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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2423244Generated: October 26, 2026

Ammonium Chloride → Benzyl 2,3-diaminobenzoate

https://huagongshe.com/reaction/2423244

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
ReactantBenzyl 2-amino-3-nitrobenzoateHCID 67244884—
CatalystIronHCID 23925—
SolventWater ethanolHCID 19096565—
ProductBenzyl 2,3-diaminobenzoateHCID 5778062997.6%

Reaction Steps

Iron powder (0.78 g) and ammonium chloride (0.15 g) were added in that order to an ethanol/water (4/1) solution (40 mL) of benzyl 2-amino-3-nitrobenzoate (0.38 g), and this was heated under reflux for 20 minutes with vigorous stirring. The insoluble matter was separated by filtration while hot, and the filtrate was evaporated under reduced pressure to about ⅕, and then aqueous sodium hydrogencarbonate solution was added, followed by extraction with ethyl acetate. The organic layer was washed with water, dried, and evaporated under reduced pressure to obtain benzyl 2,3-diaminobenzoate (0.33 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07960562B2
Source datasetuspto-grants-2011_06
ORD IDord-ad1e158b50164137bff08822e6bae64b
Source noteuspto-grants-2011_06