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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2090299Generated: October 25, 2026

Tetrahydrofuran → 2-[2-Amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-N-(6-methylpyridin-2-yl)-1,2,3,4-tetrahydroisoquinolin-7-amine

https://huagongshe.com/reaction/2090299

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
Reactant2-Amino-6-methylpyridineHCID 15765—
Reactant2-(Dicyclohexylphosphino)biphenylHCID 2734216—
ReactantPotassium tert-butoxideHCID 23665647—
Reactant4-(7-bromo-3,4-dihydroisoquinolin-2(1H)-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-2-amineHCID 46701048—
Solventpalladium(II) acetateHCID 167845—
Product2-[2-Amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-N-(6-methylpyridin-2-yl)-1,2,3,4-tetrahydroisoquinolin-7-amineHCID 46701254—

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of 4-(7-bromo-3,4-dihydroisoquinolin-2(1H)-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine (20.0 mg, 0.0496 mmol), 6-methyl-2-pyridinamine, (8.04 mg, 0.0744 mmol, Aldrich, Cat. No. A75706), a solution of potassium tert-butoxide in tetrahydrofuran (0.0992 mL, 0.0992 mmol, 1.00 M, Aldrich Cat. 328650), palladium acetate (0.445 mg, 0.00198 mmol, Aldrich, Cat. No. 379875), and 2-[dicyclohexylphosphino]biphenyl (0.869 mg, 0.00248 mmol, Aldrich, Cat. No. 638099) in 1,4-dioxane (1 mL) was degassed with nitrogen and then heated at 120° C. for 16 hours. The reaction mixture was cooled to r.t. and concentrated. Then the reaction mixture was dissolved in MeOH and purified by RP-HPLC (pH=10) to afford the desired compound. LCMS(M+H)+: m/z=431.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08436008B2
Source datasetuspto-grants-2013_05
ORD IDord-4faee5b912fc4e5b9e1fe5bebdcfbef2
Source noteuspto-grants-2013_05