2,4dichlorobenzenesulfonyl chloride

2,4-Dichlorobenzenesulfonyl chloride is a heterocyclic building block.1It has been used in the synthesis of nicotinyl arylsulfonylhydrazides that have anticancer and antibacterial activitiesin vitro. 1.Kamal, A., Khan, M.N.A., Reddy, K.S., et al.Synthesis of a new class of 2-anilino substituted nicotinyl arylsulfonylhydrazides as potential anticancer and antibacterial agentsBioorg. Med. Chem.15(2)1004-1013(2007)