1.1: ZnCl2 / 0.5 h / 40 °C
1.2: SOCl2 / 2 h / 50 °C
1.3: K2CO3 / acetone / 96 h / Heating
2.1: LiBr; methyltriotcylammonium chloride / 1 h / 125 °C
3.1: 2.80 g / 48 h / 95 - 100 °C
View Scheme
1: With zinc(II) chloride
T=40°C; modified Blanc chloromethylation; 0.5 h;
2: With thionyl chloride
T=50°C; 2 h; Title compound not separated from byproducts;