第十二章醛酮 1.下列各组化合物分别用同一试剂处理,哪些有反应,哪些无反应。 (1)饱和 NaSO3溶液:C6 HscOch,C6H5CHO,CHCH2CHO,CHCH2COCH (2)HCN: C6Hs CHO, CH3 CH2 COCH3 ChS COCH (3)12+NaOH: CH3CH2OH, OH, CH3 CHO, CH3 CH2 COCH3, CHs COCH; (C2H5 )2CO, CH3 CH2 CHO (4)浓NaOH (CH3)3C-CHO. CH: CH2 CHO CH3COCH3 (5)Tollen iF]: C6Hs CHO, C6HsCOCH3, CH3 CH2 COCH3, CH3 CH2 CH2CHO 鉴别 (1)C6Hs CHO, C6Hs COCH3, C6Hs COCH2CH3 (2)HCHO, CH3 CHO, CH3 COCH3 (3)CH3 COCH2 CH2CH3, (C2H5 )2CO CH3CH CH CHCH (4)CH3(CH2)3CHO OH, (C2H5)2CO 3排序 (1)按羰基活性 a (CH3 )3 CCOC(CH3)3, CH3 COCHO, CH3 COCH2 CH3, CH3 CHO b CH3 CH2 COCH3 CH3 COCCI3 (2)按酸性 a CH3NO2, CH3 CHO, CH3 CN, CH3 COCH3 b CH2(NO2)2, CH3 COCH2COCH3, CH3 CH2 COCH2COCH2CH3 C6HsCOCH2 COCH3. C6HsCOCH2COCF3 烯醇式含量第十二章 醛 酮 1. 下列各组化合物分别用同一试剂处理，哪些有反应，哪些无反应。 (1)饱和 NaHSO3 溶液: C6H5COCH3, C6H5CHO, CH3CH2CHO, CH3CH2COCH3, O (2) HCN: C6H5CHO, CH3CH2COCH3, O , C6H5COCH3 (3) I2+NaOH: CH3CH2OH, CH3CH2CHCH3 OH , CH3CHO, CH3CH2COCH3, C6H5COCH3, (C2H5)2CO, CH3CH2CHO, O , O (4) 浓 NaOH: H3C CHO , (CH3 )3C CHO, CH3CH2CHO, CH3COCH3 (5) Tollen 试剂：C6H5CHO, C6H5COCH3, CH3CH2COCH3, CH3CH2CH2CHO 2. 鉴别。 (1) C6H5CHO, C6H5COCH3, C6H5COCH2CH3 (2) HCHO, CH3CHO, CH3COCH3 (3) CH3COCH2CH2CH3, (C2H5)2CO, O (4) CH3(CH2)3CHO, CH3CH2CH2CHCH3 OH , (C2H5)2CO 3.排序。 （1）按羰基活性 a. (CH3)3CCOC(CH3)3, CH3COCHO, CH3COCH2CH3, CH3CHO b.CH3CH2COCH3, CH3COCCl3 c. O , O (2) 按酸性 a. CH3NO2, CH3CHO, CH3CN, CH3COCH3 b. CH2(NO2)2, CH3COCH2COCH3, CH3CH2COCH2COCH2CH3, C6H5COCH2COCH3, C6H5COCH2COCF3 c. 烯醇式含量