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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2251127Generated: October 31, 2026

Potassium Carbonate → 1-{2-[5-(6,7-Dihydro-5H-1,4,8a-triaza-s-indacen-8-yl)-benzofuran-2-yl]-ethyl}-pyrrol idin-3-(S)-ol

https://huagongshe.com/reaction/2251127

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant(3S)-pyrrolidin-3-olHCID 2733874—
Reactantmethanesulfonic acid 2-[5-(6,7-dihydro-5H-1,4,8a-triaza-s-indacen-8-yl)-benzo-furan-2-yl]-ethyl esterHCID 58587719—
SolventAcetonitrileHCID 6342—
Product1-{2-[5-(6,7-Dihydro-5H-1,4,8a-triaza-s-indacen-8-yl)-benzofuran-2-yl]-ethyl}-pyrrol idin-3-(S)-olHCID 58587713—

Reaction Conditions

Temperature70 °C

Reaction Steps

Methanesulfonic acid 2-[5-(6,7-dihydro-5H-1,4,8a-triaza-s-indacen-8-yl)-benzo-furan-2-yl]-ethyl ester (0.085 mmol) described above was dissolved in acetonitrile (2 ml) followed by addition of 3-(S)-hydroxypyrrolidine (0.85 mmol) and potassium carbonate (0.425 mmol) and heated to 70° C. for 24 hours. The reaction was cooled, filtered and concentrated. The residue was purified via preparative HPLC to give 1-{2-[5-(6,7-Dihydro-5H-1,4,8a-triaza-s-indacen-8-yl)-benzofuran-2-yl]-ethyl}-pyrrol idin-3-(S)-ol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07319103B2
Source datasetuspto-grants-2008_01
ORD IDord-9b4d310a12314795a82298e898f35810
Source noteuspto-grants-2008_01