Решить ( 30б.) c2h5-cho → c2h5-cooh → ch3-chcl-cooh → ch3-chnh2-cooh → ch3-chnh2-cooch3

C2H5-CHO → C2H5-COOH → CH3-CHCl-COOH → CH3-CHNH2-COOH → CH3-CHNH2-COOCH3

C2H5-CHO + Ag2O ⇒ C2H5-COOH + 2Ag↓

C2H5-COOH + Cl2 ⇒ CH3-CHCl-COOH +HCl↑

CH3-CHCl-COOH + NH3 ⇒ CH3-CHNH2-COOH + HCl↑

CH3-CHNH2-COOH + HO-CH3 ⇒ CH3-CHNH2-COOCH3 + H2O