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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1843189Generated: November 2, 2026

Potassium Phosphate, Tribasic → 4-Fluoro-2-(5-(5-(3-(fluoromethyl)-4-methylpiperazin-1-yl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-6-(1-oxo-3,4,6,7,8,9-hexa-hydropyrazino[1,2-a]indol-2(1H)-yl)benzyl acetate

https://huagongshe.com/reaction/1843189

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
ReactantSodium AcetateHCID 517045—
Reactant5-Bromo-3-(5-(3-(fluoromethyl)-4-methylpiperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-oneHCID 58043731—
Reactant2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-4-fluoro-6-(1-oxo-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-2(1H)-yl)benzyl AcetateHCID 58044205—
CatalystBis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)HCID 178418228—
SolventWaterHCID 962—
SolventAcetonitrileHCID 6342—
Product4-Fluoro-2-(5-(5-(3-(fluoromethyl)-4-methylpiperazin-1-yl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-6-(1-oxo-3,4,6,7,8,9-hexa-hydropyrazino[1,2-a]indol-2(1H)-yl)benzyl acetateHCID 5804419148.6%

Reaction Conditions

Temperature110 °C

Reaction Steps

A mixture of 111g (1 g, 2.4 mmol), 4-fluoro-2-(1-oxo-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-2(1H)-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl acetate (1.3 g, 2.68 mmol), PdCl2(dppf) (190 mg, 0.24 mmol), K3PO4 (1 g, 4.8 mmol), and NaOAc (390 mg, 4.8 mmol) in MeCN (15 mL) and H2O (1.5 mL) was heated at 110° C. for 3 h. The solvent was evaporated in vacuo. The residue was purified on silica gel column (DCM: MeOH=50:1) to give 111h (0.8 g, yield 45%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946213B2
Source datasetuspto-grants-2015_02
ORD IDord-b4f9fa2d703e437998e61f04e3c4af0d
Source noteuspto-grants-2015_02