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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 850995Generated: October 26, 2026

2-Hydroxy-6-nitroquinoline-3-carboxylic acid → 6-Amino-2-oxo-1,2-dihydroquinoline-3-carboxylic acid

https://huagongshe.com/reaction/850995

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Hydroxy-6-nitroquinoline-3-carboxylic acidHCID 13106329—
ReactantHCID 178418361HCID 178418361—
CatalystNickelHCID 935—
SolventDimethylformamideHCID 6228—
Product6-Amino-2-oxo-1,2-dihydroquinoline-3-carboxylic acidHCID 13106330—

Reaction Steps

A solution of 3.63 g (14.9 mmol) of 1,2-dihydro-6-nitro-2-oxo-3-quinolinecarboxylic acid and 200 ml of dimethylformamide is hydrogenated using 1 g of Raney nickel catalyst at 52 psi and 23° until the required amount of hydrogen uptake is obtained. The catalyst is filtered off and the filtrate is evaporated to dryness. The residue is treated with ethanol and 3.0 g of the desired product is filtered.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04382089
Source datasetuspto-grants-1983_05
ORD IDord-73a3bd3170bf43e8ba3e0e1af1410cc3
Source noteuspto-grants-1983_05