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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2250280Generated: October 30, 2026

3-(1-Benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dione → 8-Fluoro-3-(piperidin-4-yl)quinazoline-2,4(1H,3H)-dione

https://huagongshe.com/reaction/2250280

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(1-Benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dioneHCID 21102155—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product8-Fluoro-3-(piperidin-4-yl)quinazoline-2,4(1H,3H)-dioneHCID 21102218—

Reaction Steps

A flask containing a solution of 3-(1-benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dione (75.0 mg, 0.21 mmol) and palladium on charcoal (8.00 mg, 0.035 equiv) in methanol (3.00 mL) was flushed first with nitrogen, then hydrogen. The reaction was stirred under an atmosphere of hydrogen overnight. The reaction was flushed with nitrogen, filtered through celite, and concentrated to give 53 mg (95%) as a white solid which was used without purification. Mass spec.: 264.25 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07314883B2
Source datasetuspto-grants-2008_01
ORD IDord-67a6d6a8b2f648efa2923afa4eec7570
Source noteuspto-grants-2008_01