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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846984Generated: November 1, 2026

Acetic Anhydride → 1H-Pyrrole-2,5-dione, 1,1'-(1,8-octanediyl)bis-

https://huagongshe.com/reaction/1846984

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantMaleic AnhydrideHCID 7923—
Reactant1,8-OctanediamineHCID 24250—
ReactantSodium AcetateHCID 517045—
Product1H-Pyrrole-2,5-dione, 1,1'-(1,8-octanediyl)bis-HCID 573537—

Reaction Steps

The general procedure was carried out using maleic anhydride (14.27 g, 146 mmol), 1,8-octanediamine (10.0 g, 69.3 mmol), sodium acetate (1.14 g, 13.9 mmol) and acetic anhydride (15.57 g, 153 mmol). The resulting compound was purified by column chromatography (98:2 DCM:EtOAc), and the product obtained as a white solid (5.2 g/25%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952094B2
Source datasetuspto-grants-2015_02
ORD IDord-4f511cb2df1e47858fd401483ba18a01
Source noteuspto-grants-2015_02