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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846986Generated: October 27, 2026

Acetic Anhydride → 1,1'-(benzene-1,3-diyldimethanediyl)bis(1H-pyrrole-2,5-dione)

https://huagongshe.com/reaction/1846986

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantMaleic AnhydrideHCID 7923—
Reactant1,3-BenzenedimethanamineHCID 15133—
ReactantSodium AcetateHCID 517045—
Product1,1'-(benzene-1,3-diyldimethanediyl)bis(1H-pyrrole-2,5-dione)HCID 22712661—

Reaction Steps

The general procedure was carried out using maleic anhydride (20.59 g, 210 mmol), m-xylylenediamine (13.62 g, 100 mmol), sodium acetate (1.64 g, 20 mmol), and acetic anhydride (22.46 g, 220 mmol). The resulting compound was purified by column chromatography (97:3 DCM:EtOAc), and the product obtained as a white solid (6.51 g/22%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952094B2
Source datasetuspto-grants-2015_02
ORD IDord-caf7cca73ca44c8bba8a9b2850773d9d
Source noteuspto-grants-2015_02