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采用多聚磷酸催化合成乙酸水杨酸、聚乙二醇相转移催化乙酸水杨陵氛和愈创木酚合成呱西替柳，条件温和，收率达73％～83％。
Polyphosphoric acid was used to catalyze the synthesis of acetic acid salicylic acid and polyethylene glycol phase transfer catalysis, and the guaiacol synthesis of guaiacol was conducted under mild conditions. The yield was 73% -83%.