Procedure for the synthesis of fosgenacion Chloromethyl chloroformate by Formaldehyde.

摘要

Procedure for the synthesis of fosgenacion Chloromethyl chloroformate by Formaldehyde.It includes the following Operations: First, it introduces the formalin gaseous State previously dried and monomer in a reactor that contains phosgene; Second, is introduced into the reactor, a catalyst selected from substituted amides, ureas or thioureas TETRASUSTITUIDAS, fosforamidas totall The nte and Nitrogen substituted QUATERNARY AMMONIUM Halide; and finally,The reaction is performed in the absence of water and hydrochloric acid, at a temperature from C10 and B60 degrees.