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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 870097Generated: October 27, 2026

Phthalimide potassium salt → (E)-3-{1-[4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzenesulfonyl]-1H-pyrrol-3-yl}-acrylic acid tert-butyl ester

https://huagongshe.com/reaction/870097

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhthalimide potassium saltHCID 24194345—
Reactant(E)-3-[1-(4-bromomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl esterHCID 66646385—
SolventAcetoneHCID 180—
Product(E)-3-{1-[4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzenesulfonyl]-1H-pyrrol-3-yl}-acrylic acid tert-butyl esterHCID 66646417—

Reaction Steps

10 g (E)-3-[1-(4-bromomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl ester (compound D2) is dissolved in acetone and 6.5 g potassium phthalimide is added and the mixture is stirred for 17.5 h. The suspension is filtered and the product is purified by crystallization.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08969401B2
Source datasetuspto-grants-2015_03
ORD IDord-bf5496ae70934799893d79031e4f4769
Source noteuspto-grants-2015_03