Phosphorus oxychloride → 4-Chloro-3,5-dinitrobenzene-1-sulfonyl chloride

HRID 2291608Notes

Reaction equation

HRID 2291608 reaction equation
[K+].[N+:2]([C:5]1[CH:6]=[C:7]([S:15]([O-:18])(=O)=[O:16])[CH:8]=[C:9]([N+:12]([O-:14])=[O:13])[C:10]=1[Cl:11])([O-:4])=[O:3].P(Cl)(Cl)([Cl:21])=O>C(#N)C.C1S(=O)(=O)CCC1>[N+:2]([C:5]1[CH:6]=[C:7]([S:15]([Cl:21])(=[O:18])=[O:16])[CH:8]=[C:9]([N+:12]([O-:14])=[O:13])[C:10]=1[Cl:11])([O-:4])=[O:3]

Participants

5

Reactant 2

HCID 24813Phosphorus oxychlorideHCID 3036952Benzenesulfonic acid, 4-chloro-3,5-dinitro-, potassium salt

Product 1

HCID 143239864-Chloro-3,5-dinitrobenzene-1-sulfonyl chloride

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolventHCID 31347SulfolaneSolvent

Procedure

760 g (2 moles) 3,5-dinitro-4-chlorobenzenesulfonic acid potassium salt (approx. 85%) and 614 g (4 moles) phosphorus oxychloride were reacted as in Example 1(a) in 800 ml acetonitrile and 800 ml tetramethylenesulfone.

Sources & evidence

ORD record
ord-886594b4c60146f0b53deefa13b970a5
Source dataset
uspto-grants-1989_01
Patent number
US04797427

Reaction notes

Loading…