A process for preparing 2,3-dihydro-2,2-dimethyl-7-hy- droxybenzofuran in which 2-methallyloxyphenol is heated to a temperature in the range of 150°C to 250°C in the presence of a solvent and a Lewis acid catalyst under an autogenous pressure of 20 to 60 psig is disclosed and exemplified.
本发明公开并举例说明了一种制备 2,3-二氢-2,2-二甲基-
7-羟基苯并呋喃的工艺,在该工艺中,
2-甲基丙烯酰氧基
苯酚在溶剂和
路易斯酸催化剂的存在下,在 20 至 60 psig 的自生压力下被加热到 150°C 至 250°C 的温度范围内。