1: ethyl bromide With magnesium in diethyl ether T=80°C; 2: 1-phenoxymethyl-1,2-ethanediol With dilithium tetrachlorocuprate in tetrahydrofuran; diethyl ether T=-78 - 20°C;

sodium hydroxide T=80 - 85°C; 4 h;

(i) Mg, Et2O, (ii) /BRN= 970857/; Multistep reaction;