p-Chlorobenzenesulfonic acid → 4,4'-Dichlorodiphenyl sulfone

HRID 2108245Notes

Reaction equation

HRID 2108245 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([OH:11])(=[O:10])=O)=[CH:4][CH:3]=1>ClC1C=CC=CC=1>[CH:6]1[C:5]([S:8]([C:5]2[CH:6]=[CH:7][C:2]([Cl:1])=[CH:3][CH:4]=2)(=[O:10])=[O:11])=[CH:4][CH:3]=[C:2]([Cl:1])[CH:7]=1

Participants

3

Reactant 1

HCID 7400p-Chlorobenzenesulfonic acid2×

Product 1

HCID 66254,4'-Dichlorodiphenyl sulfone

Reagents, catalysts & solvents 1

HCID 7964ChlorobenzeneSolvent

Procedure

passing a portion of the p-chlorobenzene sulfonic acid product mixture into a reaction zone while passing monochlorobenzene vapor counter-current to the p-chlorobenzene sulfonic acid thereby forming predominately 4,4'-dichlorodiphenyl sulfone;

Sources & evidence

ORD record
ord-ac677d0d40724ee78f001bdd734671a7
Source dataset
uspto-grants-1990_06
Patent number
US04937387

Reaction notes

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