H2C-CH-CH3+ NH3 presure H2C-CH-CH3 NH OH H2C-CH-CH3 N H2C-CH,+ HCI/H,O 76% R H2C-CHz+R2NH→Ho~NR ACl/csh H2C-CH2 n-Bu2NH NH277-89%O H2 C CH CH3 NH2 OH O H2 C CH CH3 NH OH OH O H2 C CH CH3 N OH OH HO O H2 C CH2 NH2 HO H N O H2 C CH2 HO N R R + NH3 presure + HCl/H2 O 76% + R2 NH H N H2 C CH2 + n-Bu2 NH AlCl 3 /C6 H5 N NH2 77-89%