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Where We Are Going Today x Chapter 4 – Cycloalkanes Description and Nomenclature Isomerism Ring Strain Conformations of 3- to 6-Membered Rings A Closer Look at Cyclohexanes Chair and Boat Forms Axial and Equatorial Positions Rings Larger than Cyclohexanes Polycyclic Alkanes Bridged and Fused Ring Systems
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Types of Isomers omers Stereoisomers Same atom connectivity but different arrangement f atoms in 3D space Isomers same molecular formula but different structures of atoms in 3D space Constitutional Isomers differ in the order of attachment of the atoms
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Less Stable Conformations of
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Unformatted text preview: Cyclohexanes x Boat Conformation has eclipsing of C-H bonds and Flagpole interactions x Twist Boat alleviates these problems somewhat Hydrogen Position in Cyclohexane x Green Hydrogens all on one side of the cyclohexane x Red Hydrogens all on the opposite side of the cyclohexane c8.html Axial and Equatorial Hydrogens x Hydrogens interchange from axial to equatorial (and vice versa ) on ring flipping Magenta axial Aqua equatorial Magenta equatorial Aqua axial...
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This note was uploaded on 01/25/2010 for the course CHEM chem 140A taught by Professor Dr.yang during the Spring '07 term at UCSD.

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