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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 589071Generated: October 31, 2026

N-[(5-nitro-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamide → N-[(5-amino-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamide

https://huagongshe.com/reaction/589071

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-[(5-nitro-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamideHCID 90409716—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
ProductN-[(5-amino-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamideHCID 90409013109.9%

Reaction Steps

N-[(5-Nitro-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamide (0.040 g. 0.122 mmol) was dissolved in ethanol (5 mL) in a Parr bottle and degassed with nitrogen, followed by addition of palladium (10% on carbon) (10 mg, 0.09 mmol) catalyst. The reaction vessel was charged to 50 PSI with hydrogen, and shaken for 2 h. The mixture was then filtered and concentrated to give crude N-[(5-amino-3-pyridin-2-yl-3,4-dihydro-2H-1,4-benzoxazin-3-yl)methyl]acetamide (0.040 g, 80%). LCMS calculated for C16H19N4O2 (M+H)+: m/z=299.1. found: 299.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09227985B2
Source datasetuspto-grants-2016_01
ORD IDord-6646c9ccc9254a52b712a0dc6cb7e2db
Source noteuspto-grants-2016_01