反应详情

温度

45 °C

To a solution of 3-hydroxyphenethylamine hydrochloride (3.0 g) in methanol (6 mL), formaldehyde (37% aqueous solution, 2.7 mL) and a catalytic amount of concentrated hydrochloric acid were added, followed by stirring at 45° C. for 18 hours. The reaction mixture was concentrated and the obtained solid was washed with a mixed solvent of diisopropyl ether-methanol (1:2) to thereby give the title compound (2.8 g) having the following physical properties.

1. concentrationThe reaction mixture was concentrated
2. washthe obtained solid was washed with a mixed solvent of diisopropyl ether-methanol (1:2)