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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1884825Generated: October 25, 2026

Hydrazinium hydrate → 4-(4-Aminobenzylamino)-N-(4,6-dimethylpyrimidin-2-yl)-benzenesulfonamide

https://huagongshe.com/reaction/1884825

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazinium hydrateHCID 22629909—
ReactantN-(4,6-dimethylpyrimidin-2-yl)-4-(4-nitrobenzylamino)-benzenesulfonamideHCID 23504906—
CatalystPalladiumHCID 23938—
SolventTetrahydrofuranHCID 8028—
Product4-(4-Aminobenzylamino)-N-(4,6-dimethylpyrimidin-2-yl)-benzenesulfonamideHCID 2350489759%

Reaction Steps

18 mg (0.04 mmol) of N-(4,6-dimethylpyrimidin-2-yl)-4-(4-nitrobenzylamino)-benzenesulfonamide was dissolved in 1 ml of tetrahydrofurane. Hydrazinium hydrate (50 μl, 1.5 mmol) and catalytic amount of palladium on charcoal were added to the reaction mixture. Solution was stirred overnight. The reaction mixture was evaporated to dryness and purified on silica using gradient elution (chloroform to 4% methanol in chloroform) to obtain with a yield of 59%. MS (ESI+): m/z 406 (M+H)+, 384 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06767909B2
Source datasetuspto-grants-2004_07
ORD IDord-c130c63bdc8745a4871f6c1c72ea3508
Source noteuspto-grants-2004_07