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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1801890Generated: November 1, 2026

Methanol → 3-(2-(4-fluorobenzoyl)quinazolin-4-ylamino)-1H-pyrazole-5-carbonitrile

https://huagongshe.com/reaction/1801890

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
Reactant5-Amino-1H-pyrazole-3-carbonitrileHCID 21180574—
Reactant(4-Chloroquinazolin-2-yl)(4-fluorophenyl)methanoneHCID 86649048—
SolventDimethylformamideHCID 6228—
Product3-(2-(4-fluorobenzoyl)quinazolin-4-ylamino)-1H-pyrazole-5-carbonitrileHCID 5684854623.5%

Reaction Steps

A mixture of (4-chloroquinazoline-2-yl)(4-fluorophenyl)methanone from Example 3 (580 mg, 2.02 mmol), and 3-amino-1H-pyrazole-5-carbonitrile (218 mg, 2.02 mmol) in DMF (5 mL) was stirred at rt overnight. MeOH (10 mL) was then added to this mixture, and the precipitate was filtered washed with MeOH, and dried to afford 3-(2-(4-fluorobenzoyl)quinazolin-4-ylamino)-1H-pyrazole-5-carbonitrile (170 mg, 23.4%) 1H NMR (300 MHz, DMSO-d6) δ 6.89 (s, 1H), 7.40 (d, 2H), 7.83 (s, 1H), 7.98 (m, 2H), 8.11 (m, 2H), 8.56 (s, 1H), 11.18 (s, 1H), 13.84 (s, 1H); LC-MS (ESI) m/z 359 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08349851B2
Source datasetuspto-grants-2013_01
ORD IDord-9a55bdfee0dd4c9fb8ece4cdff42b268
Source noteuspto-grants-2013_01