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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 444523Generated: October 29, 2026

Ethanolamine → HCID 275570, compound

https://huagongshe.com/reaction/444523

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
Reactant3,4,5-TrimethoxybenzaldehydeHCID 6858—
ReactantHydantoinHCID 10006—
SolventWaterHCID 962—
ProductHCID 275570HCID 27557083.3%

Reaction Steps

A mixture of 3,4,5-trimethoxybenzaldehyde (2.497 g.) and hydantoin (1.276 g., 1 molar ratio) in water (15 ml) was heated to 70°. Monoethanolamine (1.17 g., 1.5 molar ratio) was added, followed by magnetic stirring and heating (90°-92°, bath temperature) for 4 hours. Usual workup gave the title compound as a yellow solid (2.950 g.), m.p. 266°-268°. Crystallization from dioxane (80% recovery) gave m.p. 268°-270°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04264617
Source datasetuspto-grants-1981_04
ORD IDord-f0d3ff1c2fea4f708f3a7d18d4efc1d1
Source noteuspto-grants-1981_04