SULFONATING AGENT AND PROCESS

摘要

A sulfonating agent represented by the general formula (see formula I) wherein the groups R1 are the same or different and are each a lower alkyl group having 1 to 3 carbon atoms, n is an integer of 3, 4 or 5, m is an integer of 1 or 2, and n + m .ltoreq. 6, and a process for sulfonating an aromatic compound with use of the sulfonating agent.