The Haworth projections of α-D-mannopyranose and β-D-mannopyranose has to be drawn. Concept Introduction: The cyclic representation of monosaccharides is known as Haworth projection. The five membered ring is said to be Furanose and six membered ring is said to be Pyranose. The five or six membered cyclic hemiacetals which have planar structure will be lying perpendicular to the plane of the paper. In monosaccharides, the alcohol and carbonyl groups both are present. The two groups react with each other to form cyclic hemiacetals. α − D − m a n n o p y r a n o s e : When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the side opposite to the –CH 2 OH group, it is said to be α-D-mannopyranose. β − D − m a n n o p y r a n o s e : When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the same side of the –CH 2 OH group, it is said to be β-D-mannopyranose.

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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 25.2, Problem 25.2P

Interpretation Introduction

Interpretation:

The Haworth projections of α-D-mannopyranose and β-D-mannopyranose has to be drawn.

Concept Introduction:

The cyclic representation of monosaccharides is known as Haworth projection. The five membered ring is said to be Furanose and six membered ring is said to be Pyranose. The five or six membered cyclic hemiacetals which have planar structure will be lying perpendicular to the plane of the paper.

In monosaccharides, the alcohol and carbonyl groups both are present. The two groups react with each other to form cyclic hemiacetals.

α−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the side opposite to the –CH₂OH group, it is said to be α-D-mannopyranose.

β−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the same side of the –CH₂OH group, it is said to be β-D-mannopyranose.

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For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. ? Will the first MgBr product that forms in this reaction create a new CC bond? olo ? OH جمله O Yes Ⓒ No MgCl ? Will the first product that forms in this reaction create a new CC bond? Click and drag to start drawing a structure. Yes No X ☐ : ☐ टे PH

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PROPOSE REACTION MECHANISM FOR ACID-CATALYZED REACTION OF 3-PENTANONE WITH DIMETHYLAMINE

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 25.2, Problem 25.2P

Interpretation Introduction

Interpretation:

The Haworth projections of α-D-mannopyranose and β-D-mannopyranose has to be drawn.

Concept Introduction:

The cyclic representation of monosaccharides is known as Haworth projection. The five membered ring is said to be Furanose and six membered ring is said to be Pyranose. The five or six membered cyclic hemiacetals which have planar structure will be lying perpendicular to the plane of the paper.

In monosaccharides, the alcohol and carbonyl groups both are present. The two groups react with each other to form cyclic hemiacetals.

α−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the side opposite to the –CH₂OH group, it is said to be α-D-mannopyranose.

β−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the same side of the –CH₂OH group, it is said to be β-D-mannopyranose.

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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 25.2, Problem 25.2P

Interpretation Introduction

Interpretation:

The Haworth projections of α-D-mannopyranose and β-D-mannopyranose has to be drawn.

Concept Introduction:

The cyclic representation of monosaccharides is known as Haworth projection. The five membered ring is said to be Furanose and six membered ring is said to be Pyranose. The five or six membered cyclic hemiacetals which have planar structure will be lying perpendicular to the plane of the paper.

In monosaccharides, the alcohol and carbonyl groups both are present. The two groups react with each other to form cyclic hemiacetals.

α−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the side opposite to the –CH₂OH group, it is said to be α-D-mannopyranose.

β−D−mannopyranose: When the mannose is written in cyclic (Pyranose) form, if the -OH group is located on the same side of the –CH₂OH group, it is said to be β-D-mannopyranose.

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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 25.2, Problem 25.2P

Interpretation Introduction