Ch_322a_5.013

Ch_322a_5.013 - Stereoisomerism in Cyclic Compounds The...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Stereoisomerism in Cyclic Compounds The stereochemical features of cyclic systems can be examined using the (sometimes hypothetical) planar structures. 1,2-Dimethylcyclopropane CH 3 CH 3 H H CH 3 CH 3 H H I II trans CH 3 CH 3 H H III cis Stereoisomers I and II are the enantiomers of the chiral trans diastereomer . Stereoisomer III is the meso diastereomer (achiral) with a plane of symmetry.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1,3-Dimethylcyclopentane CH 3 CH 3 CH 3 CH 3 CH 3 CH 3 H H H H H H trans I II III cis Stereoisomers I and II are the two enantiomers of the chiral trans diastereomer . Stereoisomer III is the meso cis diastereomer . Even though cyclopentane has a nonplanar conformation, the analyses of the planar geometries lead to correct stereochemical conclusions.
Background image of page 2
Stereochemical Features of Dimethylcyclohexanes An examination of hypothetical planar structures does provide quick and correct conclusions about the stereochemical features of the dimethylcyclohexanes. A thorough evaluation requires an examination of the
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/22/2009 for the course CHEM 322AL taught by Professor Jung during the Summer '07 term at USC.

Page1 / 5

Ch_322a_5.013 - Stereoisomerism in Cyclic Compounds The...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online