H2SO4 (1) CICH2COOH CH3 CH2OH H2SO (2) H3CHC=CHCOOH CH3OH CH3 H2SO4 (3) CH3COOH + Ho (CH2)5CH3 答案 H2SO4 (1) CICH2COOH CH3 CHOH CICH2, CH3 H,SO4 (2) H3CHC=CHCOOH CH:OH l3 CHC=CHCOOCH3 CH H H2SO4 (3)CH3COOH Ho (CH2)5 CH3 (CH2)5CH 问题124按与CH3CH2OH酯化反应速度的快慢顺序排列下列羧酸: CH3COOH CH3CHCOOH (CH3)2CHCOOH (CH3)3CCOOH 答案 由快到慢 CH3COOH CH3 CH2COOH (CH3)2CHCOOH (CH3)3CCOOH 问题12.5写出下列反应的产物: (1) CH3 CH2 CH2COOH (1)LiAlH4 (2)H2O COOH Br2 答案:(1) (2) (3) ClCH2COOH + CH3CH2OH H2SO4 H3CHC CHCOOH + CH3OH H2SO4 CH3COOH + HO C CH3 H (CH2)5CH3 H2SO4 答案： (1) (2) (3) ClCH2COOH + CH3CH2OH H2SO4 H3CHC CHCOOH + CH3OH H2SO4 CH3COOH + HO C CH3 H (CH2)5CH3 H2SO4 ClCH2COOCH2CH3 H3CHC CHCOOCH3 H3COCO C CH3 H (CH2)5CH3 问题 12.4 按与 CH3CH2OH 酯化反应速度的快慢顺序排列下列羧酸： CH3COOH CH3CH2COOH (CH3)2CHCOOH (CH3)3CCOOH 答案： 由快到慢： CH3COOH CH3CH2COOH (CH3)2CHCOOH (CH3)3CCOOH 问题 12.5 写出下列反应的产物： (1) CH3CH2CH2COOH NH3 △ (2) COOH (1) LiAlH4 (2) H2O (3) COOH Br2 P 答案：