ORGANIC CHEMISTRY Chapter 7 CH3 CH3CH2-C-CH2 EtO, EtOH CH3CH-C(CH3)2 CH3CH2C=CH 70°C Br 69 CH331% (more stable) (less stable) Eto--H CH37丰 H H Br The carbon-carbon bond has some of the character of a double bond Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 7 C Br CH3CH2 CH3 EtO, EtOH CH3CH C(CH3)2 CH3CH2C CH2 69% 31% CH3 CH3 + 70°C (more stable) (less stable) C C H H CH3 H Br EtO H The carbon—carbon bond has some of the character of a double bond