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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 449390Generated: October 25, 2026

Dichloromethane → tert-butyl 7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-6-fluoro-3,4-dihydroisoquinoline-2(1H)-carboxylate

https://huagongshe.com/reaction/449390

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantPotassium CarbonateHCID 11430—
Reactant4-Chloro-6-(4-methylpiperazin-1-yl)pyrimidin-2-amineHCID 1484519—
Reactanttert-butyl 6-fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylateHCID 59496690—
SolventMethanolHCID 887—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
Producttert-butyl 7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-6-fluoro-3,4-dihydroisoquinoline-2(1H)-carboxylateHCID 59496598—

Reaction Conditions

Temperature105 °C

Reaction Steps

A mixture of 4-chloro-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine (0.045 g, 0.20 mmol), tert-butyl 6-fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate (0.15 g, 0.20 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) complex with dichloromethane (1:1) (0.008 g, 0.01 mmol) and potassium carbonate (0.082 g, 0.60 mmol) in 1,4-dioxane (1 mL) and water (0.5 mL) was heated at 105° C. overnight. After cooled to r.t., the mixture was diluted with MeOH, filtered, and concentrated. The residue was purified by RP-LCMS (pH=10) to afford the desired product. Analytic LCMS (M+H)+: m/z=443.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08481732B2
Source datasetuspto-grants-2013_07
ORD IDord-74255c7c6030498d9c275101ac809aff
Source noteuspto-grants-2013_07