Facile and effective method of preparing 1,4-bis(chlorodifluoromethyl)benzene

摘要

The present invention relates to a facile method of preparing 1,4-bis(chlorodifluoromethyl)benzene, comprising the steps of: (A) providing a reactant liquid of 1,4-bis(difluoromethyl)benzene; optionally (B) providing a light source for UV radiation; and (C) introducing chlorine gas into the reactant liquid at a temperature of 50-90° C. under a pressure above 1 atm to obtain 1,4-Bis(chlorodifluoromethyl)benzene. The invented facile method can be utilized in a batch process or a continuous process for effective production of 1,4-bis(chlorodifluoromethyl)benzene.

主权项

1. A method of synthesizing 1,4-bis(chlorodifluoromethyl)benzene, comprising the steps of:
(A) providing a reactant liquid of 1,4-bis(difluoromethyl)benzene; and (B) introducing chlorine gas (Cl2) into the reactant liquid at a temperature of 50-90° C. under a pressure in a range of 1.001 to 1.10 atm to obtain 1,4-bis(chlorodifluoromethyl)benzene wherein the step (B) further comprises a step of irradiating the reactant liquid by a light source.