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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 897246Generated: October 30, 2026

Ethanol → HCID 22348058, compound

https://huagongshe.com/reaction/897246

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantAmmonium ChlorideHCID 25517—
ReactantHCID 22348177HCID 22348177—
CatalystIronHCID 23925—
SolventWaterHCID 962—
ProductHCID 22348058HCID 22348058—

Reaction Steps

Iron powder (0.067 g, 1.2 mmol) was added to a suspension of ammonium chloride (0.006 g, 0.12 mmol) and 4-(1-Benzo[1.3]dioxol-5-ylmethyl-piperidin-4-ylamino)-6-chloro-3-nitro-chromen-2-one (0.055 g, 0.12 mmol) in ethanol (5 mL) and water (2 mL) at room temperature. The reaction was heated at reflux for 1 d and then filtered through a pad of wet celite. The filtrate was treated with saturated NaHCO3 (10 mL), extracted with dichloromethane (3×25 mL), dried (Na2SO4), concentrated, purified by RP-HPLC and the amine carried forward to the next step. MS (ESI) m/e 428.0 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06921821B2
Source datasetuspto-grants-2005_07
ORD IDord-aa4e32689ce54181bed65096a90f7e06
Source noteuspto-grants-2005_07