消去的取向：（查依采夫规则） H2S04 CH3CH2-CH-CH3->CH;CH=CHCH,+CH3CH2CH=CH2 86C OH 80% 20% 也有重排(E1历程) CH3 H+H3C CH3 CH3 CH3C-CH=CH2 CH3 OH CH3 CH3 70% 30% Organic ChemOrganic Chem 消去的取向：(查依采夫规则) 也有重排（E1历程） CH3CH2 CH OH CH3 H2 SO4 86C CH3CH CHCH3 + CH3CH2CH CH2 80% 20% CH3 C CH3 CH3 CH OH CH3 C C H3 C H3 C CH3 CH3 H+ CH3 C CH3 CH3 + CH CH2 70% 30%