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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 80227Generated: October 27, 2026

Ethyl Acetate → N-(4-Methyl-pyridin-3-yl)-benzene-1,2-diamine

https://huagongshe.com/reaction/80227

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant(4-Methyl-pyridin-3-yl)-(2-nitro-phenyl)-amineHCID 12361028—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
SolventHexaneHCID 8058—
ProductN-(4-Methyl-pyridin-3-yl)-benzene-1,2-diamineHCID 12361029100.6%

Reaction Steps

10% Pd/C (100 mg) was charged portion wise to a solution of (4-methyl-pyridin-3-yl)-(2-nitro-phenyl)-amine (I-171a: 600 mg, 2.62 mmol) in methanol (15 mL) under nitrogen atmosphere. The resulting mixture was stirred at room temperature under hydrogen atmosphere for 2 hours. The reaction was monitored by TLC (80% ethyl acetate in hexane). The reaction mixture was filtered and the filtrate was concentrated under reduced pressure to afford 525 mg of the product (98.91% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE045173E1
Source datasetuspto-grants-2014_09
ORD IDord-4bf8c7281929497089c44dd6fc354e6a
Source noteuspto-grants-2014_09