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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2245179Generated: October 31, 2026

Cyclopentylamine → HCID 57434648, compound

https://huagongshe.com/reaction/2245179

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentylamineHCID 2906—
ReactantTriethylamineHCID 8471—
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 57434648HCID 5743464817.4%

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 cyclopentanamine (8.91 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 (6.0 mg, 17%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678801B2
Source datasetuspto-grants-2010_03
ORD IDord-17524b61f9e448fdb8ab2ff81b1eaa48
Source noteuspto-grants-2010_03