发明申请
US20110263902A1 PROCESS FOR PREPARING 4,4'-DICHLORODIPHENYL SULFONE 审中-公开
制备4,4'-二氯苯基磺酰胺的方法

PROCESS FOR PREPARING 4,4'-DICHLORODIPHENYL SULFONE
摘要:
The invention relates to a process for preparing 4,4′-dichlorodiphenyl sulfone, comprising the reaction of monochlorobenzene and liquid sulfur trioxide, wherein the liquid sulfur trioxide used has a boron content of at most 100 ppm based on the total weight of the sulfur trioxide used, including all secondary components.
信息查询
0/0