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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 613654Generated: October 29, 2026

Hydrochloric Acid → 2-(2-Aminoethyl)-1H-isoindole-1,3(2H)-dione--hydrogen chloride (1/1)

https://huagongshe.com/reaction/613654

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-Butyl [2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]carbamateHCID 11483141—
SolventEthyl AcetateHCID 8857—
Product2-(2-Aminoethyl)-1H-isoindole-1,3(2H)-dione--hydrogen chloride (1/1)HCID 22063849—

Reaction Steps

A mixture of N-(2-tert-butoxycarbonylaminoethyl)phthalimide (2.5 g) and 4N solution of hydrogen chloride in ethyl acetate (25 ml) was stirred for 1 hour at ambient temperature. The resulting precipitates were collected by filtration and washed with ethyl acetate to give N-(2-aminoethyl)phthalimide hydrochloride (1.89 g) as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06008229
Source datasetuspto-grants-1999_12
ORD IDord-088d5612d5cc4277bcff6be687a19dbe
Source noteuspto-grants-1999_12