Phase-transfer catalyst CHCI3, 50% Naoh in H,o CI C6Hs NEt3 cl 77% H ①D us hase HgO+NaHO Add R,N CI Hg0+Na HO+CI ⑨D CHCa+R,N HO CHCI+Organic Chemistry Organic Chemistry Xiamen Xiamen University University Phase-transfer catalyst CHCl 3, 50% NaOH i n H 2 O C 6 H 5CH 2NEt 3 Cl Cl Cl H H 77%