The procedure of benzal chloride and benzylchloride was obtained by chlorination toluene, then through catalytic acidic hydrolysis and oxidation, produced benzaldehyde.

• 本文研究了甲苯氯化得到苄叉二氯和氯化苄混合物，然后经催化酸解氧化制备苯甲醛，并探讨了氯化催化酸解及氧化的反应条件。