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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2285903Generated: November 1, 2026

1-Butyl-5-nitroso-6-aminouracil → 5,6-Diamino-1-butylpyrimidine-2,4(1H,3H)-dione

https://huagongshe.com/reaction/2285903

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Butyl-5-nitroso-6-aminouracilHCID 10798570—
CatalystAdams' catalystHCID 345198—
SolventDimethylformamideHCID 6228—
Product5,6-Diamino-1-butylpyrimidine-2,4(1H,3H)-dioneHCID 10584108—

Reaction Steps

52.8 g (0.27 mol) of 6-amino-1-butyl-5-nitroso-2,4-(1H,3H)-pyrimidinedione (IX) was dissolved in 1 l of DMF at 90° C. and catalytically hydrogenated in the presence of 0.1 g PtO2 for 18 hours and at room temperature and at a pressure of 200 KPa. The catalyst and the crystals were filtered off and washed with ethanol. Yield 36.6 g (67%) (X), NMR.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04325956
Source datasetuspto-grants-1982_04
ORD IDord-9b65d27baeb24d0eb8cc97721a5ec9e1
Source noteuspto-grants-1982_04