摘要：【中文】本发明涉及在芳环上直接引入醛基的方法。主要解决现有技术中存在的芳香烃转化率以及芳香醛选择性低的问题，本发明采用在芳环上直接引入醛基的方法，包括在催化剂催化下芳香烃与CO进行羰基化反应获得芳香醛，其中所述催化剂包括载体、离子液体和化合态助剂金属，所述载体为硅基材料，所述离子液体组成包括卤化铝和化学式I所示的咪唑盐，其中，R₁和R₂独立选自C1～C8的烷基，X选自氯或溴；所述卤化铝表示为AlY₃，Y选自氯或溴；所述化合态助剂金属包括Cu、Fe、Cr、V或Mn中的至少一种。 【EN】The invention relates to a method for directly introducing aldehyde groups on aromatic rings. The invention mainly solves the problems of low aromatic hydrocarbon conversion rate and low aromatic aldehyde selectivity in the prior art, adopts a method for directly introducing aldehyde groups on aromatic rings, and comprises the step of carrying out carbonylation reaction on aromatic hydrocarbons and CO under the catalysis of a catalyst to obtain aromatic aldehydes, wherein the catalyst comprises a carrier, ionic liquid and a chemical compound auxiliary agentThe carrier is a silicon-based material, the ionic liquid comprises aluminum halide and imidazole salt shown in a chemical formula I, wherein R is₁And R₂Independently selected from alkyl of C1-C8, and X is selected from chlorine or bromine; the aluminum halide is expressed as AlY₃Y is selected from chlorine or bromine; the compound auxiliary metal comprises at least one of Cu, Fe, Cr, V or Mn.