Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1276070Generated: November 2, 2026

Dimethyl Sulfate → N-vinyl-2-pyrrolidone

https://huagongshe.com/reaction/1276070

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfateHCID 6497—
ReactantN-vinyl-2-pyrrolidoneHCID 6917—
Reactant1-VinylimidazoleHCID 66171—
ProductN-vinyl-2-pyrrolidoneHCID 6917—
Product1-VinylimidazoleHCID 66171—
ProductHCID 86756133HCID 86756133—

Reaction Steps

Copolymer of 1-vinylimidazole and 1-vinylpyrrolidone in the molar ratio 55:45 which was quaternized by reaction with dimethyl sulfate to give a terpolymer with units of 1-vinylimidazole, 1-vinyl-3-methylimidazolinium methosulfate and 1-vinylpyrrolidone in the molar ratio 45:10:45. The quaternary polymer had a K value of 34.7.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06165969
Source datasetuspto-grants-2000_12
ORD IDord-c3c252de462946a2a0c61e85c54aa409
Source noteuspto-grants-2000_12