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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 356206Generated: October 29, 2026

Gamma-Aminobutyric Acid → 4-Phthalimidobutyric acid

https://huagongshe.com/reaction/356206

Reaction equation

Participants

RoleNameHCIDCharge
ReactantGamma-Aminobutyric AcidHCID 119—
ReactantPhthalic AnhydrideHCID 6811—
Product4-Phthalimidobutyric acidHCID 1841190%

Reaction Conditions

Temperature140 °C

Reaction Steps

A mixture of crushed phthalic anhydride (18.53 g, 0.125 mol) and 4-aminobutyric acid was heated for 30 minutes at 140° C. The reaction mixture was cooled, and resulting precipitate was recrystallized from methanol-water to give 26.26 g (yield 90%) of the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05834463
Source datasetuspto-grants-1998_11
ORD IDord-a9b28bdf1deb4673ba4437399af012e6
Source noteuspto-grants-1998_11