'Chair conformation' diaporamas de présentation

Surviving Chair Structures

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What are the forces in a molecular structure?

Torsional strain: Strain between groups on adjacent atoms. A-B-C-D. Worst when eclipsed; best when staggered . Bond angle strain: when a bond angle, A-B-C, diverges from the ideal (180, 120, 109). What are the forces in a molecular structure?. 120 deg. View from here yields view below.

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Carbohydrates

Carbohydrates. Chapter 25. Carbohydrates. Carbohydrate: A polyhydroxy aldehyde , a polyhydroxy ketone , or a compound that gives either of these compounds after hydrolysis. Monosaccharide: A carbohydrate that cannot be hydrolyzed to a simpler carbohydrate.

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4. Organic Compounds: Cycloalkanes and their Stereochemistry

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Chapter 4 Alkanes & Cycloalkane Conformations

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Organic Chemistry

Organic Chemistry. William H. Brown Christopher S. Foote Brent L. Iverson. Alkanes and Cycloalkanes. Chapter 2. Structure. Hydrocarbon: a compound composed only of carbon and hydrogen Saturated hydrocarbon: a hydrocarbon containing only single bonds

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Organic Chemistry

Organic Chemistry. William H. Brown Christopher S. Foote Brent L. Iverson. Alkanes and Cycloalkanes. Chapter 2. Structure. Hydrocarbon: a compound composed only of carbon and hydrogen Saturated hydrocarbon: a hydrocarbon containing only single bonds

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Chapter 2 : Alkanes and Cycloalkanes

Chapter 2 : Alkanes and Cycloalkanes. The Structure of Alkanes. Nomenclature of Organic Compounds. Alkyl groups. Numbering the parent carbon chain. The root name is that of the longest continuous carbon chain ( parent carbon chain )

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Conformational Analysis

Conformational Analysis. Newman Projections Ring Strain Cyclohexane Conformations. Views of Ethane. The Newman Projection. Rotational Conformations of Ethane. Definitions. Conformations - Different spatial arrangments that a molecule can adopt due to rotation about sigma bonds.

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Chapter 12

Chapter 12. Carbohydrates. Carbohydrates. Carbohydrate: a polyhydroxyaldehyde or polyhydroxyketone, or a substance that gives these compounds on hydrolysis Monosaccharide: a carbohydrate that cannot be hydrolyzed to a simpler carbohydrate

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Chapter 20 Carbohydrates

Chapter 20 Carbohydrates. Carbohydrates. Carbohydrate: A polyhydroxyaldehyde or polyhydroxyketone , or a substance that gives these compounds on hydrolysis. Monosaccharide: A carbohydrate that cannot be hydrolyzed to a simpler carbohydrate.

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Alkanes and Cycloalkanes

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Cycloalkanes

Cycloalkanes . All C atoms in the ring are sp 3 . General formula for cycloalkanes is C n H 2n . Physical properties are similar to those of the compact, branched alkanes . Nomenclature of Cycloalkanes . Count the number of C atoms in the ring and use a prefix of cyclo- .

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4. Organic Compounds: Cycloalkanes and their Stereochemistry

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4. Organic Compounds: Cycloalkanes and their Stereochemistry

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CYCLOALKANES

CYCLOALKANES. Cycloalkanes. Cycloalkanes have molecular formula C n H 2n and contain carbon atoms arranged in a ring. Simple cycloalkanes are named by adding the prefix cyclo- to the name of the acyclic alkane having the same number of carbons.

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Conformations of Cycloalkanes

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Chapter 5: Rings

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Cyclopropane

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