Benzenamine, 4-(methylsulfonyl)-2-nitro- → 4-(methylsulfonyl)benzene-1,2-diamine

HRID 616080Notes

Reaction equation

HRID 616080 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([CH3:11])(=[O:10])=[O:9])=[CH:4][C:3]=1[N+:12]([O-])=O.[H][H]>[Ni].CO>[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([CH3:11])(=[O:10])=[O:9])=[CH:4][C:3]=1[NH2:12]

Participants

5

Reactant 2

HCID 89024Benzenamine, 4-(methylsulfonyl)-2-nitro-HCID 178418361HCID 178418361, compound

Product 1

HCID 69514184-(methylsulfonyl)benzene-1,2-diamine

Reagents, catalysts & solvents 2

HCID 935NickelCatalystHCID 887MethanolSolvent

Procedure

2 G. of 1-amino-4-methylsulfonyl-2-nitrobenzene is treated in 200 ml. methanol with hydrogen at 4 atmospheres pressure in the presence of Raney nickel catalyst. The catalyst is removed by filtration and the filtrate concentrated to yield pure 1,2-diamino-4-methylsulfonylbenzene.

Workup

  1. customThe catalyst is removed by filtration
  2. concentrationthe filtrate concentrated

Sources & evidence

ORD record
ord-9ee52dbe9eed40f79f831934bd2da0e0
Source dataset
uspto-grants-1978_02
Patent number
US04072696

Reaction notes

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