It should be drawn for all the four beta – hydroxyaldehydes . Concept introduction: Aldol addition reaction means the reaction between aldehyde which has an α hydrogen to form an addition product comprising of aldehyde and alcohol group in presence of base, namely sodium hydroxide. The name Aldol stands for aldehyde and alcohol (ald for “aldehyde” and ol for “alcohol”). The three steps involved in aldol addition reaction is, Deprotonation of α carbon Attach of enolate ion with the aldehyde (nucleophilic attack) Protonation of the alkoxide ion to give aldol product Oxidation of an alcohol with PCC to give an aldehyde means the alcohol has to be primary alcohol.

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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 21, Problem 57PP

Interpretation Introduction

Interpretation:

It should be drawn for all the four beta – hydroxyaldehydes .

Concept introduction:

Aldol addition reaction means the reaction between aldehyde which has an α hydrogen to form an addition product comprising of aldehyde and alcohol group in presence of base, namely sodium hydroxide. The name Aldol stands for aldehyde and alcohol (ald for “aldehyde” and ol for “alcohol”). The three steps involved in aldol addition reaction is,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Oxidation of an alcohol with PCC to give an aldehyde means the alcohol has to be primary alcohol.

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Part VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the compound. Find the structure. Show complete solutions. Predicted 1H NMR Spectrum 4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 f1 (ppm) Predicted 13C NMR Spectrum 100 f1 (ppm) 30 220 210 200 190 180 170 160 150 140 130 120 110 90 80 70 -26 60 50 40 46 30 20 115 10 1.0 0.9 0.8 0 -10

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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, Problem 57PP

Interpretation Introduction

Interpretation:

It should be drawn for all the four beta – hydroxyaldehydes .

Concept introduction:

Aldol addition reaction means the reaction between aldehyde which has an α hydrogen to form an addition product comprising of aldehyde and alcohol group in presence of base, namely sodium hydroxide. The name Aldol stands for aldehyde and alcohol (ald for “aldehyde” and ol for “alcohol”). The three steps involved in aldol addition reaction is,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Oxidation of an alcohol with PCC to give an aldehyde means the alcohol has to be primary alcohol.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

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, Problem 57PP

Interpretation Introduction

Interpretation:

It should be drawn for all the four beta – hydroxyaldehydes .

Concept introduction:

Aldol addition reaction means the reaction between aldehyde which has an α hydrogen to form an addition product comprising of aldehyde and alcohol group in presence of base, namely sodium hydroxide. The name Aldol stands for aldehyde and alcohol (ald for “aldehyde” and ol for “alcohol”). The three steps involved in aldol addition reaction is,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Oxidation of an alcohol with PCC to give an aldehyde means the alcohol has to be primary alcohol.

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, Problem 57PP

Interpretation Introduction