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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 357023Generated: October 30, 2026

Sulfuric acid magnesium salt (1:1) → 4-Amino-2-(4-hydroxybutylthio)pyrimidine

https://huagongshe.com/reaction/357023

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric acid magnesium salt (1:1)HCID 24083—
ReactantAluminumHCID 5359268—
Reactant4-Amino-2-(3-ethoxycarbonylpropylthio)pyrimidineHCID 18936784—
ReactantAluminium lithium hydrideHCID 21226445—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product4-Amino-2-(4-hydroxybutylthio)pyrimidineHCID 18936811—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of 6.03 g (25 mmol) of 4-amino-2-(3-ethoxycarbonylpropylthio)pyrimidine in 150 ml of tetrahydrofuran, 0.949 g (150 mmol) of lithium aluminum hydride was added at room temperature, followed by stirring at 60° C. for 2 hours. After the reaction mixture was cooled, water was added little by little to decompose the excess aluminum reagent. After anhydrous magnesium sulfate was added to the mixture, the precipitate was filtered off, after which the solvent was distilled off to yield 8.85 g (88.8%, white crystal) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05840732
Source datasetuspto-grants-1998_11
ORD IDord-5d1e24aefc384d8ba4fafb17322cbc64
Source noteuspto-grants-1998_11