o fluorotoluene was obtained from o tolidine through Schiemann reaction. o fluorotoluene was then chloridized and hydrolyzed,in turn,to give 52% of o fluorobenzonitrilc with a purity of 99%.

• 以邻甲苯胺为原料；经希曼反应合成了邻氟甲苯；再经氯化、水解、肟化和脱水4步反应生成了邻氟苯甲腈；考察了每步反应对合成的影响；总收率34.；4%25；产品纯度达到了99%25以上