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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2356454Generated: November 3, 2026

5-Fluoro-2-(trifluoromethyl)benzoyl chloride → 6-[4-(5-FLUORO-2-TRIFLUOROMETHYLBENZOYL)PIPERAZIN-1-YL]PYRIDAZINE-3-CARBOXYLIC Acid (2-CYCLOBUTYLETHYL)AMIDE

https://huagongshe.com/reaction/2356454

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Fluoro-2-(trifluoromethyl)benzoyl chlorideHCID 2737560—
ReactantN-(2-Cyclobutylethyl)-6-(1-piperazinyl)-3-pyridazinecarboxamideHCID 66849365—
Product6-[4-(5-FLUORO-2-TRIFLUOROMETHYLBENZOYL)PIPERAZIN-1-YL]PYRIDAZINE-3-CARBOXYLIC Acid (2-CYCLOBUTYLETHYL)AMIDEHCID 11294562—

Reaction Steps

Following the procedure of Example 3, making variations only as required to use 5-fluoro-2-(trifluoromethyl)benzoyl chloride in place of isoxazole-5-carbonyl chloride to react with 6-piperazin-1-yl-pyridazine-3-carboxylic acid (2-cyclobutylethyl)amide, the title compound was obtained as a white powder (71% yield). 1H NMR (300 MHz, CDCl3) δ 8.03, 7.83-7.71, 7.20, 7.06, 6.95, 4.01, 3.88-3.67, 3.40-3.28, 2.35, 1.89-1.57. 13C NMR (300 MHz, CDCl3) δ166.0, 162.8, 162.6, 159.9, 145.5, 137.0, 19.7, 127.2, 125.1, 121.5, 116.9, 116.6, 115.0, 114.7, 112.6, 46.4, 44.6, 44.4, 41.3, 37.6, 36.5, 33.7, 28.3, 18.6. MS (ES+) m/z 480.5 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07759348B2
Source datasetuspto-grants-2010_07
ORD IDord-24132dbc24db42c2a932f590a45b261c
Source noteuspto-grants-2010_07