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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 522520Generated: October 31, 2026

Phthalic Anhydride → HCID 693739, compound

https://huagongshe.com/reaction/522520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhthalic AnhydrideHCID 6811—
Reactant3-AminobenzonitrileHCID 16702—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 693739HCID 69373950.8%

Reaction Conditions

Temperature0 °C

Reaction Steps

Dissolved 3-aminobenzonitrile (1.5 g, 12.7 mmol) in anhydrous dioxane (42 mL) under N2. Added phthalic anhydride (2.54 g, 17.1 mmol). Affixed Dean-Stark trap and refluxed for 16 h. Cooled to 0° C. and filtered off solid (2-((3-cyanophenyl)carbamoyl)benzoic acid). Concentrated filtrate to afford 3-(1,3-dioxoisoindolin-2-yl)benzonitrile (1.6 g) as a white solid. MS, calc'd=248.06. Obsv'd m/z: 248.91 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09334246B2
Source datasetuspto-grants-2016_05
ORD IDord-27b40731abe24ad7becf033884dc82c0
Source noteuspto-grants-2016_05