? Explain. (d) Which of the following reaction conditions could be used in an electrophilic aro- matic substitution with benzene to provide substituted phenyl derivatives? (i) AICI3 HNO3 H₂SO4 K2Cr2O7 (iii) H₂SO4 (iv) H₂PO₁

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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 28, Problem 28.63P

Interpretation Introduction

Interpretation: The D-aldopentose which on oxidation produces optically active aldaric acid and that undergoes Wohl Degradation to yield D-aldotetrose which on oxidation produces optically active aldaric acid is to be predicted.

Concept introduction: Carbohydrates containing aldehydes are known as aldoses. Wohl Degradation is a method of shortening the aldose by one carbon atom by cleavage of C1−C2 bond.

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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 28, Problem 28.63P

Interpretation Introduction

Interpretation: The D-aldopentose which on oxidation produces optically active aldaric acid and that undergoes Wohl Degradation to yield D-aldotetrose which on oxidation produces optically active aldaric acid is to be predicted.

Concept introduction: Carbohydrates containing aldehydes are known as aldoses. Wohl Degradation is a method of shortening the aldose by one carbon atom by cleavage of C1−C2 bond.

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 28, Problem 28.63P

Interpretation Introduction