Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 723930Generated: October 25, 2026

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

https://huagongshe.com/reaction/723930

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
ReactantHCID 45095618HCID 45095618—
CatalystIronHCID 23925—
SolventEthanolHCID 702—
SolventWaterHCID 962—
Product6-amino-3-ethyl-4-fluoro-1,3-benzoxazol-2(3H)-oneHCID 68490571—

Reaction Steps

Prepared from 3-ethyl-4-fluoro-6-nitro-1,3-benzoxazol-2(3H)-one (Step 1, 1.05 g, 4.90 mmol), ammonium chloride (2.62 g, 49 mmol) and iron powder (1.09 g, 19.6 mmol) in ethanol (30 ml) and water (15 ml) according to the method of EXAMPLE 86, Step 7 (0.95 g, 99%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07141588B2
Source datasetuspto-grants-2006_11
ORD IDord-b1e027837eee4e939171e5e333bd359e
Source noteuspto-grants-2006_11