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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2381109Generated: November 4, 2026

4-(4-Fluorophenyl)piperidin-4-ol → HCID 44125832, compound

https://huagongshe.com/reaction/2381109

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4-Fluorophenyl)piperidin-4-olHCID 77497—
ReactantDiisopropylethylamineHCID 81531—
Reactant6-Chloro-3-(trifluoromethyl)-(1,2,4)triazolo(4,3-b)pyridazineHCID 613657—
SolventDimethylformamideHCID 6228—
ProductHCID 44125832HCID 4412583274.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

6-Chloro-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (obtained as described in Monatsh. Chem. 1972, 103, 1591) (251 mg, 1.13 mmol), 4-(4-fluorophenyl)piperidin-4-ol (215 mg, 1.13 mmol) and DIPEA (0.20 mL, 1.13 mmol) in DMF (3 mL) were stirred and heated at 80° C. for 1 hour. The resulting solution was cooled to ambient temperature, and quenched with water (10 mL). The precipitated solid was collected by filtration, washed sequentially with water, acetonitrile and ether and dried under vacuum to give 4-(4-fluorophenyl)-1-[3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidin-4-ol (320 mg, 74%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08258140B2
Source datasetuspto-grants-2012_09
ORD IDord-96ca5ab8194943d2b12139cad8da07f4
Source noteuspto-grants-2012_09