A process for the preparation of perfluoroalkyl sulfenyl chloride; said process comprising i) reacting a compound of formula (I) wherein R represents an aromatic group with or without a substituent; and R' represents a halogen, with at least one fluoride compound and thiophosgene in a solvent to obtain a reaction mass; ii) pulverizing the reaction mass with the help of beads to obtain a mixture containing trifluoromethyl thiomethyl benzene derivative; iii) isolating the trifluoromethyl thiomethyl benzene derivative from the mixture; iv) distilling the trifluoromethyl thiomethyl benzene derivative to obtain a purified trifluoromethyl thiomethyl benzene derivative; v) dissolving the purified trifluoromethyl thiomethyl benzene derivative in a solvent selected from the group consisting of dichloromethane, toluene, benzene, ethylene dichloride, mono chloro benzene, carbon tctra chloride, ortho dichloro benzene and tri chloro benzene; and vi) cleaving the trifluoromethyl thiomethyl benzene derivative by selective chlorinolysis by passing chlorine gas at a temperature in the range of about -10 to about 30°C to obtain perfluoroalkyl sulfenyl chloride
一种制备
全氟烷基
磺酰氯的方法;该方法包括:i)将式(I)化合物与至少一种
氟化物化合物和
硫代
氯酰在溶剂中反应,其中R表示带或不带取代基的芳香基;R'表示卤素,以获得反应物;ii)通过珠子的帮助粉碎反应物以获得含有三
氟甲
硫基苯甲基衍
生物的混合物;iii)从混合物中分离出三
氟甲
硫基苯甲基衍
生物;iv)蒸馏三
氟甲
硫基苯甲基衍
生物以获得纯化的三
氟甲
硫基苯甲基衍
生物;v)将纯化的三
氟甲
硫基苯甲基衍
生物溶解在从以下组中选择的溶剂中:
二氯甲烷、
甲苯、苯、
1,2-二氯乙烷、单
氯苯、
四氯化碳、
邻二氯苯和
三氯苯;vi)通过在约-10至约30°C的温度下通过
氯气进行选择性
氯解来断开三
氟甲
硫基苯甲基衍
生物,以获得
全氟烷基
磺酰氯。