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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1837798Generated: November 1, 2026

Ethanolamine → N-(2-Hydroxyethyl)phthalimide

https://huagongshe.com/reaction/1837798

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
ReactantPhthalic AnhydrideHCID 6811—
ProductN-(2-Hydroxyethyl)phthalimideHCID 77499—

Reaction Steps

Phthalic anhydride (100 g, 0.67M) was condensed with monoethanol amine (41.2 g, 0.91 M) at 160-178° C. for 4 hours. The reaction mass was quenched in hot water at 95° C., cooled and filtered and washed with water twice and dried at 90-95° C. for 12 hours. Yield 118 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06784297B2
Source datasetuspto-grants-2004_08
ORD IDord-8811deeebe7c48d59451dc836ff1a1e1
Source noteuspto-grants-2004_08