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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2245140Generated: October 30, 2026

Triethylamine → 4-chloro-8-(2,6-difluorophenyl)-2-(4-methyl-1,4'-bipiperidin-1'-yl)pyrido[2,3-d]pyrimidin-7(8H)-one

https://huagongshe.com/reaction/2245140

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant4-Methyl-1,4'-bipiperidineHCID 795715—
Reactant4-chloro-8-(2,6-difluorophenyl)-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-oneHCID 11951514—
SolventDichloromethaneHCID 6344—
Product4-chloro-8-(2,6-difluorophenyl)-2-(4-methyl-1,4'-bipiperidin-1'-yl)pyrido[2,3-d]pyrimidin-7(8H)-oneHCID 1195151951%

Reaction Conditions

Temperature-20 °C

Reaction Steps

To the compound 4-chloro-8-(2,6-difluorophenyl)-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one (1.39 g, 3.9 mmol) in dichloromethane (80 mL) were added 4-methyl-1,4′-bipiperidine (0.75 g, 5.85 mol) and triethylamine (1.03 mL, 11.7 mmol). The mixture was stirred at −20° C. overnight. Filtration followed by concentration, the crude was purified with flash chromatography to afford the title compound (0.904 g, 51%). LC-MS m/z 474 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678801B2
Source datasetuspto-grants-2010_03
ORD IDord-1e9d442c2ce04977afb2aa1fc2bdfb2d
Source noteuspto-grants-2010_03