ORGANIC CHEMISTRY Chapter 6 CH3 CH2-CH-CH3 KOH, EtOH CH2CH=CHCH Br 81% CH3 CH2CH=CH 19 CH 3 CH3CH2C—CH2KOH,EtOH CH3CH=C(CH3)2 △ Br 71% CH3CH2C=CH2 CH329 Zaitsev(saytzeff) rule: base-induced elimination reactions generally give the more highly substituted alkene product Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 6 CH Br CH3CH2 CH3 KOH, EtOHCH3CH CHCH3 CH3CH2CH CH2 81% 19% C Br CH3CH2 CH3 KOH, EtOHCH3CH C(CH3)2 CH3CH2C CH2 71% 29% CH3 CH3 + + Zaitsev (Saytzeff) rule: base-induced elimination reactions generally give the more highly substituted alkene product