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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1266442Generated: November 2, 2026

5-Aminophthalide → 6-(4,4-Dimethyl-2-oxo-5-hexenoylamino)-phthalide

https://huagongshe.com/reaction/1266442

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-AminophthalideHCID 720669—
Reactant4,4-Dimethyl-2-oxohex-5-enoic acidHCID 18551194—
Reactant4-Bromo-5-(4-methyl-2-oxo-4-phenyl-valeroylamino)-phthalideHCID 18551202—
Product6-(4,4-Dimethyl-2-oxo-5-hexenoylamino)-phthalideHCID 18551267—

Reaction Steps

was obtained analogously to the process that is described for 4-bromo-5-(4-methyl-2-oxo-4-phenyl-valeroylamino)-phthalide from 5-aminophthalide and 4,4-dimethyl-2-oxo-5-hexenoic acid, melting point 103-104° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06548534B2
Source datasetuspto-grants-2003_04
ORD IDord-46947d7589104a5b93597a83f8859d20
Source noteuspto-grants-2003_04