ORGANIC CHEMISTRY Chapter 4 Conformations of ethane Representations of conformers o Newman projections( Newman投影式) Sawhorse(锯架式) o Wedge-dash(虚线楔线式,伞式) H H H、 H H H H H H H H H H H Newman projections Sawhorse Wedge-dash Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 Conformations of Ethane Representations of conformers Newman projections (Newman 投影式) Sawhorse (锯架式) Wedge-dash (虚线-楔线式 伞式) H H H H H H H H H H H H H H H H H H Newman projections Sawhorse Wedge-dash