3.用兴斯堡方法分离下列化合物 CH3CH CH2CH2 NH2: CH3CH2CH2 CH2NHCH3; CH3CH2 CH2CH2N(CH3) 解 CH3 CH2CH2CH2NH2 沉淀溶解 P-CH3CsH4SO2C1 NaOH溶液 CH2CH, CH,CH,NH(CH 沉淀不溶解 CH3_CH2CH2N(CH3) 4.指出用于经邻苯二甲酰亚胺制备(l)正两胺:(2烯丙胺:(3)苄胺的试剂