Chiral Carbons Tetrahedral carbons with 4 different attached groups are chiral. If there's only one chiral carbon in a molecule,its mirror image will be a different compound (enantiomer). 目 Copyright2005 Pearson Prentice Hall,Inc
Chiral Carbons Tetrahedral carbons with 4 different attached groups are chiral. If there ’s only one chiral carbon in a molecule, its mirror image will be a different compound (enantiomer)
手性和对称因素 手性(chirality):物质的分子与其镜像不能重合 的性质，是产生旋光性的充分和必要条件。 (I)、对称面Mirror)) H
手性和对称因素 手性(chirality)：物质的分子与其镜像不能重合 的性质，是产生旋光性的充分和必要条件。 (1)、对称面(Mirror)
(2)、对称中心 (3)、对称轴 图8-8p对称中心 (4)、更替对称轴 H H H CI H 统定转90 H
(2)、对称中心 图8-8 p对称中心 (4)、更替对称轴 (3)、对称轴 H H H Cl H Cl H Cl H H Cl H
对称中心 AaF
对称中心
Plane of symmetry A plane of symmetry bisects a molecule into two mirror image halves.Chlorodifluoromethane has a plane of symmetry
A plane of symmetry bisects a molecule into two A plane of symmetry bisects a molecule into two mirror image halves. mirror image halves. Chlorodifluoromethane Chlorodifluoromethane has a plane of symmetry. has a plane of symmetry. Plane of symmetry Plane of symmetry