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采用相转移催化法与超声波催化法催化，合成邻羟基苯甲醛和对羟基苯甲醛，超声波催化使总羟基苯甲醛收率达到７７％，用叔胺和季铵盐做为相转移催化剂，总醛收率达到６０％以上，并给出了最佳反应条件。
The synthesis of o-hydroxybenzaldehyde and p-hydroxybenzaldehyde was catalyzed by phase transfer catalysis and ultrasonic catalysis. The yield of total hydroxybenzaldehyde was 77% by ultrasonic catalysis and the total aldehyde The yield is more than 60%, and the best reaction conditions are given.