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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1379892Generated: October 30, 2026

Methylamine → Ranisen

https://huagongshe.com/reaction/1379892

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantSodium HydroxideHCID 14798—
Reactant2-Nitromethylene-thiazolidineHCID 3835583—
Reactant5-Dimethylaminomethylfurfuryl chloride hydrochlorideHCID 12954792—
SolventWaterHCID 962—
SolventIsopropanolHCID 3776—
ProductRanisenHCID 5039—

Reaction Conditions

Temperature40 °C

Reaction Steps

Combine 2-nitromethylene-thiazolidine (10.0 g) and isopropanol (40 mL). Add methylamine (14.7 g). Heat to 40° C. After 5 minutes, add 5-[(dimethylamino)methyl]-2-(chloromethyl)-furan hydrochloride (13.05 g) portionwise over 1.5 hours. After 3 hours, cool to ambient temperature. Add aqueous sodium hydroxide solution (11.6 g, 50% by weight) and water (20 g). Extract repeatedly with methyl isobutyl ketone. Combine the organic layers and evaporate in vacuo to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05672724
Source datasetuspto-grants-1997_09
ORD IDord-35f4417ac36e4c47bb586671403d36df
Source noteuspto-grants-1997_09