Combination of HNaX Zeolite and Diphenyl Sulfide as Regioselectivity Enhancer in Chlorination of Toluene

Ghasem Khatinzadeh*, Amir Naser Ahmadi, Ali Mehdizadeh

Chemical & Petrochemical Research Division, Research Institute of Petroleum industry
P.O. Box 18745-4163, Tehran, Iran

A catalytic combination of HNaX zeolite and diphenyl sulfide (DPS) has been used to enhance regioselective para chlorination
of toluene by sulfuryl chloride as chlorinating agent.

Keywords: Zeolite, regioselective, para chlorination, sulfuryl chloride, diphenyl sulfide (major product) Scheme 1