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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2245175Generated: October 30, 2026

Triethylamine → HCID 59212670, compound

https://huagongshe.com/reaction/2245175

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant4-FluoroanilineHCID 9731—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Reactant3-[2-{[3-(Diethylamino)propyl)amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]benzoic acidHCID 57434643—
SolventDimethylformamideHCID 6228—
ProductHCID 59212670HCID 5921267055.5%

Reaction Steps

To the compound 3-[2-{[3-(diethylamino)propyl]amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]benzoic acid (30 mg, 0.06 mmol) in DMF (0.5 mL) were added HBTU (27 mg, 0.072 mmol), triethylamine (16.9 uL, 0.12 mmol) and 4-fluoroaniline (8.64 uL, 0.09 mmol). The mixture was stirred at rt overnight. Separation by HPLC with TFA, followed by neutralization with SPE amine cartridge afforded the title compound (20 mg, 55.5%). LC-MS m/z 601 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678801B2
Source datasetuspto-grants-2010_03
ORD IDord-c0ce006c5c8a481abc2cc587d7d1447d
Source noteuspto-grants-2010_03