1.烃基结构 R一Br+H2O xR一OH+HBr R=CH3 CH3 CH2(CH3)2CH( CH3)3C ③相对速率1.01.7 45 8 1X10 R一Br+I N R—I+Br R=CH3 CH3 CH2(CH3)2CH (CH3)3C 相对速率15010 0.01 0.001Organic Chemistry Organic Chemistry Xiamen Xiamen University University 1. 烃基结构 R B r + H 2O R O H + H B r R B r + I R I + B r R = CH 3 CH 3CH 2 (C H 3 ) 2CH ( C H 3 ) 3 C 相对速率 1.0 1.7 45 1 x 10 8 S N 1 S N 2 R = CH 3 CH 3CH 2 (C H 3 ) 2CH ( C H 3 ) 3 C 相对速率 150 1.0 0.0 1 0.0 0 1