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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1050393Generated: November 1, 2026

Water → HCID 118598606, compound

https://huagongshe.com/reaction/1050393

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantMethanesulfonic AcidHCID 6395—
ReactantHCID 118598780HCID 118598780—
SolventChloroformHCID 6212—
ProductHCID 118598606HCID 118598606—

Reaction Conditions

Temperature50 °C

Reaction Steps

To a solution of 6′-((4-methoxybenzyl)thio)-8′-methyl-2′H-spiro[cyclohexane-1,3′-imidazo[1,5-a]pyridine]-1′,5′-dione (3, 3.3 g, 8.58 mmol) in chloroform (40 mL) is added methanesulfonic acid (3 mL, 46.23 mmol). The reaction is stirred at 50° C. overnight. The resulting mixture is cooled to room temperature, poured into water and extracted with dichloromethane. The organic layer is dried over magnesium sulfate, filtered and concentrated. The crude is purified via column chromatography to afford 6′-mercapto-8′-methyl-2′H-spiro[cyclohexane-1,3′-imidazo[1,5-a]pyridine]-1′,5′-dione (4).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09382248B2
Source datasetuspto-grants-2016_07
ORD IDord-4b3c4725745b467eb8df9444d79a434f
Source noteuspto-grants-2016_07