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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 610206Generated: October 31, 2026

Dimethylformamide → 7-(3-Aminoazetidin-1-yl)-1-(4-amino-5-fluoropyrimidin-2-yl)-8-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

https://huagongshe.com/reaction/610206

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant1-MethylpyrrolidineHCID 8454—
ReactantAzetidin-3-amine--hydrogen chloride (1/2)HCID 13491919—
Reactant1-(4-Amino-5-fluoropyrimidine-2-yl)-8-chloro 6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 22121195—
SolventEthanolHCID 702—
Product7-(3-Aminoazetidin-1-yl)-1-(4-amino-5-fluoropyrimidin-2-yl)-8-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 2212116935.1%

Reaction Conditions

Temperature90 °C

Reaction Steps

To 100 mg of N,N-dimethylformamide were added 25 mg of 1-(4-amino-5-fluoropyrimidin-2-yl)-8-chloro-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 20 mg of 3-aminoazetidine dihydrochloride, and 50 mg of N-methylpyrrolidine, and the mixture was stirred at 90° C. for 1 hour. After adding 0.2 ml of ethanol, the mixture was allowed to cool, and the precipitate was collected by filtration and washed with ethanol and diisopropylether successively to obtain 10 mg of the title compound as a colorless powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05998436
Source datasetuspto-grants-1999_12
ORD IDord-3a29a2f326ce4a398f84912a73d3ffe7
Source noteuspto-grants-1999_12