CH3 - CH3CH2CH2NH2 CH3 CH2 CONH2 NaoH CH3 CH2 CH2 CONHNa NaOH CH3CH2CH2 CONHBr-hBrCH3CH2CH2CON CH3CH2CH2N=C=0 -H30 CH3 CH2 NH2 3) COCl2+ CH3NH2- CICNHCH C H OCONHCH3 3.用简单的反应来区别下列各组化合物: (1) CH3 CHCOOH FA CH3CH2COCI 2)丙酸乙酯和丙酰胲 G)c:cooc5和CH:ooH(4) CH3COONH4和 CH3CONH2 (5)(CH3CO)2O Fn CH3COOC2H5 答案:CH3CH2CH2CONH2 CH3CH2CH2NH2 CH3CH2CH2CONH2 NaOH CH3CH2CH2CONHNa Br2 CH3CH2CH2CONHBr NaOH -HBr CH3CH2CH2CON CH3CH2CH2N C O H3O + CH3CH2CH2NH2 （3） COCl2 + CH3NH2 ClCNHCH3 O Cl OCONHCH3 Cl OH 3． 用简单的反应来区别下列各组化合物： 答案：