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