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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 896211Generated: October 26, 2026

Ammonium Chloride → 6-amino-4-fluoro-3-isopropyl-1,3-benzoxazol-2(3H)-one

https://huagongshe.com/reaction/896211

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
ReactantHCID 68487872HCID 68487872—
CatalystIronHCID 23925—
SolventEthanolHCID 702—
SolventWaterHCID 962—
Product6-amino-4-fluoro-3-isopropyl-1,3-benzoxazol-2(3H)-oneHCID 68489676—

Reaction Steps

Prepared from 4-fluoro-3-isopropyl-6-nitro-1,3-benzoxazol-2(3H)-one (Step 1, 0.87 g, 3.64 mmol), ammonium chloride (1.95 g, 36.4 mmol) and iron powder (0.81 g, 14.6 mmol) in ethanol (30 ml) and water (15 ml) according to the method of EXAMPLE 86, Step 7 (0.77 g, 99%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06919329B2
Source datasetuspto-grants-2005_07
ORD IDord-ef6693afce554bc98254386195eb98e6
Source noteuspto-grants-2005_07