Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 616080Generated: October 31, 2026

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

https://huagongshe.com/reaction/616080

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 4-(methylsulfonyl)-2-nitro-HCID 89024—
ReactantHCID 178418361HCID 178418361—
CatalystNickelHCID 935—
SolventMethanolHCID 887—
Product4-(methylsulfonyl)benzene-1,2-diamineHCID 6951418—

Reaction Steps

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.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04072696
Source datasetuspto-grants-1978_02
ORD IDord-9ee52dbe9eed40f79f831934bd2da0e0
Source noteuspto-grants-1978_02