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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 250674Generated: November 3, 2026

Water → HCID 58087281, compound

https://huagongshe.com/reaction/250674

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium HydroxideHCID 14797—
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 57595739HCID 57595739—
SolventDiethylene GlycolHCID 8117—
ProductHCID 58087281HCID 58087281—

Reaction Steps

To (2-fluoro-3-hydroxy-phenyl)-(5-thiophen-2-yl-1H-pyrrolo[2,3-b]pyridin-3-yl)-methanone (P-0521, 50.0 mg, 0.15 mmol) in diethylene glycol (5.0 mL) were added hydrazine hydrate (1.0 mL, 0.020 mol) and potassium hydroxide (200.0 mg, 3.56 mmol). The reaction mixture was heated in a CEM Discovery microwave instrument at 180° C. for 20 minutes, poured into water and extracted with ethyl acetate. The organic layer was washed with brine, dried over anhydrous sodium sulfate and concentrated. The desired compound was isolated by silica gel column chromatography eluting with 5% methanol in methylene chloride to give a white solid (P-0052, 10 mg, 20%). MS (ESI) [M+H+]+=325.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07863288B2
Source datasetuspto-grants-2011_01
ORD IDord-907798c3f16e41cd92a2a8de35bed231
Source noteuspto-grants-2011_01