3°醇 震荡立即出现混浊分层 2°醇 慢慢混浊分层 1°醇 加热慢慢出现少许混浊 S1的重排现象： CH3 HCI CH3 CHsC-CHCH3->CH3 C-CH C3 CH3 CH3OH CH3 CH3OH 无 CH3 H3 CH3C-CH2OH 背面进攻困难 CH3 Organic Chem Organic Chem 3º 醇——震荡立即出现混浊分层 2º 醇——慢慢混浊分层 1º 醇——加热慢慢出现少许混浊 SN1 的重排现象： 无 背面进攻困难 CH3 C CH3 CH3 CH OH CH3 CH3 C Cl CH3 CH CH3 CH3 HCl CH3 C CH3 CH3 CH OH CH3 CH3 C CH3 CH3 CH2OH HCl CH3 C Cl CH3 CH2CH3