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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1081421Generated: October 30, 2026

2-Methylpiperazine → HCID 14651172, compound

https://huagongshe.com/reaction/1081421

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-MethylpiperazineHCID 66057—
Reactant1-Cyclopropyl-5-methyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 14651258—
SolventAcetonitrileHCID 6342—
ProductHCID 14651172HCID 1465117274.9%

Reaction Steps

A suspension of 0.80 g (2.69 mmol) of 1-cyclopropyl-6,7,8-trifluoro-1,4-dihydro-5-methyl-4-oxo-3-quinolinecarboxylic acid, 1.08 g (10.8 mmol) of 2-methylpiperazine, and 20 mL of acetonitrile was refluxed for 3 hours, then cooled in an ice bath. The precipitate was collected, washed with water and acetonitrile, and dried in vacuo to give 0.76 g of the title compound, mp 187°-188° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05585491
Source datasetuspto-grants-1996_12
ORD IDord-90489ff9bb164876b2c145ea4a584255
Source noteuspto-grants-1996_12