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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 347546Generated: October 30, 2026

Methanol → HCID 21081506, compound

https://huagongshe.com/reaction/347546

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantTetrahydrofuranHCID 8028—
ReactantAmmonium ChlorideHCID 25517—
ReactantHCID 21081572HCID 21081572—
CatalystZincHCID 23994—
SolventEthyl AcetateHCID 8857—
ProductHCID 21081506HCID 21081506—

Reaction Steps

To a solution of 2-(dimethylamino)-1-(4-(2-fluoro-4-nitrophenoxy)-1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (80 mg, 0.22 mmol) in a mixed solvent (5 mL of THF and 5 mL of MeOH) were added ammonium chloride (64.2 mg, 1.2 mmol, EMD) and Zn dust (78.4 mg, 1.2 mmol, Aldrich). The reaction mixture was stirred at room temperature overnight, diluted with 30 mL of EtOAc and filtered through a pad of Celite®. The filtrate was concentrated in vacuo and the resulting residue was purified by preparative HPLC. The desired fractions were combined, neutralized with saturated aq. NaHCO3 solution, and concentrated in vacuo. The solid that formed was collected by filtration (51 mg, 71%). MS(ESI+) m/z 328.1 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07173031B2
Source datasetuspto-grants-2007_02
ORD IDord-71445263a7634ce981c784d7689481ae
Source noteuspto-grants-2007_02