Phoc- N—CH3 OH H2C △ NH2 Br2 5H2O NaOCI/CH,OH Ph-C—CH CH3 ④CH3 NaNHa/CH CO CF3CO3HN Cl PhOC C H 3 O H- 9 OO O H- 10 H O H H + 11 H 2 C H 2 C CC N H 2 OO Br2 5 H 2 O 12 CC NCH 3 C H 3 P h P h O H N a O Cl/ C H 3 O H 13 N C H 3 P h N aN H 2 / C 6 H 6 14 C O N O 2 C F3C O3H 15