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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1449197Generated: November 2, 2026

2-(2-Diethoxyphosphorylethyl)isoindole-1,3-dione → Diethyl (2-aminoethyl)phosphonate

https://huagongshe.com/reaction/1449197

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(2-Diethoxyphosphorylethyl)isoindole-1,3-dioneHCID 254377—
SolventEthanolHCID 702—
SolventHydrazine hydrate (1:1)HCID 24654—
ProductDiethyl (2-aminoethyl)phosphonateHCID 2733596—

Reaction Steps

A mixture of 4.67 g (0.015 mol) of diethyl phthalimidoethylphosphonate in 30 ml of ethanol and 1.2 ml of 100% hydrazine hydrate is kept at ambient temperature for ca. 16 hours then is refluxed for 2 hours. The mixture is cooled and filtered and the filtrate is concentrated to give diethyl (2-aminoethyl)phosphonate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04189573
Source datasetuspto-grants-1980_02
ORD IDord-eaf6b5a7f63d48d6b2cebbc511fe7fc0
Source noteuspto-grants-1980_02