S1反应的另一个特点：反应伴有重排。 CH3 CH3 CH3-C-CH-CH3 H20 H3C Br SN1 →CHH.CH,排，CH在CHC再 H3C HaC CHs OH H20 H CH3-C-CH-CH3 H:C CH3 试解释(S)-3甲基3-溴已烷在水-丙酮中反应，结果 旋光性消失的实验事实。 H3C Br H3C OH CH3CH2CH2CCH2CH3 CH3CH2CH2CCH2CH3 (+ SN1 H2O SN1 + 重排 CH3 C- CH CH3 H3C CH3 + H2O CH3 - C- CH- CH3 H3C CH3 OH CH3 -C-CH-CH3 CH3 H Br 3C CH3 -C-CH-CH3 CH3 H3C -H + SN1反应的另一个特点：反应伴有重排。 试解释 (S)-3-甲基-3-溴己烷在水-丙酮中反应, 结果 旋光性消失的实验事实。 CH3CH2CH2CCH2CH3 H Br 3C CH3CH2CH2CCH2CH3 ( ) H3C OH + - SN1