Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1085656Generated: October 30, 2026

Gamma-Aminobutyric Acid → 4-Phthalimidobutyric acid

https://huagongshe.com/reaction/1085656

Reaction equation

Participants

RoleNameHCIDCharge
ReactantGamma-Aminobutyric AcidHCID 119—
ReactantPhthalic AnhydrideHCID 6811—
Product4-Phthalimidobutyric acidHCID 1841188.5%

Reaction Steps

2 g of gamma-aminobutyric acid is reacted with an equimolar amount (2.87 g) of phthalic anhydride by dry melting at 150° C. The reaction product is crystallized from ethanol/water (1/2) so yielding 4 g of gamma-phthalimidobutyric acid with melting point 120°-123° C. and 88% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05010204
Source datasetuspto-grants-1991_04
ORD IDord-f1511dc1a95e45f289be570fac3d039f
Source noteuspto-grants-1991_04