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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2090425Generated: October 26, 2026

1,4-Dioxane → 3-(4-{2-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3-methyl-1,2,3,4-tetrahydroisoquinolin-7-yl}-1H-pyrazol-1-yl)butanenitrile

https://huagongshe.com/reaction/2090425

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-DioxaneHCID 31275—
ReactantSodium BicarbonateHCID 516892—
ReactantHCID 59402310HCID 59402310—
Reactant4-(7-bromo-3-methyl-3,4-dihydroisoquinolin-2(1H)-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-2-amineHCID 59402317—
CatalystHCID 178418397HCID 178418397—
SolventMethanolHCID 887—
SolventWaterHCID 962—
Product3-(4-{2-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3-methyl-1,2,3,4-tetrahydroisoquinolin-7-yl}-1H-pyrazol-1-yl)butanenitrileHCID 5940236741.3%

Reaction Conditions

Temperature90 °C

Reaction Steps

A mixture of 4-(7-bromo-3-methyl-3,4-dihydroisoquinolin-2(1H)-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine (10 mg, 0.02 mmol; Peak 1, Example 49, Step 7), 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]butanenitrile (7.5 mg, 0.029 mmol), tetrakis(triphenylphosphine)palladium(0) (1.4 mg, 0.0012 mmol), and sodium bicarbonate (6.0 mg, 0.072 mmol) in a solution of 1,4-dioxane (0.2 mL) and water (0.1 mL) in a reaction vial was stirred at 90° C. overnight. After cooling it was diluted with methanol. After filtration the filtrate was purified with RP-HPLC (pH=10) to afford the desired product (3.9 mg). LCMS (M+H)+: m/z=472.3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08436008B2
Source datasetuspto-grants-2013_05
ORD IDord-2540eeb2800b4a71822eb03406a0bf99
Source noteuspto-grants-2013_05