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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1591950Generated: October 30, 2026

Methanesulfonic Acid → HCID 9911750, compound

https://huagongshe.com/reaction/1591950

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanesulfonic AcidHCID 6395—
ReactantRosiglitazoneHCID 77999—
SolventAcetoneHCID 180—
ProductHCID 9911750HCID 991175091.6%

Reaction Conditions

Temperature40 °C

Reaction Steps

5-[4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzyl]thiazolidine-2,4-dione (15 g) in acetone (230 ml) was stirred and heated to reflux for 30 minutes at which point a clear solution was observed. Methanesulfonic acid (4.0 g) was added and the mixture was stirred at reflux for 5 minutes, then cooled to 40° C. and stirred until crystallisation was observed. After cooling to 21° C. the product was collected by filtration and dried under vacuum at 21° C. to provide 5-[4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzyl]thiazolidine-2,4-dione methanesulfonate (17.3 g) as a white crystalline solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07291740B2
Source datasetuspto-grants-2007_11
ORD IDord-5234ebeb429a4225ae558ecc551e3036
Source noteuspto-grants-2007_11