Process for synthesizing n,n'-dithiobis(sulfonamides)

Details Process for synthesizing n,n'-dithiobis(sulfonamides) Process for synthesizing n,n'-dithiobis(sulfonamides)

C - Chemistry, Metallurgy

07

C

260/541.15, 260/

C07C 313/36 (2006.01) C07C 303/40 (2006.01) C07D 295/26 (2006.01) C07C 311/48 (2006.01)

Patent

CA 1317314

Abstract of the Disclosure PROCESS FOR SYNTHESIZING N,N'-DITHIOBIS(SULFONAMIDES) The present invention relates to a process for synthesizing N,N'-dithiobis(sulfonamides) by reacting a sulfonamide of the formula: Image with sulfur monochloride and caustic in a mixed organic-aqueous media, wherein R1 and R2 are independently selected from the group consisting of alkyl radicals having from about 1 to about 20 carbon atoms, cycloalkyl radicals having from about 5 to about 20 carbon atoms, phenyl radicals, alkaryl radicals having from about 7 to 20 carbon atoms, and haloaryl radicals having about 6 to about 10 carbon atoms and where R1 is also selected from radicals having the formula: Image wherein R3 and R4 are individually selected from said alkyl, cycloalkyl, phenyl, alkaryl and haloaryl radicals and wherein R3 and R4 can be joined together to represent radicals selected from Image , where n is an integer of 4 to 7 and Image .

609572

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