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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1855835Generated: October 30, 2026

Methyl iodide → 2-(Methylsulfanyl)-5-[(pyridin-4-yl)methyl]pyrimidin-4(3H)-one

https://huagongshe.com/reaction/1855835

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantSodium HydroxideHCID 14798—
Reactant5-(4-Pyridylmethyl)-2-thiouracilHCID 14338579—
SolventEthanolHCID 702—
SolventWaterHCID 962—
Product2-(Methylsulfanyl)-5-[(pyridin-4-yl)methyl]pyrimidin-4(3H)-oneHCID 14338585—

Reaction Steps

A solution of 5-(4-pyridylmethyl)-2-thiouracil (11.0 g), methyl iodide (7.2 g) and sodium hydroxide (2.1 g) in water (50 ml) and ethanol (100 ml) was stirred at 60° for 30 minutes, allowed to cool and filtered to give 5-(4-pyridylmethyl)-2-methylthio-4-pyrimidone m.p. 179°-182° (ethanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04216318
Source datasetuspto-grants-1980_08
ORD IDord-63092aa426514473b17b330ba51d79f6
Source noteuspto-grants-1980_08