●●●●● ●●●● ●●0 (2)氯甲基化 ●●● ●●●● CH2OH CH2Cl HCHO+ Hc/<ncle HCI H2O 60C (3)由重氮盐制备 NH2 n2 BFZ )NanO,HCI (2)HBF4 CH CH3（2）氯甲基化 CH2OH CH2Cl HCHO HCl H2O ZnCl2 HCl 60 O C （3）由重氮盐制备 NH2 CH3 (1) NaNO2 , HCl (2) HBF4 N2 + BF4 - CH3 F CH3