| abstract |
The invention belongs to the technical field of chemical synthesis, and discloses o-chlorobenzoic acid- 14 C and a process for the preparation thereof, wherein the starting materials for the preparation process 14 C, marking, comprising the following steps: (1) preparing benzonitrile; (2) preparation of benzamides(ii) a (3) Preparing o-chlorobenzamide; (4) preparing o-chlorobenzoic acid. The method has the advantages of low cost, mild reaction and high product purity. |