| abstract |
The solution relates to a process for preparing N-n-chloromethylphthalimide from an aqueous solution of N-n-Hydroxymethylphthalimide, which is introducedntemperature of 50 to 100 ° C to an inert organicnsolvent, the reaction mixture is azeotropicnby distillation, water, methanol are removednand formaldehyde and the resulting suspensionnN-hydroxymeiylphthalimide in an inert organicnwith a solvent with hydrochloride and / ornaqueous hydrochloric acidnto a solution of N-chloromethylphthalimide. |