反应详情

温度

80 °C

A suspension of 3-methoxyphenol (44.69 kg, 360 mol) and 4-hydroxyphenylacetic acid (68.5 kg, 450 mol) in 144 L of chlorobenzene was purged with nitrogen gas. Boron trifluoride diethyl etherate (177 L, 1440 mol) was added at 20 to 25° C. The suspension was heated to 80° C. and stirred for 4 to 5 h then cooled to 5 to 10° C. and stirred overnight.

1. customwas purged with nitrogen gas
2. temperaturethen cooled to 5 to 10° C.
3. stirringstirred overnight