Draw the Fischer projection for D − mannitol produced when D − mannose is reduced. Concept introduction: The three- dimensional structure stereoisomers on a plane represents the Fisher projections. In the Fischer projection, a chiral carbon represented as intersection of horizontal and vertical line. The horizontal lines are shown by bonds pointing above the plane and vertical lines as bonds pointing below the plane. In fisher projection, the carbonyl group of aldehyde or ketone always placed on the top of vertical line. D and L classification based on the furthest chiral C from ketone or aldehyde. D: if − O H group of the furthest chiral C is right side of the vertical line L: it − O H group of the furthest chiral C is left side of the vertical line.

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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 13.5, Problem 13.38QAP

Interpretation Introduction

Interpretation: Draw the Fischer projection for D − mannitol produced when D − mannose is reduced.

Concept introduction:

The three- dimensional structure stereoisomers on a plane represents the Fisher projections.

In the Fischer projection, a chiral carbon represented as intersection of horizontal and vertical line.

The horizontal lines are shown by bonds pointing above the plane and vertical lines as bonds pointing below the plane.

In fisher projection, the carbonyl group of aldehyde or ketone always placed on the top of vertical line.

D and L classification based on the furthest chiral C from ketone or aldehyde.

D: if −OH group of the furthest chiral C is right side of the vertical line

L: it −OH group of the furthest chiral C is left side of the vertical line.

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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 13.5, Problem 13.38QAP

Interpretation Introduction

Interpretation: Draw the Fischer projection for D − mannitol produced when D − mannose is reduced.

Concept introduction:

The three- dimensional structure stereoisomers on a plane represents the Fisher projections.

In the Fischer projection, a chiral carbon represented as intersection of horizontal and vertical line.

The horizontal lines are shown by bonds pointing above the plane and vertical lines as bonds pointing below the plane.

In fisher projection, the carbonyl group of aldehyde or ketone always placed on the top of vertical line.

D and L classification based on the furthest chiral C from ketone or aldehyde.

D: if −OH group of the furthest chiral C is right side of the vertical line

L: it −OH group of the furthest chiral C is left side of the vertical line.

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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 13.5, Problem 13.38QAP

Interpretation Introduction

Interpretation: Draw the Fischer projection for D − mannitol produced when D − mannose is reduced.

Concept introduction:

The three- dimensional structure stereoisomers on a plane represents the Fisher projections.

In the Fischer projection, a chiral carbon represented as intersection of horizontal and vertical line.

The horizontal lines are shown by bonds pointing above the plane and vertical lines as bonds pointing below the plane.

In fisher projection, the carbonyl group of aldehyde or ketone always placed on the top of vertical line.

D and L classification based on the furthest chiral C from ketone or aldehyde.

D: if −OH group of the furthest chiral C is right side of the vertical line

L: it −OH group of the furthest chiral C is left side of the vertical line.

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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 13.5, Problem 13.38QAP

Interpretation Introduction